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authorJoachim Eastwood <manabian@gmail.com>2016-11-04 20:54:06 +0300
committerDavid S. Miller <davem@davemloft.net>2016-11-07 06:00:15 +0300
commitb211aa655d264bd2a1f8b05eb75aeda508bd0ade (patch)
treec4658ebc85c0fab55bc0404e79f309aaae7210f1 /drivers
parenta4c48ad7370ba57ad899c2a4abd223ba7c6d9c32 (diff)
downloadlinux-b211aa655d264bd2a1f8b05eb75aeda508bd0ade.tar.xz
stmmac: dwmac-sti: remove clk NULL checks
Since sti_dwmac_parse_data() sets dwmac->clk to NULL if not clock was provided in DT and NULL is a valid clock there is no need to check for NULL before using this clock. Signed-off-by: Joachim Eastwood <manabian@gmail.com> Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Tested-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c
index 075ed425d39b..f009bf467ba0 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c
@@ -191,7 +191,7 @@ static void stih4xx_fix_retime_src(void *priv, u32 spd)
}
}
- if (src == TX_RETIME_SRC_CLKGEN && dwmac->clk && freq)
+ if (src == TX_RETIME_SRC_CLKGEN && freq)
clk_set_rate(dwmac->clk, freq);
regmap_update_bits(dwmac->regmap, reg, STIH4XX_RETIME_SRC_MASK,
@@ -222,7 +222,7 @@ static void stid127_fix_retime_src(void *priv, u32 spd)
freq = DWMAC_2_5MHZ;
}
- if (dwmac->clk && freq)
+ if (freq)
clk_set_rate(dwmac->clk, freq);
regmap_update_bits(dwmac->regmap, reg, STID127_RETIME_SRC_MASK, val);
@@ -238,8 +238,7 @@ static int sti_dwmac_init(struct platform_device *pdev, void *priv)
u32 reg = dwmac->ctrl_reg;
u32 val;
- if (dwmac->clk)
- clk_prepare_enable(dwmac->clk);
+ clk_prepare_enable(dwmac->clk);
if (of_property_read_bool(np, "st,gmac_en"))
regmap_update_bits(regmap, reg, EN_MASK, EN);
@@ -258,8 +257,7 @@ static void sti_dwmac_exit(struct platform_device *pdev, void *priv)
{
struct sti_dwmac *dwmac = priv;
- if (dwmac->clk)
- clk_disable_unprepare(dwmac->clk);
+ clk_disable_unprepare(dwmac->clk);
}
static int sti_dwmac_parse_data(struct sti_dwmac *dwmac,
struct platform_device *pdev)