mwifiex: disable MSIx interrupt for 8997 chipset
authorShengzhen Li <szli@marvell.com>
Tue, 21 Jun 2016 09:02:32 +0000 (14:32 +0530)
committerKalle Valo <kvalo@codeaurora.org>
Tue, 5 Jul 2016 14:30:57 +0000 (17:30 +0300)
Sometimes MSIx interrupts are received out of order on multi-core
system. This creates a problem when there is a race between data
packet and SLEEP event from firmware. We will disable MSIx interrupt
mode to solve the problem and go with MSI mode.

Signed-off-by: Shengzhen Li <szli@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
drivers/net/wireless/marvell/mwifiex/pcie.h

index 2592e63c32cfa55febe4e68a58a344f1221a70ea..9c00c7ea7eccc50d11fdccaf680fa5668886da2a 100644 (file)
@@ -258,7 +258,7 @@ static const struct mwifiex_pcie_card_reg mwifiex_reg_8997 = {
        .fw_dump_end = 0xcff,
        .fw_dump_host_ready = 0xcc,
        .fw_dump_read_done = 0xdd,
-       .msix_support = 1,
+       .msix_support = 0,
 };
 
 static struct memory_type_mapping mem_type_mapping_tbl_w8897[] = {