diff options
Diffstat (limited to 'drivers/mmc/host/sdhci-esdhc.h')
| -rw-r--r-- | drivers/mmc/host/sdhci-esdhc.h | 41 |
1 files changed, 1 insertions, 40 deletions
diff --git a/drivers/mmc/host/sdhci-esdhc.h b/drivers/mmc/host/sdhci-esdhc.h index a2a06420e46..3497cfaf683 100644 --- a/drivers/mmc/host/sdhci-esdhc.h +++ b/drivers/mmc/host/sdhci-esdhc.h @@ -20,10 +20,8 @@ #define ESDHC_DEFAULT_QUIRKS (SDHCI_QUIRK_FORCE_BLK_SZ_2048 | \ SDHCI_QUIRK_NO_BUSY_IRQ | \ - SDHCI_QUIRK_NONSTANDARD_CLOCK | \ SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | \ - SDHCI_QUIRK_PIO_NEEDS_DELAY | \ - SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET) + SDHCI_QUIRK_PIO_NEEDS_DELAY) #define ESDHC_SYSTEM_CONTROL 0x2c #define ESDHC_CLOCK_MASK 0x0000fff0 @@ -49,41 +47,4 @@ #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 */ |