From 3435dd08092934ee9672fc28a3ee4c2017741bd6 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Mon, 12 Oct 2015 13:47:17 +0300 Subject: [PATCH] x86/early_printk: Set __iomem address space for IO There are following warnings on unpatched code: arch/x86/kernel/early_printk.c:198:32: warning: incorrect type in initializer (different address spaces) arch/x86/kernel/early_printk.c:198:32: expected void [noderef] *vaddr arch/x86/kernel/early_printk.c:198:32: got unsigned int [usertype] * arch/x86/kernel/early_printk.c:205:32: warning: incorrect type in initializer (different address spaces) arch/x86/kernel/early_printk.c:205:32: expected void [noderef] *vaddr arch/x86/kernel/early_printk.c:205:32: got unsigned int [usertype] * Annotate it proper. Signed-off-by: Andy Shevchenko Link: http://lkml.kernel.org/r/1444646837-42615-1-git-send-email-andriy.shevchenko@linux.intel.com Signed-off-by: Thomas Gleixner --- arch/x86/kernel/early_printk.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c index 076a4a739aa6..21bf92490a7b 100644 --- a/arch/x86/kernel/early_printk.c +++ b/arch/x86/kernel/early_printk.c @@ -195,14 +195,14 @@ static __init void early_serial_init(char *s) #ifdef CONFIG_PCI static void mem32_serial_out(unsigned long addr, int offset, int value) { - u32 *vaddr = (u32 *)addr; + u32 __iomem *vaddr = (u32 __iomem *)addr; /* shift implied by pointer type */ writel(value, vaddr + offset); } static unsigned int mem32_serial_in(unsigned long addr, int offset) { - u32 *vaddr = (u32 *)addr; + u32 __iomem *vaddr = (u32 __iomem *)addr; /* shift implied by pointer type */ return readl(vaddr + offset); } -- 2.11.0