From 4a7fe0576e936b7ef8220698132c183410fb1ede Mon Sep 17 00:00:00 2001
From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= <ville.syrjala@linux.intel.com>
Date: Mon, 8 Apr 2024 20:04:13 +0300
Subject: [PATCH] drm/hisilicon/kirin: Include linux/io.h for readl()/writel()
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Include linux/io.h for readl()/writel().

When built on x86_64 w/ COMPILE_TEST=y:
../drivers/gpu/drm/hisilicon/kirin/dw_dsi_reg.h:93:16: error: implicit declaration of function ‘readl’ [-Werror=implicit-function-declaration]
   93 |         orig = readl(addr);
      |                ^~~~~
../drivers/gpu/drm/hisilicon/kirin/dw_dsi_reg.h:96:9: error: implicit declaration of function ‘writel’ [-Werror=implicit-function-declaration]
   96 |         writel(tmp, addr);
      |         ^~~~~~

Cc: Xinliang Liu <xinliang.liu@linaro.org>
Cc: Tian Tao <tiantao6@hisilicon.com>
Cc: Xinwei Kong <kong.kongxinwei@hisilicon.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Yongqin Liu <yongqin.liu@linaro.org>
Cc: John Stultz <jstultz@google.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240408170426.9285-9-ville.syrjala@linux.intel.com
Acked-by: John Stultz <jstultz@google.com>
---
 drivers/gpu/drm/hisilicon/kirin/dw_dsi_reg.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/hisilicon/kirin/dw_dsi_reg.h b/drivers/gpu/drm/hisilicon/kirin/dw_dsi_reg.h
index d79fc031e53d..a87d1135856f 100644
--- a/drivers/gpu/drm/hisilicon/kirin/dw_dsi_reg.h
+++ b/drivers/gpu/drm/hisilicon/kirin/dw_dsi_reg.h
@@ -7,6 +7,8 @@
 #ifndef __DW_DSI_REG_H__
 #define __DW_DSI_REG_H__
 
+#include <linux/io.h>
+
 #define MASK(x)				(BIT(x) - 1)
 
 /*
-- 
2.47.3