Prev: [PATCH] nomadik_nand.c: use resource_size()
Next: Use prepare_to_wait_exclusive() instead prepare_to_wait()
From: H Hartley Sweeten on 14 Dec 2009 16:40
Use resource_size().

Signed-off-by: H Hartley Sweeten <hsweeten(a)visionengravers.com>
Cc: David Woodhouse <dwmw2(a)infradead.org>

---

diff --git a/drivers/mtd/nand/gpio.c b/drivers/mtd/nand/gpio.c
index 8f902e7..41f7d22 100644
--- a/drivers/mtd/nand/gpio.c
+++ b/drivers/mtd/nand/gpio.c
@@ -181,11 +181,11 @@ static int __devexit gpio_nand_remove(struct platform_device *dev)
res = platform_get_resource(dev, IORESOURCE_MEM, 1);
iounmap(gpiomtd->io_sync);
if (res)
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));

res = platform_get_resource(dev, IORESOURCE_MEM, 0);
iounmap(gpiomtd->nand_chip.IO_ADDR_R);
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));

if (gpio_is_valid(gpiomtd->plat.gpio_nwp))
gpio_set_value(gpiomtd->plat.gpio_nwp, 0);
@@ -208,14 +208,14 @@ static void __iomem *request_and_remap(struct resource *res, size_t size,
{
void __iomem *ptr;

- if (!request_mem_region(res->start, res->end - res->start + 1, name)) {
+ if (!request_mem_region(res->start, resource_size(res), name)) {
*err = -EBUSY;
return NULL;
}

ptr = ioremap(res->start, size);
if (!ptr) {
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));
*err = -ENOMEM;
}
return ptr;
@@ -338,10 +338,10 @@ err_nwp:
err_nce:
iounmap(gpiomtd->io_sync);
if (res1)
- release_mem_region(res1->start, res1->end - res1->start + 1);
+ release_mem_region(res1->start, resource_size(res1));
err_sync:
iounmap(gpiomtd->nand_chip.IO_ADDR_R);
- release_mem_region(res0->start, res0->end - res0->start + 1);
+ release_mem_region(res0->start, resouce_size(res0));
err_map:
kfree(gpiomtd);
return ret;
--
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Prev: [PATCH] nomadik_nand.c: use resource_size()
Next: Use prepare_to_wait_exclusive() instead prepare_to_wait()