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ARM: cns3xxx: fix allmodconfig panic in pci driver 

The kernel panic occurs when running an allmodconfig kernel on
OMAP4460. The inicall "cns3xxx_pcie_init" does not check which
hardware it's running on and just tries to access to its specific
registers. Now call it from .init_late callback from the two
machine descriptors.

Signed-off-by: Xia Kaixu <kaixu.xia@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Anton Vorontsov <anton@enomsg.org>
Cc: Felix Fietkau <nbd@openwrt.org>
Cc: Imre Kaloz <kaloz@openwrt.org>
Cc: linaro-kernel@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
This commit is contained in:
Xia Kaixu 2014-09-03 21:18:12 +08:00 committed by Arnd Bergmann
parent c96bfaffb7
commit 0a2e912d29
5 changed files with 10 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/mach-cns3xxx/cns3420vb.c
View File

@ -250,5 +250,6 @@ MACHINE_START(CNS3420VB, "Cavium Networks CNS3420 Validation Board")
.init_irq = cns3xxx_init_irq,
.init_time = cns3xxx_timer_init,
.init_machine = cns3420_init,
.init_late = cns3xxx_pcie_init_late,
.restart = cns3xxx_restart,
MACHINE_END

1
arch/arm/mach-cns3xxx/core.c
View File

@ -404,5 +404,6 @@ DT_MACHINE_START(CNS3XXX_DT, "Cavium Networks CNS3xxx")
.init_irq = cns3xxx_init_irq,
.init_time = cns3xxx_timer_init,
.init_machine = cns3xxx_init,
.init_late = cns3xxx_pcie_init_late,
.restart = cns3xxx_restart,
MACHINE_END

6
arch/arm/mach-cns3xxx/core.h
View File

@ -21,6 +21,12 @@ void __init cns3xxx_l2x0_init(void);
static inline void cns3xxx_l2x0_init(void) {}
#endif /* CONFIG_CACHE_L2X0 */
#ifdef CONFIG_PCI
extern void __init cns3xxx_pcie_init_late(void);
#else
static inline void __init cns3xxx_pcie_init_late(void) {}
#endif
void __init cns3xxx_map_io(void);
void __init cns3xxx_init_irq(void);
void cns3xxx_power_off(void);

5
arch/arm/mach-cns3xxx/pcie.c
View File

@ -318,7 +318,7 @@ static int cns3xxx_pcie_abort_handler(unsigned long addr, unsigned int fsr,
return 0;
}
static int __init cns3xxx_pcie_init(void)
void __init cns3xxx_pcie_init_late(void)
{
int i;
@ -337,7 +337,4 @@ static int __init cns3xxx_pcie_init(void)
}
pci_assign_unassigned_resources();
return 0;
}
device_initcall(cns3xxx_pcie_init);

2
drivers/cpufreq/Kconfig.arm
View File

@ -77,7 +77,7 @@ config ARM_EXYNOS5440_CPUFREQ
config ARM_EXYNOS_CPU_FREQ_BOOST_SW
bool "EXYNOS Frequency Overclocking - Software"
depends on ARM_EXYNOS_CPUFREQ
depends on ARM_EXYNOS_CPUFREQ && THERMAL
select CPU_FREQ_BOOST_SW
select EXYNOS_THERMAL
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