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authorBiao Huang <biao.huang@mediatek.com>2019-05-24 08:26:09 +0200
committerDavid S. Miller <davem@davemloft.net>2019-05-25 20:02:31 +0200
commitf4ca7a9260dfe700f2a16f0881825de625067515 (patch)
tree5c28de197a879032f2fa9be19eb49c6eddad048c
parentnet: stmmac: fix csr_clk can't be zero issue (diff)
downloadlinux-f4ca7a9260dfe700f2a16f0881825de625067515.tar.xz
linux-f4ca7a9260dfe700f2a16f0881825de625067515.zip
net: stmmac: dwmac-mediatek: modify csr_clk value to fix mdio read/write fail
1. the frequency of csr clock is 66.5MHz, so the csr_clk value should be 0 other than 5. 2. the csr_clk can be got from device tree, so remove initialization here. Fixes: 9992f37e346b ("stmmac: dwmac-mediatek: add support for mt2712") Signed-off-by: Biao Huang <biao.huang@mediatek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
index bf2562995fc8..126b66bb73a6 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
@@ -346,8 +346,6 @@ static int mediatek_dwmac_probe(struct platform_device *pdev)
return PTR_ERR(plat_dat);
plat_dat->interface = priv_plat->phy_mode;
- /* clk_csr_i = 250-300MHz & MDC = clk_csr_i/124 */
- plat_dat->clk_csr = 5;
plat_dat->has_gmac4 = 1;
plat_dat->has_gmac = 0;
plat_dat->pmt = 0;