From: Chunhao Lin <hau@realtek.com>
To: <netdev@vger.kernel.org>
Cc: <nic_swsd@realtek.com>, <linux-kernel@vger.kernel.org>,
Chunhao Lin <hau@realtek.com>
Subject: [PATCH net] r8169: fix RTL8168EP take too long to complete driver initialization.
Date: Wed, 31 Jan 2018 01:32:36 +0800 [thread overview]
Message-ID: <1517333556-4378-1-git-send-email-hau@realtek.com> (raw)
Driver check the wrong register bit in rtl_ocp_tx_cond() that keep driver
waiting until timeout.
Fix this by waiting for the right register bit.
Signed-off-by: Chunhao Lin <hau@realtek.com>
---
drivers/net/ethernet/realtek/r8169.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 734286e..dd713df 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -1395,7 +1395,7 @@ DECLARE_RTL_COND(rtl_ocp_tx_cond)
{
void __iomem *ioaddr = tp->mmio_addr;
- return RTL_R8(IBISR0) & 0x02;
+ return RTL_R8(IBISR0) & 0x20;
}
static void rtl8168ep_stop_cmac(struct rtl8169_private *tp)
@@ -1403,7 +1403,7 @@ static void rtl8168ep_stop_cmac(struct rtl8169_private *tp)
void __iomem *ioaddr = tp->mmio_addr;
RTL_W8(IBCR2, RTL_R8(IBCR2) & ~0x01);
- rtl_msleep_loop_wait_low(tp, &rtl_ocp_tx_cond, 50, 2000);
+ rtl_msleep_loop_wait_high(tp, &rtl_ocp_tx_cond, 50, 2000);
RTL_W8(IBISR0, RTL_R8(IBISR0) | 0x20);
RTL_W8(IBCR0, RTL_R8(IBCR0) & ~0x01);
}
--
2.7.4
next reply other threads:[~2018-01-30 17:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-30 17:32 Chunhao Lin [this message]
2018-01-31 15:32 ` David Miller
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