diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-31 13:40:29 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-31 13:40:29 -0700 |
| commit | 57eb06e584be3b702d1ba5c39e0b57ddcdabdc66 (patch) | |
| tree | 2b438f438748ff0c9dec86ee44cfb615f7ccee46 /drivers/mmc/host/pxamci.c | |
| parent | 2ed45b07c957e37db88d7d3696b63eb79b0ef5ef (diff) | |
| parent | 558de8a74efe37a4b5e2ef944da17d23e701dd98 (diff) | |
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 4634/1: DaVinci GPIO header build fix
[ARM] 4636/1: pxa: add default configuration for zylonite
[ARM] 4635/1: pxa: Change Eric Miao's email address to eric.miao@marvell.com
[ARM] Fix assignment instead of condition in arm/mach-omap2/clock.c
[ARM] nommu: fix breakage caused by f9720205d1f847cb59e197e851b5276425363f6b
[ARM] pxa: shut up CLOCK_EVT_MODE_RESUME warning
[ARM] Fix FIQ issue with ARM926
[ARM] Fix pxamci regression
[ARM] Fix netx_defconfig regression
[ARM] Fix ateb9200_defconfig build regression
[ARM] Fix an rpc_defconfig regression
[ARM] Fix omap_h2_1610_defconfig regressions
[ARM] 4632/1: Fix a typo in include/asm-arm/plat-s3c/regs-nand.h
Diffstat (limited to 'drivers/mmc/host/pxamci.c')
| -rw-r--r-- | drivers/mmc/host/pxamci.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c index a25ee71998a..1654a333034 100644 --- a/drivers/mmc/host/pxamci.c +++ b/drivers/mmc/host/pxamci.c @@ -39,6 +39,7 @@ #define DRIVER_NAME "pxa2xx-mci" #define NR_SG 1 +#define CLKRT_OFF (~0) struct pxamci_host { struct mmc_host *mmc; @@ -371,6 +372,9 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) unsigned long rate = host->clkrate; unsigned int clk = rate / ios->clock; + if (host->clkrt == CLKRT_OFF) + clk_enable(host->clk); + /* * clk might result in a lower divisor than we * desire. check for that condition and adjust @@ -379,14 +383,16 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) if (rate / clk > ios->clock) clk <<= 1; host->clkrt = fls(clk) - 1; - clk_enable(host->clk); /* * we write clkrt on the next command */ } else { pxamci_stop_clock(host); - clk_disable(host->clk); + if (host->clkrt != CLKRT_OFF) { + host->clkrt = CLKRT_OFF; + clk_disable(host->clk); + } } if (host->power_mode != ios->power_mode) { @@ -498,6 +504,7 @@ static int pxamci_probe(struct platform_device *pdev) host->mmc = mmc; host->dma = -1; host->pdata = pdev->dev.platform_data; + host->clkrt = CLKRT_OFF; host->clk = clk_get(&pdev->dev, "MMCCLK"); if (IS_ERR(host->clk)) { |