Use the resource_size function instead of manually calculating the
resource size. This reduces the chance of introducing off-by-one errors.
Signed-off-by: Tobias Klauser <tklauser@xxxxxxxxxx>
---
arch/avr32/kernel/setup.c | 4 ++--
arch/avr32/mach-at32ap/extint.c | 2 +-
arch/avr32/mach-at32ap/hsmc.c | 2 +-
arch/avr32/mach-at32ap/intc.c | 2 +-
arch/avr32/mach-at32ap/pio.c | 2 +-
5 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/avr32/kernel/setup.c b/arch/avr32/kernel/setup.c
index 5c70839..1ee4031 100644
--- a/arch/avr32/kernel/setup.c
+++ b/arch/avr32/kernel/setup.c
@@ -429,7 +429,7 @@ static unsigned long __init
find_bootmap_pfn(const struct resource *mem)
{
unsigned long bootmap_pages, bootmap_len;
- unsigned long node_pages = PFN_UP(mem->end - mem->start + 1);
+ unsigned long node_pages = PFN_UP(resource_size(mem));
unsigned long bootmap_start;
bootmap_pages = bootmem_bootmap_pages(node_pages);
@@ -528,7 +528,7 @@ static void __init setup_bootmem(void)
&& res->end < PFN_PHYS(max_pfn))
reserve_bootmem_node(
NODE_DATA(node), res->start,
- res->end - res->start + 1,
+ resource_size(res),
BOOTMEM_DEFAULT);
}
diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c
index 310477b..f28afa9 100644
--- a/arch/avr32/mach-at32ap/extint.c
+++ b/arch/avr32/mach-at32ap/extint.c
@@ -211,7 +211,7 @@ static int __init eic_probe(struct platform_device *pdev)
}
eic->first_irq = EIM_IRQ_BASE + 32 * pdev->id;
- eic->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ eic->regs = ioremap(regs->start, resource_size(regs));
if (!eic->regs) {
dev_dbg(&pdev->dev, "failed to map regs\n");
goto err_ioremap;
diff --git a/arch/avr32/mach-at32ap/hsmc.c b/arch/avr32/mach-at32ap/hsmc.c
index 2875c11..9e130f4 100644
--- a/arch/avr32/mach-at32ap/hsmc.c
+++ b/arch/avr32/mach-at32ap/hsmc.c
@@ -244,7 +244,7 @@ static int hsmc_probe(struct platform_device *pdev)
hsmc->pclk = pclk;
hsmc->mck = mck;
- hsmc->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ hsmc->regs = ioremap(regs->start, resource_size(regs));
if (!hsmc->regs)
goto out_disable_clocks;
diff --git a/arch/avr32/mach-at32ap/intc.c b/arch/avr32/mach-at32ap/intc.c
index 994c454..b713f07 100644
--- a/arch/avr32/mach-at32ap/intc.c
+++ b/arch/avr32/mach-at32ap/intc.c
@@ -110,7 +110,7 @@ void __init init_IRQ(void)
clk_enable(pclk);
- intc0.regs = ioremap(regs->start, regs->end - regs->start + 1);
+ intc0.regs = ioremap(regs->start, resource_size(regs));
if (!intc0.regs) {
printk(KERN_EMERG "intc: failed to map registers (0x%08lx)\n",
(unsigned long)regs->start);
diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c
index 09a274c..586008a 100644
--- a/arch/avr32/mach-at32ap/pio.c
+++ b/arch/avr32/mach-at32ap/pio.c
@@ -464,7 +464,7 @@ void __init at32_init_pio(struct platform_device *pdev)
clk_enable(pio->clk);
pio->pdev = pdev;
- pio->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ pio->regs = ioremap(regs->start, resource_size(regs));
/* start with irqs disabled and acked */
pio_writel(pio, IDR, ~0UL);
--
1.6.3.3
--
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