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mwifiex: pcie: add card_reset() support

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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@chromium.org>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Brian Norris 2017-05-01 12:37:00 -07:00 committed by Kalle Valo
parent 21f569af9a
commit 6d7d579a82
1 changed files with 19 additions and 0 deletions
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19
drivers/net/wireless/marvell/mwifiex/pcie.c
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@ -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 */
@ -2842,6 +2852,14 @@ 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_and_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;
@ -3271,6 +3289,7 @@ 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,