net: ethernet: ti: cpsw: remove clk var from priv

There is no need to hold link to clk, it's used only once
while probe.

Reviewed-by: Mugunthan V N <mugunthanvnm@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 4f6a4c1008107980d1da73ef11b5b6e7e72fdbfa..0b6958d6834e738ca6403b8e27aee3e632622a10 100644 (file)
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -379,7 +379,6 @@ struct cpsw_priv {
        u32                             coal_intvl;
        u32                             bus_freq_mhz;
        int                             rx_packet_max;
-       struct clk                      *clk;
        u8                              mac_addr[ETH_ALEN];
        struct cpsw_slave               *slaves;
        struct cpdma_ctlr               *dma;
@@ -2177,8 +2176,6 @@ static int cpsw_probe_dual_emac(struct platform_device *pdev,
        memcpy(ndev->dev_addr, priv_sl2->mac_addr, ETH_ALEN);
 
        priv_sl2->slaves = priv->slaves;
-       priv_sl2->clk = priv->clk;
-
        priv_sl2->coal_intvl = 0;
        priv_sl2->bus_freq_mhz = priv->bus_freq_mhz;
 
@@ -2256,6 +2253,7 @@ MODULE_DEVICE_TABLE(of, cpsw_of_mtable);
 
 static int cpsw_probe(struct platform_device *pdev)
 {
+       struct clk                      *clk;
        struct cpsw_platform_data       *data;
        struct net_device               *ndev;
        struct cpsw_priv                *priv;
@@ -2334,14 +2332,14 @@ static int cpsw_probe(struct platform_device *pdev)
        priv->slaves[0].ndev = ndev;
        priv->emac_port = 0;
 
-       priv->clk = devm_clk_get(&pdev->dev, "fck");
-       if (IS_ERR(priv->clk)) {
+       clk = devm_clk_get(&pdev->dev, "fck");
+       if (IS_ERR(clk)) {
                dev_err(priv->dev, "fck is not found\n");
                ret = -ENODEV;
                goto clean_runtime_disable_ret;
        }
        priv->coal_intvl = 0;
-       priv->bus_freq_mhz = clk_get_rate(priv->clk) / 1000000;
+       priv->bus_freq_mhz = clk_get_rate(clk) / 1000000;
 
        ss_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        ss_regs = devm_ioremap_resource(&pdev->dev, ss_res);