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authorMarek Vasut2018-06-13 08:02:55 +0200
committerMarek Vasut2018-11-02 16:07:04 +0100
commita376dde1deb9cc42e3804b9c654f873c936cc8d4 (patch)
tree41619b83454a6492735e574910035257e2cb070d /drivers/mmc/renesas-sdhi.c
parent2fc10754d1902ddc2aa3ecd2f0e976a1714a6780 (diff)
mmc: tmio: sdhi: Merge DTCNTL access into single register write
It is perfectly fine to write th DTCNTL TAP count and enable the SCC sampling clock operation in the same write. Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'drivers/mmc/renesas-sdhi.c')
-rw-r--r--drivers/mmc/renesas-sdhi.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c
index 63561e19c82..e7f96f8bf22 100644
--- a/drivers/mmc/renesas-sdhi.c
+++ b/drivers/mmc/renesas-sdhi.c
@@ -51,12 +51,9 @@ static unsigned int renesas_sdhi_init_tuning(struct tmio_sd_priv *priv)
tmio_sd_writel(priv, reg, TMIO_SD_CLKCTL);
/* Set sampling clock selection range */
- tmio_sd_writel(priv, 0x8 << RENESAS_SDHI_SCC_DTCNTL_TAPNUM_SHIFT,
- RENESAS_SDHI_SCC_DTCNTL);
-
- reg = tmio_sd_readl(priv, RENESAS_SDHI_SCC_DTCNTL);
- reg |= RENESAS_SDHI_SCC_DTCNTL_TAPEN;
- tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_DTCNTL);
+ tmio_sd_writel(priv, (0x8 << RENESAS_SDHI_SCC_DTCNTL_TAPNUM_SHIFT) |
+ RENESAS_SDHI_SCC_DTCNTL_TAPEN,
+ RENESAS_SDHI_SCC_DTCNTL);
reg = tmio_sd_readl(priv, RENESAS_SDHI_SCC_CKSEL);
reg |= RENESAS_SDHI_SCC_CKSEL_DTSEL;