4.17-stable review patch. If anyone has any objections, please let me know.
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From: Guenter Roeck linux@roeck-us.net
commit 0a957467c5fd46142bc9c52758ffc552d4c5e2f7 upstream.
i8259.h uses inb/outb and thus needs to include asm/io.h to avoid the following build error, as seen with x86_64:defconfig and CONFIG_SMP=n.
In file included from drivers/rtc/rtc-cmos.c:45:0: arch/x86/include/asm/i8259.h: In function 'inb_pic': arch/x86/include/asm/i8259.h:32:24: error: implicit declaration of function 'inb'
arch/x86/include/asm/i8259.h: In function 'outb_pic': arch/x86/include/asm/i8259.h:45:2: error: implicit declaration of function 'outb'
Reported-by: Sebastian Gottschall s.gottschall@dd-wrt.com Suggested-by: Sebastian Gottschall s.gottschall@dd-wrt.com Fixes: 447ae3166702 ("x86: Don't include linux/irq.h from asm/hardirq.h") Signed-off-by: Guenter Roeck linux@roeck-us.net Signed-off-by: Linus Torvalds torvalds@linux-foundation.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- arch/x86/include/asm/i8259.h | 1 + 1 file changed, 1 insertion(+)
--- a/arch/x86/include/asm/i8259.h +++ b/arch/x86/include/asm/i8259.h @@ -3,6 +3,7 @@ #define _ASM_X86_I8259_H
#include <linux/delay.h> +#include <asm/io.h>
extern unsigned int cached_irq_mask;