The file-scope variables phys_base and mem_size are assigned in gpmc_probe() but never read. This fixes build error when compile testing on x86_64 architecture: drivers/memory/omap-gpmc.c:246:24: error: conflicting types for ‘phys_base’ static resource_size_t phys_base, mem_size; In file included from arch/x86/include/asm/page.h:12:0, from arch/x86/include/asm/thread_info.h:12, from include/linux/thread_info.h:38, from arch/x86/include/asm/preempt.h:7, from include/linux/preempt.h:78, from include/linux/spinlock.h:51, from include/linux/irq.h:14, from drivers/memory/omap-gpmc.c:12: arch/x86/include/asm/page_64.h:12:22: note: previous declaration of ‘phys_base’ was here extern unsigned long phys_base; Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> --- drivers/memory/omap-gpmc.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c index fc08b5292932..8ec2ef2aebdd 100644 --- a/drivers/memory/omap-gpmc.c +++ b/drivers/memory/omap-gpmc.c @@ -242,7 +242,6 @@ static DEFINE_SPINLOCK(gpmc_mem_lock); /* Define chip-selects as reserved by default until probe completes */ static unsigned int gpmc_cs_num = GPMC_CS_NUM; static unsigned int gpmc_nr_waitpins; -static resource_size_t phys_base, mem_size; static unsigned gpmc_capability; static void __iomem *gpmc_base; @@ -2357,9 +2356,6 @@ static int gpmc_probe(struct platform_device *pdev) if (res == NULL) return -ENOENT; - phys_base = res->start; - mem_size = resource_size(res); - gpmc_base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(gpmc_base)) return PTR_ERR(gpmc_base); -- 2.17.1