Similar to the SDIO driver, we should implement this so that we will
automatically reset the device whenever there's a command timeout or
similar.
Signed-off-by: Brian Norris <briannorris@xxxxxxxxxxxx>
---
I still haven't found the reset sequence to work 100% reliably, but it's
definitely better than nothing.
drivers/net/wireless/marvell/mwifiex/pcie.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c
index ac62bce50e96..aaec4fdd7777 100644
--- a/drivers/net/wireless/marvell/mwifiex/pcie.c
+++ b/drivers/net/wireless/marvell/mwifiex/pcie.c
@@ -2822,6 +2822,13 @@ static void mwifiex_pcie_device_dump_work(struct mwifiex_adapter *adapter)
mwifiex_upload_device_dump(adapter, drv_info, drv_info_size);
}
+static void mwifiex_pcie_card_reset_work(struct mwifiex_adapter *adapter)
+{
+ struct pcie_service_card *card = adapter->card;
+
+ pci_reset_function(card->dev);
+}
+
static void mwifiex_pcie_work(struct work_struct *work)
{
struct pcie_service_card *card =
@@ -2830,6 +2837,9 @@ static void mwifiex_pcie_work(struct work_struct *work)
if (test_and_clear_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP,
&card->work_flags))
mwifiex_pcie_device_dump_work(card->adapter);
+ if (test_and_clear_bit(MWIFIEX_IFACE_WORK_CARD_RESET,
+ &card->work_flags))
+ mwifiex_pcie_card_reset_work(card->adapter);
}
/* This function dumps FW information */
@@ -2845,6 +2855,18 @@ static void mwifiex_pcie_device_dump(struct mwifiex_adapter *adapter)
schedule_work(&card->work);
}
+static void mwifiex_pcie_card_reset(struct mwifiex_adapter *adapter)
+{
+ struct pcie_service_card *card = adapter->card;
+
+ if (test_bit(MWIFIEX_IFACE_WORK_CARD_RESET, &card->work_flags))
+ return;
+
+ set_bit(MWIFIEX_IFACE_WORK_CARD_RESET, &card->work_flags);
+
+ schedule_work(&card->work);
+}
+
static void mwifiex_pcie_free_buffers(struct mwifiex_adapter *adapter)
{
struct pcie_service_card *card = adapter->card;
@@ -3274,6 +3296,7 @@ static struct mwifiex_if_ops pcie_ops = {
.cleanup_mpa_buf = NULL,
.init_fw_port = mwifiex_pcie_init_fw_port,
.clean_pcie_ring = mwifiex_clean_pcie_ring_buf,
+ .card_reset = mwifiex_pcie_card_reset,
.reg_dump = mwifiex_pcie_reg_dump,
.device_dump = mwifiex_pcie_device_dump,
.down_dev = mwifiex_pcie_down_dev,
--
2.13.0.rc0.306.g87b477812d-goog
