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ARM: at91: remove NEED_MACH_IO_H 

The mach/io.h header on at91 is used to support a nonstandard I/O space
window for the cf card driver. This changes the driver to use pci_ioremap_io
in order to have the standard location, and then removes the custom
mach/io.h.

[alexandre.belloni@free-electrons.com: Added PCI dependency]
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
This commit is contained in:
Arnd Bergmann 2015-03-12 15:54:23 +01:00 committed by Nicolas Ferre
parent 385acc0dac
commit 1be27c62d6
5 changed files with 9 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/Kconfig
View File

@ -361,7 +361,6 @@ config ARCH_AT91
select ARCH_REQUIRE_GPIOLIB
select CLKDEV_LOOKUP
select IRQ_DOMAIN
select NEED_MACH_IO_H if PCCARD
select PINCTRL
select PINCTRL_AT91
select USE_OF

1
arch/arm/mach-at91/Kconfig
View File

@ -81,6 +81,7 @@ config SOC_AT91RM9200
select CPU_ARM920T
select GENERIC_CLOCKEVENTS
select HAVE_AT91_USB_CLK
select MIGHT_HAVE_PCI
select SRAM if PM
config SOC_AT91SAM9

27
arch/arm/mach-at91/include/mach/io.h
View File

@ -1,27 +0,0 @@
/*
* arch/arm/mach-at91/include/mach/io.h
*
* Copyright (C) 2003 SAN People
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ASM_ARCH_IO_H
#define __ASM_ARCH_IO_H
#define IO_SPACE_LIMIT 0xFFFFFFFF
#define __io(a) __typesafe_io(a)
#endif

1
drivers/pcmcia/Kconfig
View File

@ -278,6 +278,7 @@ config BFIN_CFPCMCIA
config AT91_CF
tristate "AT91 CompactFlash Controller"
depends on PCI
depends on PCMCIA && ARCH_AT91
depends on !ARCH_MULTIPLATFORM
help

13
drivers/pcmcia/at91_cf.c
View File

@ -317,13 +317,14 @@ static int at91_cf_probe(struct platform_device *pdev)
} else
cf->socket.pci_irq = nr_irqs + 1;
/* pcmcia layer only remaps "real" memory not iospace */
cf->socket.io_offset = (unsigned long) devm_ioremap(&pdev->dev,
cf->phys_baseaddr + CF_IO_PHYS, SZ_2K);
if (!cf->socket.io_offset) {
status = -ENXIO;
/*
* pcmcia layer only remaps "real" memory not iospace
* io_offset is set to 0x10000 to avoid the check in static_find_io().
* */
cf->socket.io_offset = 0x10000;
status = pci_ioremap_io(0x10000, cf->phys_baseaddr + CF_IO_PHYS);
if (status)
goto fail0a;
}
/* reserve chip-select regions */
if (!devm_request_mem_region(&pdev->dev, io->start, resource_size(io), "at91_cf")) {