For SDIO IW416, in a corner case FW may return ready before complete full initialization. Command timeout may occur at driver load after reboot. Workaround by adding 100ms delay at checking FW status. Signed-off-by: David Lin <yu-hao.lin@xxxxxxx> --- drivers/net/wireless/marvell/mwifiex/sdio.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/marvell/mwifiex/sdio.c b/drivers/net/wireless/marvell/mwifiex/sdio.c index 6462a0ffe698..744e9403430a 100644 --- a/drivers/net/wireless/marvell/mwifiex/sdio.c +++ b/drivers/net/wireless/marvell/mwifiex/sdio.c @@ -783,6 +783,9 @@ static int mwifiex_check_fw_status(struct mwifiex_adapter *adapter, ret = -1; } + if (!ret) + msleep(100); + return ret; } base-commit: 783004b6dbda2cfe9a552a4cc9c1d168a2068f6c -- 2.25.1
