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path: root/drivers/net/wireless/marvell/mwifiex/sdio.c
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Diffstat (limited to 'drivers/net/wireless/marvell/mwifiex/sdio.c')
-rw-r--r--drivers/net/wireless/marvell/mwifiex/sdio.c33
1 files changed, 22 insertions, 11 deletions
diff --git a/drivers/net/wireless/marvell/mwifiex/sdio.c b/drivers/net/wireless/marvell/mwifiex/sdio.c
index 24c041dad9f6..fec38b6e86ff 100644
--- a/drivers/net/wireless/marvell/mwifiex/sdio.c
+++ b/drivers/net/wireless/marvell/mwifiex/sdio.c
@@ -444,6 +444,9 @@ static int mwifiex_sdio_suspend(struct device *dev)
return 0;
}
+ if (!adapter->is_up)
+ return -EBUSY;
+
mwifiex_enable_wake(adapter);
/* Enable the Host Sleep */
@@ -2220,22 +2223,30 @@ static void mwifiex_sdio_card_reset_work(struct mwifiex_adapter *adapter)
struct sdio_func *func = card->func;
int ret;
+ /* Prepare the adapter for the reset. */
mwifiex_shutdown_sw(adapter);
+ clear_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP, &card->work_flags);
+ clear_bit(MWIFIEX_IFACE_WORK_CARD_RESET, &card->work_flags);
- /* power cycle the adapter */
+ /* Run a HW reset of the SDIO interface. */
sdio_claim_host(func);
- mmc_hw_reset(func->card->host);
+ ret = mmc_hw_reset(func->card->host);
sdio_release_host(func);
- /* Previous save_adapter won't be valid after this. We will cancel
- * pending work requests.
- */
- clear_bit(MWIFIEX_IFACE_WORK_DEVICE_DUMP, &card->work_flags);
- clear_bit(MWIFIEX_IFACE_WORK_CARD_RESET, &card->work_flags);
-
- ret = mwifiex_reinit_sw(adapter);
- if (ret)
- dev_err(&func->dev, "reinit failed: %d\n", ret);
+ switch (ret) {
+ case 1:
+ dev_dbg(&func->dev, "SDIO HW reset asynchronous\n");
+ complete_all(adapter->fw_done);
+ break;
+ case 0:
+ ret = mwifiex_reinit_sw(adapter);
+ if (ret)
+ dev_err(&func->dev, "reinit failed: %d\n", ret);
+ break;
+ default:
+ dev_err(&func->dev, "SDIO HW reset failed: %d\n", ret);
+ break;
+ }
}
/* This function read/write firmware */