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mwifiex: skip firmware dump when read_regs() fails 

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@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Xinming Hu 2016-02-02 22:05:04 -08:00 committed by Kalle Valo
parent af05148392
commit 0172404d79
1 changed files with 4 additions and 0 deletions
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4
drivers/net/wireless/marvell/mwifiex/pcie.c
View File

@ -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,