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bcma: export PLL reading function

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This is required by NAND flash driver for initializing wait counters.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
This commit is contained in:
Rafał Miłecki 2012-11-12 13:03:20 +01:00 • committed by Artem Bityutskiy
parent 60768368b7
commit 8d4b9e3182
2 changed files with 3 additions and 1 deletions
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3
drivers/bcma/driver_chipcommon_pmu.c
View file

@ -13,12 +13,13 @@
#include <linux/export.h> #include <linux/export.h>
#include <linux/bcma/bcma.h> #include <linux/bcma/bcma.h>
static u32 bcma_chipco_pll_read(struct bcma_drv_cc *cc, u32 offset) u32 bcma_chipco_pll_read(struct bcma_drv_cc *cc, u32 offset)
{ {
bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset); bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset);
bcma_cc_read32(cc, BCMA_CC_PLLCTL_ADDR); bcma_cc_read32(cc, BCMA_CC_PLLCTL_ADDR);
return bcma_cc_read32(cc, BCMA_CC_PLLCTL_DATA); return bcma_cc_read32(cc, BCMA_CC_PLLCTL_DATA);
} }
EXPORT_SYMBOL_GPL(bcma_chipco_pll_read);
void bcma_chipco_pll_write(struct bcma_drv_cc *cc, u32 offset, u32 value) void bcma_chipco_pll_write(struct bcma_drv_cc *cc, u32 offset, u32 value)
{ {

1
include/linux/bcma/bcma.h
View file

@ -345,6 +345,7 @@ extern void bcma_core_set_clockmode(struct bcma_device *core,
enum bcma_clkmode clkmode); enum bcma_clkmode clkmode);
extern void bcma_core_pll_ctl(struct bcma_device *core, u32 req, u32 status, extern void bcma_core_pll_ctl(struct bcma_device *core, u32 req, u32 status,
bool on); bool on);
extern u32 bcma_chipco_pll_read(struct bcma_drv_cc *cc, u32 offset);
#define BCMA_DMA_TRANSLATION_MASK 0xC0000000 #define BCMA_DMA_TRANSLATION_MASK 0xC0000000
#define BCMA_DMA_TRANSLATION_NONE 0x00000000 #define BCMA_DMA_TRANSLATION_NONE 0x00000000
#define BCMA_DMA_TRANSLATION_DMA32_CMT 0x40000000 /* Client Mode Translation for 32-bit DMA */ #define BCMA_DMA_TRANSLATION_DMA32_CMT 0x40000000 /* Client Mode Translation for 32-bit DMA */