4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Sanjeev Bansal sanjeevb.bansal@broadcom.com
[ Upstream commit 3a498606bb04af603a46ebde8296040b2de350d1 ]
This patch has fix for TX timeout while running bi-directional traffic with 100 Mbps using 5762.
Signed-off-by: Sanjeev Bansal sanjeevb.bansal@broadcom.com Signed-off-by: Siva Reddy Kallam siva.kallam@broadcom.com Reviewed-by: Michael Chan michael.chan@broadcom.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/broadcom/tg3.c | 9 +++++++++ 1 file changed, 9 insertions(+)
--- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -9276,6 +9276,15 @@ static int tg3_chip_reset(struct tg3 *tp
tg3_restore_clk(tp);
+ /* Increase the core clock speed to fix tx timeout issue for 5762 + * with 100Mbps link speed. + */ + if (tg3_asic_rev(tp) == ASIC_REV_5762) { + val = tr32(TG3_CPMU_CLCK_ORIDE_ENABLE); + tw32(TG3_CPMU_CLCK_ORIDE_ENABLE, val | + TG3_CPMU_MAC_ORIDE_ENABLE); + } + /* Reprobe ASF enable state. */ tg3_flag_clear(tp, ENABLE_ASF); tp->phy_flags &= ~(TG3_PHYFLG_1G_ON_VAUX_OK |