remove ioremap_nocache and devm_ioremap_nocache

ioremap has provided non-cached semantics by default since the Linux 2.6
days, so remove the additional ioremap_nocache interface.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Documentation/driver-api/driver-model/devres.rst

@@ -313,7 +313,6 @@ IOMAP
   devm_ioport_map()
   devm_ioport_unmap()
   devm_ioremap()
-  devm_ioremap_nocache()
   devm_ioremap_uc()
   devm_ioremap_wc()
   devm_ioremap_resource() : checks resource, requests memory region, ioremaps

Documentation/sound/kernel-api/writing-an-alsa-driver.rst

@@ -1058,7 +1058,7 @@ and the allocation would be like below:
           return err;
   }
   chip->iobase_phys = pci_resource_start(pci, 0);
-  chip->iobase_virt = ioremap_nocache(chip->iobase_phys,
+  chip->iobase_virt = ioremap(chip->iobase_phys,
                                       pci_resource_len(pci, 0));
 
 and the corresponding destructor would be:

Documentation/x86/pat.rst

@@ -44,8 +44,6 @@ address range to avoid any aliasing.
 +------------------------+----------+--------------+------------------+
 | ioremap_uc             |    --    |    UC        |       UC         |
 +------------------------+----------+--------------+------------------+
-| ioremap_nocache        |    --    |    UC-       |       UC-        |
-+------------------------+----------+--------------+------------------+
 | ioremap_wc             |    --    |    --        |       WC         |
 +------------------------+----------+--------------+------------------+
 | ioremap_wt             |    --    |    --        |       WT         |

arch/alpha/include/asm/io.h

@@ -283,14 +283,8 @@ static inline void __iomem *ioremap(unsigned long port, unsigned long size)
 	return IO_CONCAT(__IO_PREFIX,ioremap) (port, size);
 }
 
-static inline void __iomem * ioremap_nocache(unsigned long offset,
+#define ioremap_wc ioremap
-					     unsigned long size)
+#define ioremap_uc ioremap
-{
-	return ioremap(offset, size);
-}
-
-#define ioremap_wc ioremap_nocache
-#define ioremap_uc ioremap_nocache
 
 static inline void iounmap(volatile void __iomem *addr)
 {

arch/arm/include/asm/io.h

@@ -356,7 +356,6 @@ static inline void memcpy_toio(volatile void __iomem *to, const void *from,
  *
  * Function		Memory type	Cacheability	Cache hint
  * ioremap()		Device		n/a		n/a
- * ioremap_nocache()	Device		n/a		n/a
  * ioremap_cache()	Normal		Writeback	Read allocate
  * ioremap_wc()		Normal		Non-cacheable	n/a
  * ioremap_wt()		Normal		Non-cacheable	n/a
@@ -368,13 +367,6 @@ static inline void memcpy_toio(volatile void __iomem *to, const void *from,
  * - unaligned accesses are "unpredictable"
  * - writes may be delayed before they hit the endpoint device
  *
- * ioremap_nocache() is the same as ioremap() as there are too many device
- * drivers using this for device registers, and documentation which tells
- * people to use it for such for this to be any different.  This is not a
- * safe fallback for memory-like mappings, or memory regions where the
- * compiler may generate unaligned accesses - eg, via inlining its own
- * memcpy.
- *
  * All normal memory mappings have the following properties:
  * - reads can be repeated with no side effects
  * - repeated reads return the last value written

arch/arm/mach-bcm/platsmp.c

@@ -105,7 +105,7 @@ static int nsp_write_lut(unsigned int cpu)
 	if (!secondary_boot_addr)
 		return -EINVAL;
 
-	sku_rom_lut = ioremap_nocache((phys_addr_t)secondary_boot_addr,
+	sku_rom_lut = ioremap((phys_addr_t)secondary_boot_addr,
 				      sizeof(phys_addr_t));
 	if (!sku_rom_lut) {
 		pr_warn("unable to ioremap SKU-ROM LUT register for cpu %u\n", cpu);
@@ -174,7 +174,7 @@ static int kona_boot_secondary(unsigned int cpu, struct task_struct *idle)
 	if (!secondary_boot_addr)
 		return -EINVAL;
 
-	boot_reg = ioremap_nocache((phys_addr_t)secondary_boot_addr,
+	boot_reg = ioremap((phys_addr_t)secondary_boot_addr,
 				   sizeof(phys_addr_t));
 	if (!boot_reg) {
 		pr_err("unable to map boot register for cpu %u\n", cpu_id);

arch/arm/mach-davinci/devices.c

@@ -34,7 +34,7 @@ void __iomem  *davinci_sysmod_base;
 
 void davinci_map_sysmod(void)
 {
-	davinci_sysmod_base = ioremap_nocache(DAVINCI_SYSTEM_MODULE_BASE,
+	davinci_sysmod_base = ioremap(DAVINCI_SYSTEM_MODULE_BASE,
 					      0x800);
 	/*
 	 * Throw a bug since a lot of board initialization code depends

arch/arm/mach-pxa/magician.c

@@ -1008,7 +1008,7 @@ static void __init magician_init(void)
 	pxa_set_udc_info(&magician_udc_info);
 
 	/* Check LCD type we have */
-	cpld = ioremap_nocache(PXA_CS3_PHYS, 0x1000);
+	cpld = ioremap(PXA_CS3_PHYS, 0x1000);
 	if (cpld) {
 		u8 board_id = __raw_readb(cpld + 0x14);
 

arch/arm/mach-shmobile/platsmp-apmu.c

@@ -189,7 +189,7 @@ static void apmu_init_cpu(struct resource *res, int cpu, int bit)
 	if ((cpu >= ARRAY_SIZE(apmu_cpus)) || apmu_cpus[cpu].iomem)
 		return;
 
-	apmu_cpus[cpu].iomem = ioremap_nocache(res->start, resource_size(res));
+	apmu_cpus[cpu].iomem = ioremap(res->start, resource_size(res));
 	apmu_cpus[cpu].bit = bit;
 
 	pr_debug("apmu ioremap %d %d %pr\n", cpu, bit, res);

arch/arm/mach-shmobile/pm-rcar-gen2.c

@@ -103,7 +103,7 @@ map:
 	iounmap(p);
 
 	/* setup reset vectors */
-	p = ioremap_nocache(RST, 0x63);
+	p = ioremap(RST, 0x63);
 	bar = phys_to_sbar(res.start);
 	if (has_a15) {
 		writel_relaxed(bar, p + CA15BAR);

arch/arm/mach-shmobile/setup-r8a7740.c

@@ -28,7 +28,7 @@ static void __init r8a7740_meram_workaround(void)
 {
 	void __iomem *reg;
 
-	reg = ioremap_nocache(MEBUFCNTR, 4);
+	reg = ioremap(MEBUFCNTR, 4);
 	if (reg) {
 		iowrite32(0x01600164, reg);
 		iounmap(reg);
@@ -37,9 +37,9 @@ static void __init r8a7740_meram_workaround(void)
 
 static void __init r8a7740_init_irq_of(void)
 {
-	void __iomem *intc_prio_base = ioremap_nocache(0xe6900010, 0x10);
+	void __iomem *intc_prio_base = ioremap(0xe6900010, 0x10);
-	void __iomem *intc_msk_base = ioremap_nocache(0xe6900040, 0x10);
+	void __iomem *intc_msk_base = ioremap(0xe6900040, 0x10);
-	void __iomem *pfc_inta_ctrl = ioremap_nocache(0xe605807c, 0x4);
+	void __iomem *pfc_inta_ctrl = ioremap(0xe605807c, 0x4);
 
 	irqchip_init();
 

arch/arm/mach-shmobile/setup-r8a7778.c

@@ -22,7 +22,7 @@
 
 static void __init r8a7778_init_irq_dt(void)
 {
-	void __iomem *base = ioremap_nocache(0xfe700000, 0x00100000);
+	void __iomem *base = ioremap(0xfe700000, 0x00100000);
 
 	BUG_ON(!base);
 

arch/hexagon/include/asm/io.h

@@ -172,7 +172,6 @@ static inline void writel(u32 data, volatile void __iomem *addr)
 #define writel_relaxed __raw_writel
 
 void __iomem *ioremap(unsigned long phys_addr, unsigned long size);
-#define ioremap_nocache ioremap
 #define ioremap_uc(X, Y) ioremap((X), (Y))
 
 

arch/ia64/include/asm/vga.h

@@ -18,7 +18,7 @@
 extern unsigned long vga_console_iobase;
 extern unsigned long vga_console_membase;
 
-#define VGA_MAP_MEM(x,s)	((unsigned long) ioremap_nocache(vga_console_membase + (x), s))
+#define VGA_MAP_MEM(x,s)	((unsigned long) ioremap(vga_console_membase + (x), s))
 
 #define vga_readb(x)	(*(x))
 #define vga_writeb(x,y)	(*(y) = (x))

arch/ia64/kernel/cyclone.c

@@ -50,7 +50,7 @@ int __init init_cyclone_clock(void)
 
 	/* find base address */
 	offset = (CYCLONE_CBAR_ADDR);
-	reg = ioremap_nocache(offset, sizeof(u64));
+	reg = ioremap(offset, sizeof(u64));
 	if(!reg){
 		printk(KERN_ERR "Summit chipset: Could not find valid CBAR"
 				" register.\n");
@@ -68,7 +68,7 @@ int __init init_cyclone_clock(void)
 
 	/* setup PMCC */
 	offset = (base + CYCLONE_PMCC_OFFSET);
-	reg = ioremap_nocache(offset, sizeof(u64));
+	reg = ioremap(offset, sizeof(u64));
 	if(!reg){
 		printk(KERN_ERR "Summit chipset: Could not find valid PMCC"
 				" register.\n");
@@ -80,7 +80,7 @@ int __init init_cyclone_clock(void)
 
 	/* setup MPCS */
 	offset = (base + CYCLONE_MPCS_OFFSET);
-	reg = ioremap_nocache(offset, sizeof(u64));
+	reg = ioremap(offset, sizeof(u64));
 	if(!reg){
 		printk(KERN_ERR "Summit chipset: Could not find valid MPCS"
 				" register.\n");
@@ -92,7 +92,7 @@ int __init init_cyclone_clock(void)
 
 	/* map in cyclone_timer */
 	offset = (base + CYCLONE_MPMC_OFFSET);
-	cyclone_timer = ioremap_nocache(offset, sizeof(u32));
+	cyclone_timer = ioremap(offset, sizeof(u32));
 	if(!cyclone_timer){
 		printk(KERN_ERR "Summit chipset: Could not find valid MPMC"
 				" register.\n");

arch/m68k/include/asm/kmap.h

@@ -27,7 +27,6 @@ static inline void __iomem *ioremap(unsigned long physaddr, unsigned long size)
 	return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
 }
 
-#define ioremap_nocache ioremap
 #define ioremap_uc ioremap
 #define ioremap_wt ioremap_wt
 static inline void __iomem *ioremap_wt(unsigned long physaddr,

arch/mips/ar7/clock.c

@@ -236,9 +236,9 @@ static void tnetd7300_set_clock(u32 shift, struct tnetd7300_clock *clock,
 
 static void __init tnetd7300_init_clocks(void)
 {
-	u32 *bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4);
+	u32 *bootcr = (u32 *)ioremap(AR7_REGS_DCL, 4);
 	struct tnetd7300_clocks *clocks =
-					ioremap_nocache(UR8_REGS_CLOCKS,
+					ioremap(UR8_REGS_CLOCKS,
 					sizeof(struct tnetd7300_clocks));
 
 	bus_clk.rate = tnetd7300_get_clock(BUS_PLL_SOURCE_SHIFT,
@@ -320,9 +320,9 @@ static int tnetd7200_get_clock_base(int clock_id, u32 *bootcr)
 
 static void __init tnetd7200_init_clocks(void)
 {
-	u32 *bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4);
+	u32 *bootcr = (u32 *)ioremap(AR7_REGS_DCL, 4);
 	struct tnetd7200_clocks *clocks =
-					ioremap_nocache(AR7_REGS_CLOCKS,
+					ioremap(AR7_REGS_CLOCKS,
 					sizeof(struct tnetd7200_clocks));
 	int cpu_base, cpu_mul, cpu_prediv, cpu_postdiv;
 	int dsp_base, dsp_mul, dsp_prediv, dsp_postdiv;

arch/mips/ar7/gpio.c

@@ -308,7 +308,7 @@ int __init ar7_gpio_init(void)
 		size = 0x1f;
 	}
 
-	gpch->regs = ioremap_nocache(AR7_REGS_GPIO, size);
+	gpch->regs = ioremap(AR7_REGS_GPIO, size);
 	if (!gpch->regs) {
 		printk(KERN_ERR "%s: failed to ioremap regs\n",
 					gpch->chip.label);

arch/mips/ar7/platform.c

@@ -702,7 +702,7 @@ static int __init ar7_register_devices(void)
 		pr_warn("unable to register usb slave: %d\n", res);
 
 	/* Register watchdog only if enabled in hardware */
-	bootcr = ioremap_nocache(AR7_REGS_DCL, 4);
+	bootcr = ioremap(AR7_REGS_DCL, 4);
 	val = readl(bootcr);
 	iounmap(bootcr);
 	if (val & AR7_WDT_HW_ENA) {

arch/mips/ath25/ar2315.c

@@ -262,7 +262,7 @@ void __init ar2315_plat_mem_setup(void)
 	u32 config;
 
 	/* Detect memory size */
-	sdram_base = ioremap_nocache(AR2315_SDRAMCTL_BASE,
+	sdram_base = ioremap(AR2315_SDRAMCTL_BASE,
 				     AR2315_SDRAMCTL_SIZE);
 	memcfg = __raw_readl(sdram_base + AR2315_MEM_CFG);
 	memsize   = 1 + ATH25_REG_MS(memcfg, AR2315_MEM_CFG_DATA_WIDTH);
@@ -272,7 +272,7 @@ void __init ar2315_plat_mem_setup(void)
 	add_memory_region(0, memsize, BOOT_MEM_RAM);
 	iounmap(sdram_base);
 
-	ar2315_rst_base = ioremap_nocache(AR2315_RST_BASE, AR2315_RST_SIZE);
+	ar2315_rst_base = ioremap(AR2315_RST_BASE, AR2315_RST_SIZE);
 
 	/* Detect the hardware based on the device ID */
 	devid = ar2315_rst_reg_read(AR2315_SREV) & AR2315_REV_CHIP;

arch/mips/ath25/ar5312.c

@@ -185,7 +185,7 @@ static void __init ar5312_flash_init(void)
 	void __iomem *flashctl_base;
 	u32 ctl;
 
-	flashctl_base = ioremap_nocache(AR5312_FLASHCTL_BASE,
+	flashctl_base = ioremap(AR5312_FLASHCTL_BASE,
 					AR5312_FLASHCTL_SIZE);
 
 	ctl = __raw_readl(flashctl_base + AR5312_FLASHCTL0);
@@ -358,7 +358,7 @@ void __init ar5312_plat_mem_setup(void)
 	u32 devid;
 
 	/* Detect memory size */
-	sdram_base = ioremap_nocache(AR5312_SDRAMCTL_BASE,
+	sdram_base = ioremap(AR5312_SDRAMCTL_BASE,
 				     AR5312_SDRAMCTL_SIZE);
 	memcfg = __raw_readl(sdram_base + AR5312_MEM_CFG1);
 	bank0_ac = ATH25_REG_MS(memcfg, AR5312_MEM_CFG1_AC0);
@@ -369,7 +369,7 @@ void __init ar5312_plat_mem_setup(void)
 	add_memory_region(0, memsize, BOOT_MEM_RAM);
 	iounmap(sdram_base);
 
-	ar5312_rst_base = ioremap_nocache(AR5312_RST_BASE, AR5312_RST_SIZE);
+	ar5312_rst_base = ioremap(AR5312_RST_BASE, AR5312_RST_SIZE);
 
 	devid = ar5312_rst_reg_read(AR5312_REV);
 	devid >>= AR5312_REV_WMAC_MIN_S;

arch/mips/ath25/board.c

@@ -111,7 +111,7 @@ int __init ath25_find_config(phys_addr_t base, unsigned long size)
 	u8 *mac_addr;
 	u32 offset;
 
-	flash_base = ioremap_nocache(base, size);
+	flash_base = ioremap(base, size);
 	flash_limit = flash_base + size;
 
 	ath25_board.config = NULL;

arch/mips/ath79/common.c

@@ -41,7 +41,7 @@ static void __iomem *ath79_ddr_pci_win_base;
 
 void ath79_ddr_ctrl_init(void)
 {
-	ath79_ddr_base = ioremap_nocache(AR71XX_DDR_CTRL_BASE,
+	ath79_ddr_base = ioremap(AR71XX_DDR_CTRL_BASE,
 					 AR71XX_DDR_CTRL_SIZE);
 	if (soc_is_ar913x() || soc_is_ar724x() || soc_is_ar933x()) {
 		ath79_ddr_wb_flush_base = ath79_ddr_base + 0x7c;

arch/mips/ath79/setup.c

@@ -226,9 +226,9 @@ void __init plat_mem_setup(void)
 	else if (fw_passed_dtb)
 		__dt_setup_arch((void *)KSEG0ADDR(fw_passed_dtb));
 
-	ath79_reset_base = ioremap_nocache(AR71XX_RESET_BASE,
+	ath79_reset_base = ioremap(AR71XX_RESET_BASE,
 					   AR71XX_RESET_SIZE);
-	ath79_pll_base = ioremap_nocache(AR71XX_PLL_BASE,
+	ath79_pll_base = ioremap(AR71XX_PLL_BASE,
 					 AR71XX_PLL_SIZE);
 	ath79_detect_sys_type();
 	ath79_ddr_ctrl_init();

arch/mips/cavium-octeon/setup.c

@@ -357,7 +357,7 @@ static void octeon_write_lcd(const char *s)
 {
 	if (octeon_bootinfo->led_display_base_addr) {
 		void __iomem *lcd_address =
-			ioremap_nocache(octeon_bootinfo->led_display_base_addr,
+			ioremap(octeon_bootinfo->led_display_base_addr,
 					8);
 		int i;
 		for (i = 0; i < 8; i++, s++) {

arch/mips/generic/board-ocelot.c

@@ -51,7 +51,7 @@ static void __init ocelot_earlyprintk_init(void)
 {
 	void __iomem *uart_base;
 
-	uart_base = ioremap_nocache(UART_UART, 0x20);
+	uart_base = ioremap(UART_UART, 0x20);
 	setup_8250_early_printk_port((unsigned long)uart_base, 2, 50000);
 }
 

arch/mips/include/asm/io.h

@@ -227,7 +227,6 @@ static inline void __iomem *ioremap_prot(phys_addr_t offset,
  */
 #define ioremap(offset, size)						\
 	__ioremap_mode((offset), (size), _CACHE_UNCACHED)
-#define ioremap_nocache		ioremap
 #define ioremap_uc		ioremap
 
 /*

arch/mips/kernel/mips-cm.c

@@ -194,7 +194,7 @@ static void mips_cm_probe_l2sync(void)
 	write_gcr_l2_only_sync_base(addr | CM_GCR_L2_ONLY_SYNC_BASE_SYNCEN);
 
 	/* Map the region */
-	mips_cm_l2sync_base = ioremap_nocache(addr, MIPS_CM_L2SYNC_SIZE);
+	mips_cm_l2sync_base = ioremap(addr, MIPS_CM_L2SYNC_SIZE);
 }
 
 int mips_cm_probe(void)
@@ -215,7 +215,7 @@ int mips_cm_probe(void)
 	if (!addr)
 		return -ENODEV;
 
-	mips_gcr_base = ioremap_nocache(addr, MIPS_CM_GCR_SIZE);
+	mips_gcr_base = ioremap(addr, MIPS_CM_GCR_SIZE);
 	if (!mips_gcr_base)
 		return -ENXIO;
 

arch/mips/kernel/mips-cpc.c

@@ -78,7 +78,7 @@ int mips_cpc_probe(void)
 	if (!addr)
 		return -ENODEV;
 
-	mips_cpc_base = ioremap_nocache(addr, 0x8000);
+	mips_cpc_base = ioremap(addr, 0x8000);
 	if (!mips_cpc_base)
 		return -ENXIO;
 

arch/mips/lantiq/falcon/sysctrl.c

@@ -221,16 +221,16 @@ void __init ltq_soc_init(void)
 				res_sys[2].name) < 0))
 		pr_err("Failed to request core resources");
 
-	status_membase = ioremap_nocache(res_status.start,
+	status_membase = ioremap(res_status.start,
 					resource_size(&res_status));
-	ltq_ebu_membase = ioremap_nocache(res_ebu.start,
+	ltq_ebu_membase = ioremap(res_ebu.start,
 					resource_size(&res_ebu));
 
 	if (!status_membase || !ltq_ebu_membase)
 		panic("Failed to remap core resources");
 
 	for (i = 0; i < 3; i++) {
-		sysctl_membase[i] = ioremap_nocache(res_sys[i].start,
+		sysctl_membase[i] = ioremap(res_sys[i].start,
 						resource_size(&res_sys[i]));
 		if (!sysctl_membase[i])
 			panic("Failed to remap sysctrl resources");

arch/mips/lantiq/irq.c

@@ -349,7 +349,7 @@ int __init icu_of_init(struct device_node *node, struct device_node *parent)
 					res.name))
 			pr_err("Failed to request icu%i memory\n", vpe);
 
-		ltq_icu_membase[vpe] = ioremap_nocache(res.start,
+		ltq_icu_membase[vpe] = ioremap(res.start,
 					resource_size(&res));
 
 		if (!ltq_icu_membase[vpe])
@@ -402,7 +402,7 @@ int __init icu_of_init(struct device_node *node, struct device_node *parent)
 							res.name))
 			pr_err("Failed to request eiu memory");
 
-		ltq_eiu_membase = ioremap_nocache(res.start,
+		ltq_eiu_membase = ioremap(res.start,
 							resource_size(&res));
 		if (!ltq_eiu_membase)
 			panic("Failed to remap eiu memory");

arch/mips/lantiq/xway/sysctrl.c

@@ -431,10 +431,10 @@ void __init ltq_soc_init(void)
 				res_ebu.name))
 		pr_err("Failed to request core resources");
 
-	pmu_membase = ioremap_nocache(res_pmu.start, resource_size(&res_pmu));
+	pmu_membase = ioremap(res_pmu.start, resource_size(&res_pmu));
-	ltq_cgu_membase = ioremap_nocache(res_cgu.start,
+	ltq_cgu_membase = ioremap(res_cgu.start,
 						resource_size(&res_cgu));
-	ltq_ebu_membase = ioremap_nocache(res_ebu.start,
+	ltq_ebu_membase = ioremap(res_ebu.start,
 						resource_size(&res_ebu));
 	if (!pmu_membase || !ltq_cgu_membase || !ltq_ebu_membase)
 		panic("Failed to remap core resources");

arch/mips/loongson2ef/common/reset.c

@@ -17,11 +17,11 @@
 static inline void loongson_reboot(void)
 {
 #ifndef CONFIG_CPU_JUMP_WORKAROUNDS
-	((void (*)(void))ioremap_nocache(LOONGSON_BOOT_BASE, 4)) ();
+	((void (*)(void))ioremap(LOONGSON_BOOT_BASE, 4)) ();
 #else
 	void (*func)(void);
 
-	func = (void *)ioremap_nocache(LOONGSON_BOOT_BASE, 4);
+	func = (void *)ioremap(LOONGSON_BOOT_BASE, 4);
 
 	__asm__ __volatile__(
 	"	.set	noat						\n"

arch/mips/loongson32/common/prom.c

@@ -26,13 +26,13 @@ void __init prom_init(void)
 		memsize = DEFAULT_MEMSIZE;
 
 	if (strstr(arcs_cmdline, "console=ttyS3"))
-		uart_base = ioremap_nocache(LS1X_UART3_BASE, 0x0f);
+		uart_base = ioremap(LS1X_UART3_BASE, 0x0f);
 	else if (strstr(arcs_cmdline, "console=ttyS2"))
-		uart_base = ioremap_nocache(LS1X_UART2_BASE, 0x0f);
+		uart_base = ioremap(LS1X_UART2_BASE, 0x0f);
 	else if (strstr(arcs_cmdline, "console=ttyS1"))
-		uart_base = ioremap_nocache(LS1X_UART1_BASE, 0x0f);
+		uart_base = ioremap(LS1X_UART1_BASE, 0x0f);
 	else
-		uart_base = ioremap_nocache(LS1X_UART0_BASE, 0x0f);
+		uart_base = ioremap(LS1X_UART0_BASE, 0x0f);
 	setup_8250_early_printk_port((unsigned long)uart_base, 0, 0);
 }
 

arch/mips/loongson32/common/reset.c

@@ -37,7 +37,7 @@ static void ls1x_power_off(void)
 
 static int __init ls1x_reboot_setup(void)
 {
-	wdt_reg_base = ioremap_nocache(LS1X_WDT_BASE, (SZ_4 + SZ_8));
+	wdt_reg_base = ioremap(LS1X_WDT_BASE, (SZ_4 + SZ_8));
 	if (!wdt_reg_base)
 		panic("Failed to remap watchdog registers");
 

arch/mips/loongson32/common/time.c

@@ -49,7 +49,7 @@ static inline void ls1x_pwmtimer_restart(void)
 
 void __init ls1x_pwmtimer_init(void)
 {
-	timer_reg_base = ioremap_nocache(LS1X_TIMER_BASE, SZ_16);
+	timer_reg_base = ioremap(LS1X_TIMER_BASE, SZ_16);
 	if (!timer_reg_base)
 		panic("Failed to remap timer registers");
 

arch/mips/loongson64/reset.c

@@ -17,7 +17,7 @@
 
 static inline void loongson_reboot(void)
 {
-	((void (*)(void))ioremap_nocache(LOONGSON_BOOT_BASE, 4)) ();
+	((void (*)(void))ioremap(LOONGSON_BOOT_BASE, 4)) ();
 }
 
 static void loongson_restart(char *command)

arch/mips/mti-malta/malta-dtshim.c

@@ -240,7 +240,7 @@ static void __init remove_gic(void *fdt)
 		 * On systems using the RocIT system controller a GIC may be
 		 * present without a CM. Detect whether that is the case.
 		 */
-		biu_base = ioremap_nocache(MSC01_BIU_REG_BASE,
+		biu_base = ioremap(MSC01_BIU_REG_BASE,
 				MSC01_BIU_ADDRSPACE_SZ);
 		sc_cfg = __raw_readl(biu_base + MSC01_SC_CFG_OFS);
 		if (sc_cfg & MSC01_SC_CFG_GICPRES_MSK) {

arch/mips/pci/pci-alchemy.c

@@ -409,7 +409,7 @@ static int alchemy_pci_probe(struct platform_device *pdev)
 		goto out6;
 	}
 
-	ctx->regs = ioremap_nocache(r->start, resource_size(r));
+	ctx->regs = ioremap(r->start, resource_size(r));
 	if (!ctx->regs) {
 		dev_err(&pdev->dev, "cannot map pci regs\n");
 		ret = -ENODEV;

arch/mips/pci/pci-ar2315.c

@@ -441,7 +441,7 @@ static int ar2315_pci_probe(struct platform_device *pdev)
 	apc->mem_res.flags = IORESOURCE_MEM;
 
 	/* Remap PCI config space */
-	apc->cfg_mem = devm_ioremap_nocache(dev, res->start,
+	apc->cfg_mem = devm_ioremap(dev, res->start,
 					    AR2315_PCI_CFG_SIZE);
 	if (!apc->cfg_mem) {
 		dev_err(dev, "failed to remap PCI config space\n");

arch/mips/pci/pci-bcm63xx.c

@@ -221,7 +221,7 @@ static int __init bcm63xx_register_pci(void)
 	 * a spinlock for each io access, so this is currently kind of
 	 * broken on SMP.
 	 */
-	pci_iospace_start = ioremap_nocache(BCM_PCI_IO_BASE_PA, 4);
+	pci_iospace_start = ioremap(BCM_PCI_IO_BASE_PA, 4);
 	if (!pci_iospace_start)
 		return -ENOMEM;
 

arch/mips/pci/pci-rt2880.c

@@ -218,7 +218,7 @@ static int rt288x_pci_probe(struct platform_device *pdev)
 {
 	void __iomem *io_map_base;
 
-	rt2880_pci_base = ioremap_nocache(RT2880_PCI_BASE, PAGE_SIZE);
+	rt2880_pci_base = ioremap(RT2880_PCI_BASE, PAGE_SIZE);
 
 	io_map_base = ioremap(RT2880_PCI_IO_BASE, RT2880_PCI_IO_SIZE);
 	rt2880_pci_controller.io_map_base = (unsigned long) io_map_base;

arch/mips/pic32/pic32mzda/early_console.c

@@ -135,7 +135,7 @@ void __init fw_init_early_console(char port)
 	char *arch_cmdline = pic32_getcmdline();
 	int baud = -1;
 
-	uart_base = ioremap_nocache(PIC32_BASE_UART, 0xc00);
+	uart_base = ioremap(PIC32_BASE_UART, 0xc00);
 
 	baud = get_baud_from_cmdline(arch_cmdline);
 	if (port == -1)

arch/mips/pic32/pic32mzda/early_pin.c

@@ -122,7 +122,7 @@ static const struct
 
 void pic32_pps_input(int function, int pin)
 {
-	void __iomem *pps_base = ioremap_nocache(PPS_BASE, 0xF4);
+	void __iomem *pps_base = ioremap(PPS_BASE, 0xF4);
 	int i;
 
 	for (i = 0; i < ARRAY_SIZE(input_pin_reg); i++) {
@@ -252,7 +252,7 @@ static const struct
 
 void pic32_pps_output(int function, int pin)
 {
-	void __iomem *pps_base = ioremap_nocache(PPS_BASE, 0x170);
+	void __iomem *pps_base = ioremap(PPS_BASE, 0x170);
 	int i;
 
 	for (i = 0; i < ARRAY_SIZE(output_pin_reg); i++) {

arch/mips/pmcs-msp71xx/msp_serial.c

@@ -105,7 +105,7 @@ void __init msp_serial_setup(void)
 
 	/* Initialize first serial port */
 	up.mapbase	= MSP_UART0_BASE;
-	up.membase	= ioremap_nocache(up.mapbase, MSP_UART_REG_LEN);
+	up.membase	= ioremap(up.mapbase, MSP_UART_REG_LEN);
 	up.irq		= MSP_INT_UART0;
 	up.uartclk	= uartclk;
 	up.regshift	= 2;
@@ -143,7 +143,7 @@ void __init msp_serial_setup(void)
 	}
 
 	up.mapbase	= MSP_UART1_BASE;
-	up.membase	= ioremap_nocache(up.mapbase, MSP_UART_REG_LEN);
+	up.membase	= ioremap(up.mapbase, MSP_UART_REG_LEN);
 	up.irq		= MSP_INT_UART1;
 	up.line		= 1;
 	up.private_data		= (void*)UART1_STATUS_REG;

arch/mips/ralink/irq.c

@@ -165,7 +165,7 @@ static int __init intc_of_init(struct device_node *node,
 				res.name))
 		pr_err("Failed to request intc memory");
 
-	rt_intc_membase = ioremap_nocache(res.start,
+	rt_intc_membase = ioremap(res.start,
 					resource_size(&res));
 	if (!rt_intc_membase)
 		panic("Failed to remap intc memory");

arch/mips/ralink/of.c

@@ -43,7 +43,7 @@ __iomem void *plat_of_remap_node(const char *node)
 				res.name))
 		panic("Failed to request resources for %s", node);
 
-	return ioremap_nocache(res.start, resource_size(&res));
+	return ioremap(res.start, resource_size(&res));
 }
 
 void __init device_tree_init(void)

arch/mips/rb532/devices.c

@@ -286,7 +286,7 @@ static int __init plat_setup_devices(void)
 	nand_slot0_res[0].end = nand_slot0_res[0].start + 0x1000;
 
 	/* Read and map device controller 3 */
-	dev3.base = ioremap_nocache(readl(IDT434_REG_BASE + DEV3BASE), 1);
+	dev3.base = ioremap(readl(IDT434_REG_BASE + DEV3BASE), 1);
 
 	if (!dev3.base) {
 		printk(KERN_ERR "rb532: cannot remap device controller 3\n");

arch/mips/rb532/gpio.c

@@ -192,7 +192,7 @@ int __init rb532_gpio_init(void)
 	struct resource *r;
 
 	r = rb532_gpio_reg0_res;
-	rb532_gpio_chip->regbase = ioremap_nocache(r->start, resource_size(r));
+	rb532_gpio_chip->regbase = ioremap(r->start, resource_size(r));
 
 	if (!rb532_gpio_chip->regbase) {
 		printk(KERN_ERR "rb532: cannot remap GPIO register 0\n");

arch/mips/rb532/prom.c

@@ -110,7 +110,7 @@ void __init prom_init(void)
 	phys_addr_t memsize;
 	phys_addr_t ddrbase;
 
-	ddr = ioremap_nocache(ddr_reg[0].start,
+	ddr = ioremap(ddr_reg[0].start,
 			ddr_reg[0].end - ddr_reg[0].start);
 
 	if (!ddr) {

arch/mips/rb532/setup.c

@@ -49,7 +49,7 @@ void __init plat_mem_setup(void)
 
 	set_io_port_base(KSEG1);
 
-	pci_reg = ioremap_nocache(pci0_res[0].start,
+	pci_reg = ioremap(pci0_res[0].start,
 				pci0_res[0].end - pci0_res[0].start);
 	if (!pci_reg) {
 		printk(KERN_ERR "Could not remap PCI registers\n");

arch/mips/sni/rm200.c

@@ -399,10 +399,10 @@ void __init sni_rm200_i8259_irqs(void)
 {
 	int i;
 
-	rm200_pic_master = ioremap_nocache(0x16000020, 4);
+	rm200_pic_master = ioremap(0x16000020, 4);
 	if (!rm200_pic_master)
 		return;
-	rm200_pic_slave = ioremap_nocache(0x160000a0, 4);
+	rm200_pic_slave = ioremap(0x160000a0, 4);
 	if (!rm200_pic_slave) {
 		iounmap(rm200_pic_master);
 		return;

arch/parisc/include/asm/io.h

@@ -128,9 +128,8 @@ static inline void gsc_writeq(unsigned long long val, unsigned long addr)
  * The standard PCI ioremap interfaces
  */
 void __iomem *ioremap(unsigned long offset, unsigned long size);
-#define ioremap_nocache(off, sz)	ioremap((off), (sz))
+#define ioremap_wc			ioremap
-#define ioremap_wc			ioremap_nocache
+#define ioremap_uc			ioremap
-#define ioremap_uc			ioremap_nocache
 
 extern void iounmap(const volatile void __iomem *addr);
 

arch/parisc/kernel/perf.c

@@ -792,7 +792,7 @@ static int perf_write_image(uint64_t *memaddr)
 		return -1;
 	}
 
-	runway = ioremap_nocache(cpu_device->hpa.start, 4096);
+	runway = ioremap(cpu_device->hpa.start, 4096);
 	if (!runway) {
 		pr_err("perf_write_image: ioremap failed!\n");
 		return -ENOMEM;

arch/powerpc/include/asm/io.h

@@ -691,8 +691,6 @@ static inline void iosync(void)
  * * ioremap_prot allows to specify the page flags as an argument and can
  *   also be hooked by the platform via ppc_md.
  *
- * * ioremap_nocache is identical to ioremap
- *
  * * ioremap_wc enables write combining
  *
  * * ioremap_wt enables write through
@@ -715,7 +713,6 @@ extern void __iomem *ioremap_prot(phys_addr_t address, unsigned long size,
 extern void __iomem *ioremap_wc(phys_addr_t address, unsigned long size);
 void __iomem *ioremap_wt(phys_addr_t address, unsigned long size);
 void __iomem *ioremap_coherent(phys_addr_t address, unsigned long size);
-#define ioremap_nocache(addr, size)	ioremap((addr), (size))
 #define ioremap_uc(addr, size)		ioremap((addr), (size))
 #define ioremap_cache(addr, size) \
 	ioremap_prot((addr), (size), pgprot_val(PAGE_KERNEL))

arch/sh/boards/board-sh7785lcr.c

@@ -341,7 +341,7 @@ static void __init sh7785lcr_setup(char **cmdline_p)
 	pm_power_off = sh7785lcr_power_off;
 
 	/* sm501 DRAM configuration */
-	sm501_reg = ioremap_nocache(SM107_REG_ADDR, SM501_DRAM_CONTROL);
+	sm501_reg = ioremap(SM107_REG_ADDR, SM501_DRAM_CONTROL);
 	if (!sm501_reg) {
 		printk(KERN_ERR "%s: ioremap error.\n", __func__);
 		return;

arch/sh/boards/mach-cayman/irq.c

@@ -137,7 +137,7 @@ void init_cayman_irq(void)
 {
 	int i;
 
-	epld_virt = (unsigned long)ioremap_nocache(EPLD_BASE, 1024);
+	epld_virt = (unsigned long)ioremap(EPLD_BASE, 1024);
 	if (!epld_virt) {
 		printk(KERN_ERR "Cayman IRQ: Unable to remap EPLD\n");
 		return;

arch/sh/boards/mach-cayman/setup.c

@@ -99,7 +99,7 @@ static int __init smsc_superio_setup(void)
 {
 	unsigned char devid, devrev;
 
-	smsc_superio_virt = (unsigned long)ioremap_nocache(SMSC_SUPERIO_BASE, 1024);
+	smsc_superio_virt = (unsigned long)ioremap(SMSC_SUPERIO_BASE, 1024);
 	if (!smsc_superio_virt) {
 		panic("Unable to remap SMSC SuperIO\n");
 	}

arch/sh/boards/mach-sdk7786/fpga.c

@@ -32,7 +32,7 @@ static void __iomem *sdk7786_fpga_probe(void)
 	 * is reserved.
 	 */
 	for (area = PA_AREA0; area < PA_AREA7; area += SZ_64M) {
-		base = ioremap_nocache(area + FPGA_REGS_OFFSET, FPGA_REGS_SIZE);
+		base = ioremap(area + FPGA_REGS_OFFSET, FPGA_REGS_SIZE);
 		if (!base) {
 			/* Failed to remap this area, move along. */
 			continue;

arch/sh/drivers/heartbeat.c

@@ -96,7 +96,7 @@ static int heartbeat_drv_probe(struct platform_device *pdev)
 			return -ENOMEM;
 	}
 
-	hd->base = ioremap_nocache(res->start, resource_size(res));
+	hd->base = ioremap(res->start, resource_size(res));
 	if (unlikely(!hd->base)) {
 		dev_err(&pdev->dev, "ioremap failed\n");
 

arch/sh/drivers/pci/pci-sh5.c

@@ -115,12 +115,12 @@ static int __init sh5pci_init(void)
                 return -EINVAL;
         }
 
-	pcicr_virt = (unsigned long)ioremap_nocache(SH5PCI_ICR_BASE, 1024);
+	pcicr_virt = (unsigned long)ioremap(SH5PCI_ICR_BASE, 1024);
 	if (!pcicr_virt) {
 		panic("Unable to remap PCICR\n");
 	}
 
-	PCI_IO_AREA = (unsigned long)ioremap_nocache(SH5PCI_IO_BASE, 0x10000);
+	PCI_IO_AREA = (unsigned long)ioremap(SH5PCI_IO_BASE, 0x10000);
 	if (!PCI_IO_AREA) {
 		panic("Unable to remap PCIIO\n");
 	}

arch/sh/include/asm/io.h

@@ -367,7 +367,6 @@ static inline void ioremap_fixed_init(void) { }
 static inline int iounmap_fixed(void __iomem *addr) { return -EINVAL; }
 #endif
 
-#define ioremap_nocache	ioremap
 #define ioremap_uc	ioremap
 
 /*

arch/sh/kernel/cpu/irq/intc-sh5.c

@@ -124,7 +124,7 @@ void __init plat_irq_setup(void)
 	unsigned long reg;
 	int i;
 
-	intc_virt = (unsigned long)ioremap_nocache(INTC_BASE, 1024);
+	intc_virt = (unsigned long)ioremap(INTC_BASE, 1024);
 	if (!intc_virt) {
 		panic("Unable to remap INTC\n");
 	}

arch/sh/kernel/cpu/sh2/smp-j2.c

@@ -88,8 +88,8 @@ static void j2_start_cpu(unsigned int cpu, unsigned long entry_point)
 	if (!np) return;
 
 	if (of_property_read_u32_array(np, "cpu-release-addr", regs, 2)) return;
-	release = ioremap_nocache(regs[0], sizeof(u32));
+	release = ioremap(regs[0], sizeof(u32));
-	initpc = ioremap_nocache(regs[1], sizeof(u32));
+	initpc = ioremap(regs[1], sizeof(u32));
 
 	__raw_writel(entry_point, initpc);
 	__raw_writel(1, release);

arch/sh/kernel/cpu/sh5/clock-sh5.c

@@ -68,7 +68,7 @@ static struct sh_clk_ops *sh5_clk_ops[] = {
 
 void __init arch_init_clk_ops(struct sh_clk_ops **ops, int idx)
 {
-	cprc_base = (unsigned long)ioremap_nocache(CPRC_BASE, 1024);
+	cprc_base = (unsigned long)ioremap(CPRC_BASE, 1024);
 	BUG_ON(!cprc_base);
 
 	if (idx < ARRAY_SIZE(sh5_clk_ops))

arch/sh/kernel/dma-coherent.c

@@ -28,7 +28,7 @@ void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
 	arch_sync_dma_for_device(virt_to_phys(ret), size,
 			DMA_BIDIRECTIONAL);
 
-	ret_nocache = (void __force *)ioremap_nocache(virt_to_phys(ret), size);
+	ret_nocache = (void __force *)ioremap(virt_to_phys(ret), size);
 	if (!ret_nocache) {
 		free_pages((unsigned long)ret, order);
 		return NULL;

arch/sparc/include/asm/io_64.h

@@ -406,7 +406,6 @@ static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
 	return (void __iomem *)offset;
 }
 
-#define ioremap_nocache(X,Y)		ioremap((X),(Y))
 #define ioremap_uc(X,Y)			ioremap((X),(Y))
 #define ioremap_wc(X,Y)			ioremap((X),(Y))
 #define ioremap_wt(X,Y)			ioremap((X),(Y))

arch/unicore32/include/asm/io.h

@@ -31,7 +31,6 @@ extern void __uc32_iounmap(volatile void __iomem *addr);
  *
  */
 #define ioremap(cookie, size)		__uc32_ioremap(cookie, size)
-#define ioremap_nocache(cookie, size)	__uc32_ioremap(cookie, size)
 #define iounmap(cookie)			__uc32_iounmap(cookie)
 
 #define readb_relaxed readb

arch/x86/kernel/apb_timer.c

@@ -95,7 +95,7 @@ static inline void apbt_set_mapping(void)
 		printk(KERN_WARNING "No timer base from SFI, use default\n");
 		apbt_address = APBT_DEFAULT_BASE;
 	}
-	apbt_virt_address = ioremap_nocache(apbt_address, APBT_MMAP_SIZE);
+	apbt_virt_address = ioremap(apbt_address, APBT_MMAP_SIZE);
 	if (!apbt_virt_address) {
 		pr_debug("Failed mapping APBT phy address at %lu\n",\
 			 (unsigned long)apbt_address);

arch/x86/kernel/hpet.c

@@ -84,7 +84,7 @@ static inline void hpet_writel(unsigned int d, unsigned int a)
 
 static inline void hpet_set_mapping(void)
 {
-	hpet_virt_address = ioremap_nocache(hpet_address, HPET_MMAP_SIZE);
+	hpet_virt_address = ioremap(hpet_address, HPET_MMAP_SIZE);
 }
 
 static inline void hpet_clear_mapping(void)

arch/x86/kernel/quirks.c

@@ -110,7 +110,7 @@ static void ich_force_enable_hpet(struct pci_dev *dev)
 	}
 
 	/* use bits 31:14, 16 kB aligned */
-	rcba_base = ioremap_nocache(rcba, 0x4000);
+	rcba_base = ioremap(rcba, 0x4000);
 	if (rcba_base == NULL) {
 		dev_printk(KERN_DEBUG, &dev->dev, "ioremap failed; "
 			"cannot force enable HPET\n");

arch/x86/kernel/tboot.c

@@ -354,7 +354,7 @@ static ssize_t tboot_log_read(struct file *file, char __user *user_buf, size_t c
 	void *kbuf;
 	int ret = -EFAULT;
 
-	log_base = ioremap_nocache(TBOOT_SERIAL_LOG_ADDR, TBOOT_SERIAL_LOG_SIZE);
+	log_base = ioremap(TBOOT_SERIAL_LOG_ADDR, TBOOT_SERIAL_LOG_SIZE);
 	if (!log_base)
 		return ret;
 

arch/x86/mm/testmmiotrace.c

@@ -79,7 +79,7 @@ static void do_read_far_test(void __iomem *p)
 
 static void do_test(unsigned long size)
 {
-	void __iomem *p = ioremap_nocache(mmio_address, size);
+	void __iomem *p = ioremap(mmio_address, size);
 	if (!p) {
 		pr_err("could not ioremap, aborting.\n");
 		return;
@@ -104,7 +104,7 @@ static void do_test_bulk_ioremapping(void)
 	int i;
 
 	for (i = 0; i < 10; ++i) {
-		p = ioremap_nocache(mmio_address, PAGE_SIZE);
+		p = ioremap(mmio_address, PAGE_SIZE);
 		if (p)
 			iounmap(p);
 	}

arch/x86/pci/mmconfig_64.c

@@ -105,7 +105,7 @@ static void __iomem *mcfg_ioremap(struct pci_mmcfg_region *cfg)
 	start = cfg->address + PCI_MMCFG_BUS_OFFSET(cfg->start_bus);
 	num_buses = cfg->end_bus - cfg->start_bus + 1;
 	size = PCI_MMCFG_BUS_OFFSET(num_buses);
-	addr = ioremap_nocache(start, size);
+	addr = ioremap(start, size);
 	if (addr)
 		addr -= PCI_MMCFG_BUS_OFFSET(cfg->start_bus);
 	return addr;

drivers/acpi/acpi_lpit.c

@@ -104,7 +104,7 @@ static void lpit_update_residency(struct lpit_residency_info *info,
 
 	info->gaddr = lpit_native->residency_counter;
 	if (info->gaddr.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) {
-		info->iomem_addr = ioremap_nocache(info->gaddr.address,
+		info->iomem_addr = ioremap(info->gaddr.address,
 						   info->gaddr.bit_width / 8);
 		if (!info->iomem_addr)
 			return;

drivers/ata/pata_arasan_cf.c

@@ -824,7 +824,7 @@ static int arasan_cf_probe(struct platform_device *pdev)
 		quirk |= CF_BROKEN_MWDMA | CF_BROKEN_UDMA;
 
 	acdev->pbase = res->start;
-	acdev->vbase = devm_ioremap_nocache(&pdev->dev, res->start,
+	acdev->vbase = devm_ioremap(&pdev->dev, res->start,
 			resource_size(res));
 	if (!acdev->vbase) {
 		dev_warn(&pdev->dev, "ioremap fail\n");

drivers/ata/pata_octeon_cf.c

@@ -891,7 +891,7 @@ static int octeon_cf_probe(struct platform_device *pdev)
 					of_node_put(dma_node);
 					return -EINVAL;
 				}
-				cf_port->dma_base = (u64)devm_ioremap_nocache(&pdev->dev, res_dma->start,
+				cf_port->dma_base = (u64)devm_ioremap(&pdev->dev, res_dma->start,
 									 resource_size(res_dma));
 				if (!cf_port->dma_base) {
 					of_node_put(dma_node);
@@ -909,7 +909,7 @@ static int octeon_cf_probe(struct platform_device *pdev)
 		if (!res_cs1)
 			return -EINVAL;
 
-		cs1 = devm_ioremap_nocache(&pdev->dev, res_cs1->start,
+		cs1 = devm_ioremap(&pdev->dev, res_cs1->start,
 					   resource_size(res_cs1));
 		if (!cs1)
 			return rv;
@@ -925,7 +925,7 @@ static int octeon_cf_probe(struct platform_device *pdev)
 	if (!res_cs0)
 		return -EINVAL;
 
-	cs0 = devm_ioremap_nocache(&pdev->dev, res_cs0->start,
+	cs0 = devm_ioremap(&pdev->dev, res_cs0->start,
 				   resource_size(res_cs0));
 	if (!cs0)
 		return rv;

drivers/ata/pata_rb532_cf.c

@@ -140,7 +140,7 @@ static int rb532_pata_driver_probe(struct platform_device *pdev)
 	info->gpio_line = gpiod;
 	info->irq = irq;
 
-	info->iobase = devm_ioremap_nocache(&pdev->dev, res->start,
+	info->iobase = devm_ioremap(&pdev->dev, res->start,
 				resource_size(res));
 	if (!info->iobase)
 		return -ENOMEM;

drivers/atm/eni.c

@@ -31,12 +31,6 @@
 #include "suni.h"
 #include "eni.h"
 
-#if !defined(__i386__) && !defined(__x86_64__)
-#ifndef ioremap_nocache
-#define ioremap_nocache(X,Y) ioremap(X,Y)
-#endif 
-#endif
-
 /*
  * TODO:
  *
@@ -1725,7 +1719,7 @@ static int eni_do_init(struct atm_dev *dev)
 	}
 	printk(KERN_NOTICE DEV_LABEL "(itf %d): rev.%d,base=0x%lx,irq=%d,",
 	    dev->number,pci_dev->revision,real_base,eni_dev->irq);
-	if (!(base = ioremap_nocache(real_base,MAP_MAX_SIZE))) {
+	if (!(base = ioremap(real_base,MAP_MAX_SIZE))) {
 		printk("\n");
 		printk(KERN_ERR DEV_LABEL "(itf %d): can't set up page "
 		    "mapping\n",dev->number);

drivers/bcma/driver_chipcommon_b.c

@@ -48,7 +48,7 @@ int bcma_core_chipcommon_b_init(struct bcma_drv_cc_b *ccb)
 		return 0;
 
 	ccb->setup_done = 1;
-	ccb->mii = ioremap_nocache(ccb->core->addr_s[1], BCMA_CORE_SIZE);
+	ccb->mii = ioremap(ccb->core->addr_s[1], BCMA_CORE_SIZE);
 	if (!ccb->mii)
 		return -ENOMEM;
 

drivers/bcma/driver_pci_host.c

@@ -115,7 +115,7 @@ static int bcma_extpci_read_config(struct bcma_drv_pci *pc, unsigned int dev,
 		if (unlikely(!addr))
 			goto out;
 		err = -ENOMEM;
-		mmio = ioremap_nocache(addr, sizeof(val));
+		mmio = ioremap(addr, sizeof(val));
 		if (!mmio)
 			goto out;
 
@@ -180,7 +180,7 @@ static int bcma_extpci_write_config(struct bcma_drv_pci *pc, unsigned int dev,
 		if (unlikely(!addr))
 			goto out;
 		err = -ENOMEM;
-		mmio = ioremap_nocache(addr, sizeof(val));
+		mmio = ioremap(addr, sizeof(val));
 		if (!mmio)
 			goto out;
 
@@ -515,7 +515,7 @@ void bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc)
 	/* Ok, ready to run, register it to the system.
 	 * The following needs change, if we want to port hostmode
 	 * to non-MIPS platform. */
-	io_map_base = (unsigned long)ioremap_nocache(pc_host->mem_resource.start,
+	io_map_base = (unsigned long)ioremap(pc_host->mem_resource.start,
 						     resource_size(&pc_host->mem_resource));
 	pc_host->pci_controller.io_map_base = io_map_base;
 	set_io_port_base(pc_host->pci_controller.io_map_base);

drivers/bcma/host_soc.c

@@ -172,7 +172,7 @@ int __init bcma_host_soc_register(struct bcma_soc *soc)
 	/* iomap only first core. We have to read some register on this core
 	 * to scan the bus.
 	 */
-	bus->mmio = ioremap_nocache(BCMA_ADDR_BASE, BCMA_CORE_SIZE * 1);
+	bus->mmio = ioremap(BCMA_ADDR_BASE, BCMA_CORE_SIZE * 1);
 	if (!bus->mmio)
 		return -ENOMEM;
 

drivers/bcma/scan.c

@@ -425,11 +425,11 @@ static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr,
 		}
 	}
 	if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
-		core->io_addr = ioremap_nocache(core->addr, BCMA_CORE_SIZE);
+		core->io_addr = ioremap(core->addr, BCMA_CORE_SIZE);
 		if (!core->io_addr)
 			return -ENOMEM;
 		if (core->wrap) {
-			core->io_wrap = ioremap_nocache(core->wrap,
+			core->io_wrap = ioremap(core->wrap,
 							BCMA_CORE_SIZE);
 			if (!core->io_wrap) {
 				iounmap(core->io_addr);
@@ -472,7 +472,7 @@ int bcma_bus_scan(struct bcma_bus *bus)
 
 	erombase = bcma_scan_read32(bus, 0, BCMA_CC_EROM);
 	if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
-		eromptr = ioremap_nocache(erombase, BCMA_CORE_SIZE);
+		eromptr = ioremap(erombase, BCMA_CORE_SIZE);
 		if (!eromptr)
 			return -ENOMEM;
 	} else {

drivers/block/umem.c

@@ -827,7 +827,7 @@ static int mm_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
 		goto failed_req_csr;
 	}
 
-	card->csr_remap = ioremap_nocache(csr_base, csr_len);
+	card->csr_remap = ioremap(csr_base, csr_len);
 	if (!card->csr_remap) {
 		dev_printk(KERN_ERR, &card->dev->dev,
 			"Unable to remap memory region\n");

drivers/bus/fsl-mc/mc-io.c

@@ -97,12 +97,12 @@ int __must_check fsl_create_mc_io(struct device *dev,
 		return -EBUSY;
 	}
 
-	mc_portal_virt_addr = devm_ioremap_nocache(dev,
+	mc_portal_virt_addr = devm_ioremap(dev,
 						   mc_portal_phys_addr,
 						   mc_portal_size);
 	if (!mc_portal_virt_addr) {
 		dev_err(dev,
-			"devm_ioremap_nocache failed for MC portal %pa\n",
+			"devm_ioremap failed for MC portal %pa\n",
 			&mc_portal_phys_addr);
 		return -ENXIO;
 	}

drivers/char/agp/generic.c

@@ -941,7 +941,7 @@ int agp_generic_create_gatt_table(struct agp_bridge_data *bridge)
 
 	bridge->gatt_table = (u32 __iomem *)table;
 #else
-	bridge->gatt_table = ioremap_nocache(virt_to_phys(table),
+	bridge->gatt_table = ioremap(virt_to_phys(table),
 					(PAGE_SIZE * (1 << page_order)));
 	bridge->driver->cache_flush();
 #endif

drivers/char/agp/intel-gtt.c

@@ -1087,7 +1087,7 @@ static void intel_i9xx_setup_flush(void)
 	}
 
 	if (intel_private.ifp_resource.start)
-		intel_private.i9xx_flush_page = ioremap_nocache(intel_private.ifp_resource.start, PAGE_SIZE);
+		intel_private.i9xx_flush_page = ioremap(intel_private.ifp_resource.start, PAGE_SIZE);
 	if (!intel_private.i9xx_flush_page)
 		dev_err(&intel_private.pcidev->dev,
 			"can't ioremap flush page - no chipset flushing\n");

drivers/char/applicom.c

@@ -204,7 +204,7 @@ static int __init applicom_init(void)
 		if (pci_enable_device(dev))
 			return -EIO;
 
-		RamIO = ioremap_nocache(pci_resource_start(dev, 0), LEN_RAM_IO);
+		RamIO = ioremap(pci_resource_start(dev, 0), LEN_RAM_IO);
 
 		if (!RamIO) {
 			printk(KERN_INFO "ac.o: Failed to ioremap PCI memory "
@@ -259,7 +259,7 @@ static int __init applicom_init(void)
 	/* Now try the specified ISA cards */
 
 	for (i = 0; i < MAX_ISA_BOARD; i++) {
-		RamIO = ioremap_nocache(mem + (LEN_RAM_IO * i), LEN_RAM_IO);
+		RamIO = ioremap(mem + (LEN_RAM_IO * i), LEN_RAM_IO);
 
 		if (!RamIO) {
 			printk(KERN_INFO "ac.o: Failed to ioremap the ISA card's memory space (slot #%d)\n", i + 1);

drivers/char/hw_random/intel-rng.c

@@ -317,7 +317,7 @@ PFX "RNG, try using the 'no_fwh_detect' option.\n";
 		return -EBUSY;
 	}
 
-	intel_rng_hw->mem = ioremap_nocache(INTEL_FWH_ADDR, INTEL_FWH_ADDR_LEN);
+	intel_rng_hw->mem = ioremap(INTEL_FWH_ADDR, INTEL_FWH_ADDR_LEN);
 	if (intel_rng_hw->mem == NULL)
 		return -EBUSY;
 

drivers/char/hw_random/octeon-rng.c

@@ -81,13 +81,13 @@ static int octeon_rng_probe(struct platform_device *pdev)
 		return -ENOENT;
 
 
-	rng->control_status = devm_ioremap_nocache(&pdev->dev,
+	rng->control_status = devm_ioremap(&pdev->dev,
 						   res_ports->start,
 						   sizeof(u64));
 	if (!rng->control_status)
 		return -ENOENT;
 
-	rng->result = devm_ioremap_nocache(&pdev->dev,
+	rng->result = devm_ioremap(&pdev->dev,
 					   res_result->start,
 					   sizeof(u64));
 	if (!rng->result)

drivers/clk/renesas/clk-rz.c

@@ -37,8 +37,8 @@ static u16 __init rz_cpg_read_mode_pins(void)
 	void __iomem *ppr0, *pibc0;
 	u16 modes;
 
-	ppr0 = ioremap_nocache(PPR0, 2);
+	ppr0 = ioremap(PPR0, 2);
-	pibc0 = ioremap_nocache(PIBC0, 2);
+	pibc0 = ioremap(PIBC0, 2);
 	BUG_ON(!ppr0 || !pibc0);
 	iowrite16(4, pibc0);	/* enable input buffer */
 	modes = ioread16(ppr0);

drivers/clocksource/sh_cmt.c

@@ -905,7 +905,7 @@ static int sh_cmt_map_memory(struct sh_cmt_device *cmt)
 		return -ENXIO;
 	}
 
-	cmt->mapbase = ioremap_nocache(mem->start, resource_size(mem));
+	cmt->mapbase = ioremap(mem->start, resource_size(mem));
 	if (cmt->mapbase == NULL) {
 		dev_err(&cmt->pdev->dev, "failed to remap I/O memory\n");
 		return -ENXIO;

drivers/clocksource/sh_mtu2.c

@@ -377,7 +377,7 @@ static int sh_mtu2_map_memory(struct sh_mtu2_device *mtu)
 		return -ENXIO;
 	}
 
-	mtu->mapbase = ioremap_nocache(res->start, resource_size(res));
+	mtu->mapbase = ioremap(res->start, resource_size(res));
 	if (mtu->mapbase == NULL)
 		return -ENXIO;
 

drivers/clocksource/sh_tmu.c

@@ -486,7 +486,7 @@ static int sh_tmu_map_memory(struct sh_tmu_device *tmu)
 		return -ENXIO;
 	}
 
-	tmu->mapbase = ioremap_nocache(res->start, resource_size(res));
+	tmu->mapbase = ioremap(res->start, resource_size(res));
 	if (tmu->mapbase == NULL)
 		return -ENXIO;
 

drivers/cpufreq/pcc-cpufreq.c

@@ -445,7 +445,7 @@ static int __init pcc_cpufreq_probe(void)
 		goto out_free;
 	}
 
-	pcch_virt_addr = ioremap_nocache(mem_resource->minimum,
+	pcch_virt_addr = ioremap(mem_resource->minimum,
 					mem_resource->address_length);
 	if (pcch_virt_addr == NULL) {
 		pr_debug("probe: could not map shared mem region\n");

drivers/crypto/hifn_795x.c

@@ -2507,7 +2507,7 @@ static int hifn_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		addr = pci_resource_start(pdev, i);
 		size = pci_resource_len(pdev, i);
 
-		dev->bar[i] = ioremap_nocache(addr, size);
+		dev->bar[i] = ioremap(addr, size);
 		if (!dev->bar[i]) {
 			err = -ENOMEM;
 			goto err_out_unmap_bars;

drivers/dma/altera-msgdma.c

@@ -772,10 +772,10 @@ static int request_and_map(struct platform_device *pdev, const char *name,
 		return -EBUSY;
 	}
 
-	*ptr = devm_ioremap_nocache(device, region->start,
+	*ptr = devm_ioremap(device, region->start,
 				    resource_size(region));
 	if (*ptr == NULL) {
-		dev_err(device, "ioremap_nocache of %s failed!", name);
+		dev_err(device, "ioremap of %s failed!", name);
 		return -ENOMEM;
 	}
 

drivers/edac/i3000_edac.c

@@ -324,7 +324,7 @@ static int i3000_probe1(struct pci_dev *pdev, int dev_idx)
 
 	pci_read_config_dword(pdev, I3000_MCHBAR, (u32 *) & mchbar);
 	mchbar &= I3000_MCHBAR_MASK;
-	window = ioremap_nocache(mchbar, I3000_MMR_WINDOW_SIZE);
+	window = ioremap(mchbar, I3000_MMR_WINDOW_SIZE);
 	if (!window) {
 		printk(KERN_ERR "i3000: cannot map mmio space at 0x%lx\n",
 			mchbar);

drivers/edac/i3200_edac.c

@@ -280,7 +280,7 @@ static void __iomem *i3200_map_mchbar(struct pci_dev *pdev)
 		return NULL;
 	}
 
-	window = ioremap_nocache(u.mchbar, I3200_MMR_WINDOW_SIZE);
+	window = ioremap(u.mchbar, I3200_MMR_WINDOW_SIZE);
 	if (!window)
 		printk(KERN_ERR "i3200: cannot map mmio space at 0x%llx\n",
 			(unsigned long long)u.mchbar);

drivers/edac/i82975x_edac.c

@@ -485,7 +485,7 @@ static int i82975x_probe1(struct pci_dev *pdev, int dev_idx)
 		goto fail0;
 	}
 	mchbar &= 0xffffc000;	/* bits 31:14 used for 16K window */
-	mch_window = ioremap_nocache(mchbar, 0x1000);
+	mch_window = ioremap(mchbar, 0x1000);
 	if (!mch_window) {
 		edac_dbg(3, "error ioremapping MCHBAR!\n");
 		goto fail0;