From 3eea3337a08a2ed2addac1551a9d446f2c16acd5 Mon Sep 17 00:00:00 2001
From: Divy Le Ray <divy@chelsio.com>
Date: Wed, 5 Sep 2007 15:58:15 -0700
Subject: [PATCH] cxgb3 - log and clear PEX errors
Clear pciE PEX errors late at module load time.
Log details when PEX errors occur.
Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---
drivers/net/cxgb3/t3_hw.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index 2b49b96a6fdb..cdcfc132e37d 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -1358,6 +1358,10 @@ static void pcie_intr_handler(struct adapter *adapter)
{0}
};
+ if (t3_read_reg(adapter, A_PCIE_INT_CAUSE) & F_PEXERR)
+ CH_ALERT(adapter, "PEX error code 0x%x\n",
+ t3_read_reg(adapter, A_PCIE_PEX_ERR));
+
if (t3_handle_intr_status(adapter, A_PCIE_INT_CAUSE, PCIE_INTR_MASK,
pcie_intr_info, adapter->irq_stats))
t3_fatal_err(adapter);
@@ -1809,6 +1813,8 @@ void t3_intr_clear(struct adapter *adapter)
for (i = 0; i < ARRAY_SIZE(cause_reg_addr); ++i)
t3_write_reg(adapter, cause_reg_addr[i], 0xffffffff);
+ if (is_pcie(adapter))
+ t3_write_reg(adapter, A_PCIE_PEX_ERR, 0xffffffff);
t3_write_reg(adapter, A_PL_INT_CAUSE0, 0xffffffff);
t3_read_reg(adapter, A_PL_INT_CAUSE0); /* flush */
}
--
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