Re: [PATCH v2 09/11] phy: rockchip-emmc: Minor code cleanup in rockchip_emmc_phy_power_on/off()

From: Shawn Lin
Date: Mon Jun 13 2016 - 20:36:24 EST


在 2016/6/14 7:04, Douglas Anderson 写道:
There's no reason to store the return value of rockchip_emmc_phy_power()
in a variable nor to check it. Just return it.

Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
---
Changes in v2:
- Move code cleanup before set phyctrl_frqsel based on card clock (Shawn)

Looks good to me.

Reviewed-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>


drivers/phy/phy-rockchip-emmc.c | 14 ++------------
1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/drivers/phy/phy-rockchip-emmc.c b/drivers/phy/phy-rockchip-emmc.c
index 2d059c046978..23fe50864526 100644
--- a/drivers/phy/phy-rockchip-emmc.c
+++ b/drivers/phy/phy-rockchip-emmc.c
@@ -169,20 +169,14 @@ static int rockchip_emmc_phy_power(struct rockchip_emmc_phy *rk_phy,
static int rockchip_emmc_phy_power_off(struct phy *phy)
{
struct rockchip_emmc_phy *rk_phy = phy_get_drvdata(phy);
- int ret = 0;

/* Power down emmc phy analog blocks */
- ret = rockchip_emmc_phy_power(rk_phy, PHYCTRL_PDB_PWR_OFF);
- if (ret)
- return ret;
-
- return 0;
+ return rockchip_emmc_phy_power(rk_phy, PHYCTRL_PDB_PWR_OFF);
}

static int rockchip_emmc_phy_power_on(struct phy *phy)
{
struct rockchip_emmc_phy *rk_phy = phy_get_drvdata(phy);
- int ret = 0;

/* DLL operation: 200 MHz */
regmap_write(rk_phy->reg_base,
@@ -213,11 +207,7 @@ static int rockchip_emmc_phy_power_on(struct phy *phy)
PHYCTRL_OTAPDLYSEL_SHIFT));

/* Power up emmc phy analog blocks */
- ret = rockchip_emmc_phy_power(rk_phy, PHYCTRL_PDB_PWR_ON);
- if (ret)
- return ret;
-
- return 0;
+ return rockchip_emmc_phy_power(rk_phy, PHYCTRL_PDB_PWR_ON);
}

static const struct phy_ops ops = {



--
Best Regards
Shawn Lin