Commit c7daaa27 authored Jul 16, 2018 by Sanjeev Bansal Committed by Greg Kroah-Hartman Jul 25, 2018

tg3: Add higher cpu clock for 5762.



[ 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>

parent c84c7d83

drivers/net/ethernet/broadcom/tg3.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -9279,6 +9279,15 @@ 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 \|