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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>
This commit is contained in:
Divy Le Ray 2007-09-05 15:58:15 -07:00 committed by David S. Miller
parent a5a3b4601b
commit 3eea3337a0
1 changed files with 6 additions and 0 deletions
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6
drivers/net/cxgb3/t3_hw.c
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@ -1358,6 +1358,10 @@ static void pcie_intr_handler(struct adapter *adapter)
{0} {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, if (t3_handle_intr_status(adapter, A_PCIE_INT_CAUSE, PCIE_INTR_MASK,
pcie_intr_info, adapter->irq_stats)) pcie_intr_info, adapter->irq_stats))
t3_fatal_err(adapter); 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) for (i = 0; i < ARRAY_SIZE(cause_reg_addr); ++i)
t3_write_reg(adapter, cause_reg_addr[i], 0xffffffff); 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_write_reg(adapter, A_PL_INT_CAUSE0, 0xffffffff);
t3_read_reg(adapter, A_PL_INT_CAUSE0); /* flush */ t3_read_reg(adapter, A_PL_INT_CAUSE0); /* flush */
} }