From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Fix build errors by #including <linux/io.h>. ../drivers/platform/x86/intel_punit_ipc.c: In function 'ipc_read_status': ../drivers/platform/x86/intel_punit_ipc.c:55:2: error: implicit declaration of function 'readl' [-Werror=implicit-function-declaration] return readl(ipcdev->base[type][BASE_IFACE]); ../drivers/platform/x86/intel_punit_ipc.c: In function 'ipc_write_cmd': ../drivers/platform/x86/intel_punit_ipc.c:60:2: error: implicit declaration of function 'writel' [-Werror=implicit-function-declaration] writel(cmd, ipcdev->base[type][BASE_IFACE]); Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Cc: Zha Qipeng <qipeng.zha@xxxxxxxxx> Cc: platform-driver-x86@xxxxxxxxxxxxxxx --- Found in linux-next but applies to current mainline also. drivers/platform/x86/intel_punit_ipc.c | 1 + 1 file changed, 1 insertion(+) --- linux-next-20180815.orig/drivers/platform/x86/intel_punit_ipc.c +++ linux-next-20180815/drivers/platform/x86/intel_punit_ipc.c @@ -18,6 +18,7 @@ #include <linux/bitops.h> #include <linux/device.h> #include <linux/interrupt.h> +#include <linux/io.h> #include <linux/platform_device.h> #include <asm/intel_punit_ipc.h>
