linux-kernel - [PATCH] drm: remove writeq/readq function definitions

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Message-Id: <20170602112510.17544-1-clabbe.montjoie@gmail.com>
Date:   Fri,  2 Jun 2017 13:25:10 +0200
From:   Corentin Labbe <clabbe.montjoie@...il.com>
To:     daniel.vetter@...el.com, jani.nikula@...ux.intel.com,
        seanpaul@...omium.org, airlied@...ux.ie
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Corentin Labbe <clabbe.montjoie@...il.com>
Subject: [PATCH] drm: remove writeq/readq function definitions

Instead of rewriting write/readq, use linux/io-64-nonatomic-lo-hi.h which
already have them.

Signed-off-by: Corentin Labbe <clabbe.montjoie@...il.com>
---
 include/drm/drm_os_linux.h | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/include/drm/drm_os_linux.h b/include/drm/drm_os_linux.h
index 35e1482ba8a1..10122353b744 100644
--- a/include/drm/drm_os_linux.h
+++ b/include/drm/drm_os_linux.h
@@ -6,19 +6,7 @@
 #include <linux/interrupt.h>	/* For task queue support */
 #include <linux/sched/signal.h>
 #include <linux/delay.h>
-
-#ifndef readq
-static inline u64 readq(void __iomem *reg)
-{
-	return ((u64) readl(reg)) | (((u64) readl(reg + 4UL)) << 32);
-}
-
-static inline void writeq(u64 val, void __iomem *reg)
-{
-	writel(val & 0xffffffff, reg);
-	writel(val >> 32, reg + 0x4UL);
-}
-#endif
+#include <linux/io-64-nonatomic-lo-hi.h>
 
 /** Current process ID */
 #define DRM_CURRENTPID			task_pid_nr(current)
-- 
2.13.0