[PATCH net-next 04/10] tg3: Abort phy init for 5717 serdes devices
From: Matt Carlson <hidden>
Date: 2010-01-21 02:58:27
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
The 5717 serdes devices have a different phy register layout than all other previous serdes devices. This patch aborts the phy init sequence in tg3_phy_reset() if the device is a 5717 serdes. It also aborts the tg3_phy_toggle_apd() operation. Most other operations in the MII_SERDES path are O.K. Signed-off-by: Matt Carlson <redacted> Reviewed-by: Michael Chan <mchan@broadcom.com> Reviewed-by: Benjamin Li <redacted> --- drivers/net/tg3.c | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 4a65347..7a36bf4 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c@@ -1560,7 +1560,9 @@ static void tg3_phy_toggle_apd(struct tg3 *tp, bool enable) { u32 reg; - if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) + if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) || + (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 && + (tp->tg3_flags2 & TG3_FLG2_MII_SERDES))) return; if (tp->tg3_flags3 & TG3_FLG3_PHY_IS_FET) {
@@ -1935,6 +1937,10 @@ static int tg3_phy_reset(struct tg3 *tp) } } + if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 && + (tp->tg3_flags2 & TG3_FLG2_MII_SERDES)) + return 0; + tg3_phy_apply_otp(tp); if (tp->tg3_flags3 & TG3_FLG3_PHY_ENABLE_APD)
--
1.6.4.4