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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-12-16 11:04:49 +0100 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-12-16 11:04:49 +0100 |
| commit | 348324c5b10bcba8d9daabdfb85a6927311be34f (patch) | |
| tree | d06ca3a264407a14a1f36c1b798d6dc0dc1582d8 /drivers/mmc/host/sdhci-esdhc.h | |
| parent | Input: pmic8xxx-pwrkey - migrate to regmap APIs (diff) | |
| parent | Linux 3.13-rc4 (diff) | |
| download | linux-348324c5b10bcba8d9daabdfb85a6927311be34f.tar.xz linux-348324c5b10bcba8d9daabdfb85a6927311be34f.zip | |
Merge tag 'v3.13-rc4' into next
Synchronize with mainline to bring in the new keycode definitions and
new hwmon API.
Diffstat (limited to 'drivers/mmc/host/sdhci-esdhc.h')
| -rw-r--r-- | drivers/mmc/host/sdhci-esdhc.h | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/drivers/mmc/host/sdhci-esdhc.h b/drivers/mmc/host/sdhci-esdhc.h index a2a06420e463..a7d9f95a7b03 100644 --- a/drivers/mmc/host/sdhci-esdhc.h +++ b/drivers/mmc/host/sdhci-esdhc.h @@ -49,41 +49,4 @@ #define ESDHC_HOST_CONTROL_RES 0x05 -static inline void esdhc_set_clock(struct sdhci_host *host, unsigned int clock, - unsigned int host_clock) -{ - int pre_div = 2; - int div = 1; - u32 temp; - - if (clock == 0) - goto out; - - temp = sdhci_readl(host, ESDHC_SYSTEM_CONTROL); - temp &= ~(ESDHC_CLOCK_IPGEN | ESDHC_CLOCK_HCKEN | ESDHC_CLOCK_PEREN - | ESDHC_CLOCK_MASK); - sdhci_writel(host, temp, ESDHC_SYSTEM_CONTROL); - - while (host_clock / pre_div / 16 > clock && pre_div < 256) - pre_div *= 2; - - while (host_clock / pre_div / div > clock && div < 16) - div++; - - dev_dbg(mmc_dev(host->mmc), "desired SD clock: %d, actual: %d\n", - clock, host_clock / pre_div / div); - - pre_div >>= 1; - div--; - - temp = sdhci_readl(host, ESDHC_SYSTEM_CONTROL); - temp |= (ESDHC_CLOCK_IPGEN | ESDHC_CLOCK_HCKEN | ESDHC_CLOCK_PEREN - | (div << ESDHC_DIVIDER_SHIFT) - | (pre_div << ESDHC_PREDIV_SHIFT)); - sdhci_writel(host, temp, ESDHC_SYSTEM_CONTROL); - mdelay(1); -out: - host->clock = clock; -} - #endif /* _DRIVERS_MMC_SDHCI_ESDHC_H */ |