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SubjectRe: [PATCH] gpmc, EXPORT_SYMBOLS, west bridge related
This patch exports some of the gpmc driver functions in OMAP3. The purpose behind this patch 
is to allow device drivers compiled as loadable modules to be interfaced to the GPMC. I am
hoping that Tony is the correct maintainer and willing to ACK this change. Please let me know
if there are any issues or concerns with this patch.

Signed-off-by: David Cross <>

diff -uprN -X linux-next-vanilla/Documentation/dontdiff linux-next-vanilla/arch/arm/mach-omap2/gpmc.c linux-next-incl-sdk/arch/arm/mach-omap2/gpmc.c
--- linux-next-vanilla/arch/arm/mach-omap2/gpmc.c 2010-08-31 19:32:51.000000000 -0700
+++ linux-next-incl-sdk/arch/arm/mach-omap2/gpmc.c 2010-09-01 16:10:21.000000000 -0700
@@ -133,6 +133,7 @@ void gpmc_cs_write_reg(int cs, int idx,
reg_addr = gpmc_base + GPMC_CS0_OFFSET + (cs * GPMC_CS_SIZE) + idx;
__raw_writel(val, reg_addr);

u32 gpmc_cs_read_reg(int cs, int idx)
@@ -141,6 +142,7 @@ u32 gpmc_cs_read_reg(int cs, int idx)
reg_addr = gpmc_base + GPMC_CS0_OFFSET + (cs * GPMC_CS_SIZE) + idx;
return __raw_readl(reg_addr);

/* TODO: Add support for gpmc_fck to clock framework and use it */
unsigned long gpmc_get_fclk_period(void)
@@ -294,6 +296,7 @@ int gpmc_cs_set_timings(int cs, const st

return 0;

static void gpmc_cs_enable_mem(int cs, u32 base, u32 size)

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