diff options
| author |   Karun Eagalapati <karun256@gmail.com> | 2017-07-06 20:07:08 +0530 |
|---|---|---|
| committer |   Kalle Valo <kvalo@codeaurora.org> | 2017-07-28 17:22:34 +0300 |
| commit | f746606a51edf85de3a11f545e506be8f4dba219 (patch) | |
| tree | 791a4b820b561cfd6f542ac9c3e5905e38b31889 /drivers/net/wireless/rsi/rsi_91x_sdio.c | |
| parent | rsi: chip reset for SDIO interface (diff) | |
| download | linux-dev-f746606a51edf85de3a11f545e506be8f4dba219.tar.xz linux-dev-f746606a51edf85de3a11f545e506be8f4dba219.zip | |
rsi: correct SDIO disconnect path handling
Sometimes it's observed that we get interrupt/Rx frame when device is
already detached from mac80211. In this case couple of error messages
are displayed in dmesg log. This patch corrects the order so that
disconnection will happen cleanly
Signed-off-by: Karun Eagalapati <karun256@gmail.com>
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/rsi/rsi_91x_sdio.c')
| -rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_sdio.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio.c b/drivers/net/wireless/rsi/rsi_91x_sdio.c index ebfd29cafbbe..f1ba8ac3783d 100644 --- a/drivers/net/wireless/rsi/rsi_91x_sdio.c +++ b/drivers/net/wireless/rsi/rsi_91x_sdio.c @@ -1026,17 +1026,26 @@ static void rsi_disconnect(struct sdio_func *pfunction) return; dev = (struct rsi_91x_sdiodev *)adapter->rsi_dev; + sdio_claim_host(pfunction); + sdio_release_irq(pfunction); + sdio_release_host(pfunction); + mdelay(10); - dev->write_fail = 2; rsi_mac80211_detach(adapter); + mdelay(10); - sdio_claim_host(pfunction); - sdio_release_irq(pfunction); - sdio_disable_func(pfunction); - rsi_91x_deinit(adapter); + /* Reset Chip */ rsi_reset_chip(adapter); + + /* Resetting to take care of the case, where-in driver is re-loaded */ + sdio_claim_host(pfunction); rsi_reset_card(pfunction); + sdio_disable_func(pfunction); sdio_release_host(pfunction); + dev->write_fail = 2; + rsi_91x_deinit(adapter); + rsi_dbg(ERR_ZONE, "##### RSI SDIO device disconnected #####\n"); + } #ifdef CONFIG_PM |