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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>
This commit is contained in:
Karun Eagalapati 2017-07-06 20:07:08 +05:30 committed by Kalle Valo
parent 49ddac0d4b
commit f746606a51
1 changed files with 17 additions and 8 deletions
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25
drivers/net/wireless/rsi/rsi_91x_sdio.c
View File

@ -1026,17 +1026,26 @@ static void rsi_disconnect(struct sdio_func *pfunction)
return;
dev = (struct rsi_91x_sdiodev *)adapter->rsi_dev;
dev->write_fail = 2;
rsi_mac80211_detach(adapter);
sdio_claim_host(pfunction);
sdio_release_irq(pfunction);
sdio_disable_func(pfunction);
rsi_91x_deinit(adapter);
rsi_reset_chip(adapter);
rsi_reset_card(pfunction);
sdio_release_host(pfunction);
mdelay(10);
rsi_mac80211_detach(adapter);
mdelay(10);
/* 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