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authorMaxime Ripard2018-04-16 16:23:02 +0200
committerUlf Hansson2018-05-02 15:08:42 +0200
commitad04d9555da02c719de25b7d1e81ea8d0d2c4838 (patch)
tree3bb188880dd2ed120eb0995fc86d7adb0441403c /drivers/mmc/host/sunxi-mmc.c
parent3f6c808e524700cb4f45123f9390ff83289c31e5 (diff)
mmc: sunxi: Move clock configuration to a function
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>
Diffstat (limited to 'drivers/mmc/host/sunxi-mmc.c')
-rw-r--r--drivers/mmc/host/sunxi-mmc.c33
1 files changed, 18 insertions, 15 deletions
diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
index c0bb75e17a44..3c1ab46cc60a 100644
--- a/drivers/mmc/host/sunxi-mmc.c
+++ b/drivers/mmc/host/sunxi-mmc.c
@@ -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)