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Message-ID: <20180516105919.25436-1-yuehaibing@huawei.com>
Date: Wed, 16 May 2018 18:59:19 +0800
From: YueHaibing <yuehaibing@...wei.com>
To: <peppe.cavallaro@...com>, <davem@...emloft.net>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<alexandre.torgue@...com>, YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH net-next] net: stmmac: Remove useless test before clk_disable_unprepare
clk_disable_unprepare() already checks that the clock pointer is valid.
No need to test it before calling it.
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c | 24 +++++++-----------------
1 file changed, 7 insertions(+), 17 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
index 13133b3..f08625a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
@@ -1104,30 +1104,20 @@ static int gmac_clk_enable(struct rk_priv_data *bsp_priv, bool enable)
} else {
if (bsp_priv->clk_enabled) {
if (phy_iface == PHY_INTERFACE_MODE_RMII) {
- if (!IS_ERR(bsp_priv->mac_clk_rx))
- clk_disable_unprepare(
- bsp_priv->mac_clk_rx);
+ clk_disable_unprepare(bsp_priv->mac_clk_rx);
- if (!IS_ERR(bsp_priv->clk_mac_ref))
- clk_disable_unprepare(
- bsp_priv->clk_mac_ref);
+ clk_disable_unprepare(bsp_priv->clk_mac_ref);
- if (!IS_ERR(bsp_priv->clk_mac_refout))
- clk_disable_unprepare(
- bsp_priv->clk_mac_refout);
+ clk_disable_unprepare(bsp_priv->clk_mac_refout);
}
- if (!IS_ERR(bsp_priv->clk_phy))
- clk_disable_unprepare(bsp_priv->clk_phy);
+ clk_disable_unprepare(bsp_priv->clk_phy);
- if (!IS_ERR(bsp_priv->aclk_mac))
- clk_disable_unprepare(bsp_priv->aclk_mac);
+ clk_disable_unprepare(bsp_priv->aclk_mac);
- if (!IS_ERR(bsp_priv->pclk_mac))
- clk_disable_unprepare(bsp_priv->pclk_mac);
+ clk_disable_unprepare(bsp_priv->pclk_mac);
- if (!IS_ERR(bsp_priv->mac_clk_tx))
- clk_disable_unprepare(bsp_priv->mac_clk_tx);
+ clk_disable_unprepare(bsp_priv->mac_clk_tx);
/**
* if (!IS_ERR(bsp_priv->clk_mac))
* clk_disable_unprepare(bsp_priv->clk_mac);
--
2.7.0
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