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video, sm501: add I/O functions for use on powerpc

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- add read/write functions for using this driver
  also on powerpc plattforms

Signed-off-by: Heiko Schocher <hs@denx.de>
cc: linux-fbdev@vger.kernel.org
cc: devicetree-discuss@ozlabs.org
cc: Ben Dooks <ben@simtec.co.uk>
cc: Vincent Sanders <vince@simtec.co.uk>
cc: Samuel Ortiz <sameo@linux.intel.com>
cc: linux-kernel@vger.kernel.org
cc: Randy Dunlap <rdunlap@xenotime.net>
cc: Paul Mundt <lethal@linux-sh.org>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Heiko Schocher
2011-01-24 09:57:20 +00:00
committed by Paul Mundt
parent dfc906daee
commit bf5f001904
3 changed files with 161 additions and 144 deletions
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8
include/linux/sm501.h
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@@ -172,3 +172,11 @@ struct sm501_platdata {
struct sm501_platdata_gpio_i2c *gpio_i2c;
unsigned int gpio_i2c_nr;
};
#if defined(CONFIG_PPC32)
#define smc501_readl(addr) ioread32be((addr))
#define smc501_writel(val, addr) iowrite32be((val), (addr))
#else
#define smc501_readl(addr) readl(addr)
#define smc501_writel(val, addr) writel(val, addr)
#endif