From: Xinming Hu <huxm@xxxxxxxxxxx>
If we are not able to read registers or PCIe memory,
it means PCIe device is in bad state. We will skip
firmware dump in this case.
Signed-off-by: Xinming Hu <huxm@xxxxxxxxxxx>
Signed-off-by: Cathy Luo <cluo@xxxxxxxxxxx>
Signed-off-by: Amitkumar Karwar <akarwar@xxxxxxxxxxx>
---
drivers/net/wireless/marvell/mwifiex/pcie.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c
index b9fe181..a18d944 100644
--- a/drivers/net/wireless/marvell/mwifiex/pcie.c
+++ b/drivers/net/wireless/marvell/mwifiex/pcie.c
@@ -2366,9 +2366,13 @@ mwifiex_pcie_rdwr_firmware(struct mwifiex_adapter *adapter, u8 doneflag)
{
int ret, tries;
u8 ctrl_data;
+ u32 fw_status;
struct pcie_service_card *card = adapter->card;
const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
+ if (mwifiex_read_reg(adapter, reg->fw_status, &fw_status))
+ return RDWR_STATUS_FAILURE;
+
ret = mwifiex_write_reg(adapter, reg->fw_dump_ctrl, FW_DUMP_HOST_READY);
if (ret) {
mwifiex_dbg(adapter, ERROR,
--
1.8.1.4
--
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