tg3: Disable CLKREQ in L2
This patch disables CLKREQ in L2 to workaround a chipset bug.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 5d7f72a..8a6012a 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -1854,6 +1854,8 @@
#define TG3_PCIE_TLDLPL_PORT 0x00007c00
#define TG3_PCIE_PL_LO_PHYCTL1 0x00000004
#define TG3_PCIE_PL_LO_PHYCTL1_L1PLLPD_EN 0x00001000
+#define TG3_PCIE_PL_LO_PHYCTL5 0x00000014
+#define TG3_PCIE_PL_LO_PHYCTL5_DIS_L2CLKREQ 0x80000000
/* OTP bit definitions */
#define TG3_OTP_AGCTGT_MASK 0x000000e0