--- a/drivers/net/ethernet/ibm/emac/core.c +++ b/drivers/net/ethernet/ibm/emac/core.c @@ -129,6 +129,7 @@ static inline void emac_report_timeout_e { if (emac_has_feature(dev, EMAC_FTR_440GX_PHY_CLK_FIX | EMAC_FTR_460EX_PHY_CLK_FIX | + EMAC_FTR_APM821XX_PHY_CLK_FIX | EMAC_FTR_440EP_PHY_CLK_FIX)) DBG(dev, "%s" NL, error); else if (net_ratelimit()) @@ -146,6 +147,10 @@ static inline void emac_rx_clk_tx(struct if (emac_has_feature(dev, EMAC_FTR_440EP_PHY_CLK_FIX)) dcri_clrset(SDR0, SDR0_MFR, 0, SDR0_MFR_ECS >> dev->cell_index); + + if (emac_has_feature(dev, EMAC_FTR_APM821XX_PHY_CLK_FIX)) + dcri_clrset(SDR0, SDR0_ETH_CFG, + 0, 0x00000100 >> dev->cell_index); #endif } @@ -155,6 +160,10 @@ static inline void emac_rx_clk_default(s if (emac_has_feature(dev, EMAC_FTR_440EP_PHY_CLK_FIX)) dcri_clrset(SDR0, SDR0_MFR, SDR0_MFR_ECS >> dev->cell_index, 0); + + if (emac_has_feature(dev, EMAC_FTR_APM821XX_PHY_CLK_FIX)) + dcri_clrset(SDR0, SDR0_ETH_CFG, + 0x00000100 >> dev->cell_index, 0); #endif } @@ -2587,7 +2596,7 @@ static int emac_init_config(struct emac_ if (of_device_is_compatible(np, "ibm,emac-apm821xx")) { dev->features |= (EMAC_APM821XX_REQ_JUMBO_FRAME_SIZE | EMAC_FTR_APM821XX_NO_HALF_DUPLEX | - EMAC_FTR_460EX_PHY_CLK_FIX); + EMAC_FTR_APM821XX_PHY_CLK_FIX); } } else if (of_device_is_compatible(np, "ibm,emac4")) { dev->features |= EMAC_FTR_EMAC4; --- a/drivers/net/ethernet/ibm/emac/core.h +++ b/drivers/net/ethernet/ibm/emac/core.h @@ -333,6 +333,8 @@ struct emac_instance { */ #define EMAC_FTR_APM821XX_NO_HALF_DUPLEX 0x00001000 +#define EMAC_FTR_APM821XX_PHY_CLK_FIX 0x000002000 + /* Right now, we don't quite handle the always/possible masks on the * most optimal way as we don't have a way to say something like * always EMAC4. Patches welcome.