From: Biao Huang Date: Fri, 24 May 2019 06:26:09 +0000 (+0800) Subject: net: stmmac: dwmac-mediatek: modify csr_clk value to fix mdio read/write fail X-Git-Tag: v5.15~6256^2~29^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f4ca7a9260dfe700f2a16f0881825de625067515;p=platform%2Fkernel%2Flinux-starfive.git 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 Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c index bf25629..126b66b 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;