linux-kernel - [PATCH 2/3] alpha, drm: Remove obsolete Alpha support in MGA DRM code

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Message-ID: <20110609181912.2dfad4fe.jay.estabrook_gmail.com@gmail.com>
Date:	Thu, 9 Jun 2011 18:19:12 -0400
From:	Jay Estabrook <jay.estabrook@...il.com>
To:	linux-alpha <linux-alpha@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	dri-devel <dri-devel@...ts.freedesktop.org>
Cc:	Matt Turner <mattst88@...il.com>,
	Richard Henderson <rth@...ddle.net>,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	Jay Estabrook <jay.estabrook@...il.com>, airlied@...ux.ie
Subject: [PATCH 2/3] alpha, drm: Remove obsolete Alpha support in MGA DRM
 code


Remove an obsolete Alpha adjustment in the drm for MGA on Alpha.

Signed-off-by: Jay Estabrook <jay.estabrook@...il.com>
---
 drivers/gpu/drm/mga/mga_drv.h |   19 -------------------
 1 file changed, 19 deletions(-)

diff -Naurp a/drivers/gpu/drm/mga/mga_drv.h b/drivers/gpu/drm/mga/mga_drv.h
--- a/drivers/gpu/drm/mga/mga_drv.h	2011-04-26 23:48:50.000000000 -0400
+++ b/drivers/gpu/drm/mga/mga_drv.h	2011-05-02 11:51:48.000000000 -0400
@@ -195,29 +195,10 @@ extern long mga_compat_ioctl(struct file
 
 #define mga_flush_write_combine()	DRM_WRITEMEMORYBARRIER()
 
-#if defined(__linux__) && defined(__alpha__)
-#define MGA_BASE(reg)		((unsigned long)(dev_priv->mmio->handle))
-#define MGA_ADDR(reg)		(MGA_BASE(reg) + reg)
-
-#define MGA_DEREF(reg)		(*(volatile u32 *)MGA_ADDR(reg))
-#define MGA_DEREF8(reg)		(*(volatile u8 *)MGA_ADDR(reg))
-
-#define MGA_READ(reg)		(_MGA_READ((u32 *)MGA_ADDR(reg)))
-#define MGA_READ8(reg)		(_MGA_READ((u8 *)MGA_ADDR(reg)))
-#define MGA_WRITE(reg, val)	do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF(reg) = val; } while (0)
-#define MGA_WRITE8(reg, val)	do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF8(reg) = val; } while (0)
-
-static inline u32 _MGA_READ(u32 *addr)
-{
-	DRM_MEMORYBARRIER();
-	return *(volatile u32 *)addr;
-}
-#else
 #define MGA_READ8(reg)		DRM_READ8(dev_priv->mmio, (reg))
 #define MGA_READ(reg)		DRM_READ32(dev_priv->mmio, (reg))
 #define MGA_WRITE8(reg, val)	DRM_WRITE8(dev_priv->mmio, (reg), (val))
 #define MGA_WRITE(reg, val)	DRM_WRITE32(dev_priv->mmio, (reg), (val))
-#endif
 
 #define DWGREG0		0x1c00
 #define DWGREG0_END	0x1dff

---
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