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Commit 3eea3337 authored by Divy Le Ray's avatar Divy Le Ray Committed by David S. Miller
Browse files

cxgb3 - log and clear PEX errors 



Clear pciE PEX errors late at module load time.
Log details when PEX errors occur.

Signed-off-by: default avatarDivy Le Ray <divy@chelsio.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent a5a3b460

drivers/net/cxgb3/t3_hw.c

+6 −0
Original line number Diff line number Diff line
@@ -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 */

}