diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2007-05-10 18:40:51 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-05-11 17:19:02 +0100 |
| commit | 10bdaaa0fad620145cf10e2b573266b2d80b44de (patch) | |
| tree | 8d3200f5041ab0fdc72e9245ef780310b27a18d8 /arch/arm/kernel/ecard.c | |
| parent | c7b87f3d5037a35b5c7bb916ffc826be3fcb208d (diff) | |
[ARM] ecard: add ecardm_iomap() / ecardm_iounmap()
Add devres ecardm_iomap() and ecardm_iounmap() for Acorn expansion
cards. Convert all expansion card drivers to use them.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/ecard.c')
| -rw-r--r-- | arch/arm/kernel/ecard.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c index 65f1398723a..f56d48c451e 100644 --- a/arch/arm/kernel/ecard.c +++ b/arch/arm/kernel/ecard.c @@ -41,11 +41,11 @@ #include <linux/init.h> #include <linux/mutex.h> #include <linux/kthread.h> +#include <linux/io.h> #include <asm/dma.h> #include <asm/ecard.h> #include <asm/hardware.h> -#include <asm/io.h> #include <asm/irq.h> #include <asm/mmu_context.h> #include <asm/mach/irq.h> @@ -966,6 +966,23 @@ void ecard_setirq(struct expansion_card *ec, const struct expansion_card_ops *op } EXPORT_SYMBOL(ecard_setirq); +void __iomem *ecardm_iomap(struct expansion_card *ec, unsigned int res, + unsigned long offset, unsigned long maxsize) +{ + unsigned long start = ecard_resource_start(ec, res); + unsigned long end = ecard_resource_end(ec, res); + + if (offset > (end - start)) + return NULL; + + start += offset; + if (maxsize && end - start > maxsize) + end = start + maxsize; + + return devm_ioremap(&ec->dev, start, end - start); +} +EXPORT_SYMBOL(ecardm_iomap); + /* * Probe for an expansion card. * |