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mmc: sunxi: Move clock configuration to a function

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In order to improve readibility and reusability, let's move the clock setup
to a small function called by our .set_ios hook.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Maxime Ripard 2018-04-16 16:23:02 +02:00 committed by Ulf Hansson
parent 3f6c808e52
commit ad04d9555d
1 changed files with 18 additions and 15 deletions
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33
drivers/mmc/host/sunxi-mmc.c
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@ -871,6 +871,23 @@ static void sunxi_mmc_set_bus_width(struct sunxi_mmc_host *host,
}
}
static void sunxi_mmc_set_clk(struct sunxi_mmc_host *host, struct mmc_ios *ios)
{
u32 rval;
/* set ddr mode */
rval = mmc_readl(host, REG_GCTRL);
if (ios->timing == MMC_TIMING_UHS_DDR50 ||
ios->timing == MMC_TIMING_MMC_DDR52)
rval |= SDXC_DDR_MODE;
else
rval &= ~SDXC_DDR_MODE;
mmc_writel(host, REG_GCTRL, rval);
host->ferror = sunxi_mmc_clk_set_rate(host, ios);
/* Android code had a usleep_range(50000, 55000); here */
}
static void sunxi_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
{
struct sunxi_mmc_host *host = mmc_priv(mmc);
@ -920,21 +937,7 @@ static void sunxi_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
}
sunxi_mmc_set_bus_width(host, ios->bus_width);
/* set ddr mode */
rval = mmc_readl(host, REG_GCTRL);
if (ios->timing == MMC_TIMING_UHS_DDR50 ||
ios->timing == MMC_TIMING_MMC_DDR52)
rval |= SDXC_DDR_MODE;
else
rval &= ~SDXC_DDR_MODE;
mmc_writel(host, REG_GCTRL, rval);
/* set up clock */
if (ios->power_mode) {
host->ferror = sunxi_mmc_clk_set_rate(host, ios);
/* Android code had a usleep_range(50000, 55000); here */
}
sunxi_mmc_set_clk(host, ios);
}
static int sunxi_mmc_volt_switch(struct mmc_host *mmc, struct mmc_ios *ios)