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r8169: fix firmware not resetting tp->ocp_base

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Typically the firmware takes care that tp->ocp_base is reset to its
default value. That's not the case (at least) for RTL8117.
As a result subsequent PHY access reads/writes the wrong page and
the link is broken. Fix this be resetting tp->ocp_base explicitly.

Fixes: 229c1e0dfd ("r8169: load firmware for RTL8168fp/RTL8117")
Reported-by: Aaron Ma <mapengyu@gmail.com>
Tested-by: Aaron Ma <mapengyu@gmail.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Heiner Kallweit 2020-06-18 23:25:50 +02:00 committed by David S. Miller
parent 8b40eb7350
commit 89fbd26cca
1 changed files with 4 additions and 1 deletions
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5
drivers/net/ethernet/realtek/r8169_main.c
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@ -2114,8 +2114,11 @@ static void rtl_release_firmware(struct rtl8169_private *tp)
void r8169_apply_firmware(struct rtl8169_private *tp)
{
/* TODO: release firmware if rtl_fw_write_firmware signals failure. */
if (tp->rtl_fw)
if (tp->rtl_fw) {
rtl_fw_write_firmware(tp, tp->rtl_fw);
/* At least one firmware doesn't reset tp->ocp_base. */
tp->ocp_base = OCP_STD_PHY_BASE;
}
}
static void rtl8168_config_eee_mac(struct rtl8169_private *tp)