linux-kernel - [PATCH] platform/x86: fix intel_punit

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Date:   Wed, 15 Aug 2018 09:12:07 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     LKML <linux-kernel@...r.kernel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>
Cc:     Zha Qipeng <qipeng.zha@...el.com>,
        Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>
Subject: [PATCH] platform/x86: fix intel_punit_ipc.c build errors

From: Randy Dunlap <rdunlap@...radead.org>

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@...radead.org>
Cc: Zha Qipeng <qipeng.zha@...el.com>
Cc: platform-driver-x86@...r.kernel.org
---
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>