mmc_do_hw_reset, mmc_power_up and mmc_power_off all set the same group of initial values, simplify by sticking them together.
Signed-off-by: Johan Rudholm <[email protected]> --- drivers/mmc/core/core.c | 49 +++++++++++++++++++++++------------------------ drivers/mmc/core/core.h | 1 + 2 files changed, 25 insertions(+), 25 deletions(-) diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 5d215ee..2c39d26 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -1088,6 +1088,24 @@ void mmc_set_bus_width(struct mmc_host *host, unsigned int width) mmc_host_clk_release(host); } +/* + * Set initial state after a power cycle or a hw_reset. + */ +void mmc_set_initial_state(struct mmc_host *host) +{ + if (mmc_host_is_spi(host)) { + host->ios.chip_select = MMC_CS_HIGH; + host->ios.bus_mode = MMC_BUSMODE_PUSHPULL; + } else { + host->ios.chip_select = MMC_CS_DONTCARE; + host->ios.bus_mode = MMC_BUSMODE_OPENDRAIN; + } + host->ios.bus_width = MMC_BUS_WIDTH_1; + host->ios.timing = MMC_TIMING_LEGACY; + + mmc_set_ios(host); +} + /** * mmc_vdd_to_ocrbitnum - Convert a voltage to the OCR bit number * @vdd: voltage (mV) @@ -1534,15 +1552,9 @@ void mmc_power_up(struct mmc_host *host, u32 ocr) mmc_host_clk_hold(host); host->ios.vdd = fls(ocr) - 1; - if (mmc_host_is_spi(host)) - host->ios.chip_select = MMC_CS_HIGH; - else - host->ios.chip_select = MMC_CS_DONTCARE; - host->ios.bus_mode = MMC_BUSMODE_PUSHPULL; host->ios.power_mode = MMC_POWER_UP; - host->ios.bus_width = MMC_BUS_WIDTH_1; - host->ios.timing = MMC_TIMING_LEGACY; - mmc_set_ios(host); + /* Set initial state and call mmc_set_ios */ + mmc_set_initial_state(host); /* Try to set signal voltage to 3.3V but fall back to 1.8v or 1.2v */ if (__mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_330) == 0) @@ -1582,14 +1594,9 @@ void mmc_power_off(struct mmc_host *host) host->ios.clock = 0; host->ios.vdd = 0; - if (!mmc_host_is_spi(host)) { - host->ios.bus_mode = MMC_BUSMODE_OPENDRAIN; - host->ios.chip_select = MMC_CS_DONTCARE; - } host->ios.power_mode = MMC_POWER_OFF; - host->ios.bus_width = MMC_BUS_WIDTH_1; - host->ios.timing = MMC_TIMING_LEGACY; - mmc_set_ios(host); + /* Set initial state and call mmc_set_ios */ + mmc_set_initial_state(host); /* * Some configurations, such as the 802.11 SDIO card in the OLPC @@ -2273,16 +2280,8 @@ static int mmc_do_hw_reset(struct mmc_host *host, int check) } } - if (mmc_host_is_spi(host)) { - host->ios.chip_select = MMC_CS_HIGH; - host->ios.bus_mode = MMC_BUSMODE_PUSHPULL; - } else { - host->ios.chip_select = MMC_CS_DONTCARE; - host->ios.bus_mode = MMC_BUSMODE_OPENDRAIN; - } - host->ios.bus_width = MMC_BUS_WIDTH_1; - host->ios.timing = MMC_TIMING_LEGACY; - mmc_set_ios(host); + /* Set initial state and call mmc_set_ios */ + mmc_set_initial_state(host); mmc_host_clk_release(host); diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h index 443a584..d76597c 100644 --- a/drivers/mmc/core/core.h +++ b/drivers/mmc/core/core.h @@ -49,6 +49,7 @@ void mmc_set_driver_type(struct mmc_host *host, unsigned int drv_type); void mmc_power_up(struct mmc_host *host, u32 ocr); void mmc_power_off(struct mmc_host *host); void mmc_power_cycle(struct mmc_host *host, u32 ocr); +void mmc_set_initial_state(struct mmc_host *host); static inline void mmc_delay(unsigned int ms) { -- 1.7.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
