leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

wl1271: Fix IRQ enable handling on FW init failure

Browse Source 
Disable IRQ's after FW initialization failure - originally this was not
done in all cases, and it resulted in a kernel warning if firmware
initialization was tried again without reboot.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Juuso Oikarinen 2009-10-13 12:47:45 +03:00 committed by John W. Linville
parent 8a08048a37
commit eb5b28d021
3 changed files with 35 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/wireless/wl12xx/wl1271_boot.c
View File

@ -400,9 +400,6 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
* ready to receive event from the command mailbox
*/
/* enable gpio interrupts */
wl1271_boot_enable_interrupts(wl);
/* unmask required mbox events */
wl->event_mask = BSS_LOSE_EVENT_ID |
SCAN_COMPLETE_EVENT_ID;
@ -540,6 +537,9 @@ int wl1271_boot(struct wl1271 *wl)
if (ret < 0)
goto out;
/* Enable firmware interrupts now */
wl1271_boot_enable_interrupts(wl);
/* set the wl1271 default filters */
wl->rx_config = WL1271_DEFAULT_RX_CONFIG;
wl->rx_filter = WL1271_DEFAULT_RX_FILTER;

38
drivers/net/wireless/wl12xx/wl1271_main.c
View File

@ -625,7 +625,7 @@ static int wl1271_chip_wakeup(struct wl1271 *wl)
ret = wl1271_setup(wl);
if (ret < 0)
goto out;
goto out_power_off;
break;
case CHIP_ID_1271_PG20:
wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)",
@ -633,27 +633,32 @@ static int wl1271_chip_wakeup(struct wl1271 *wl)
ret = wl1271_setup(wl);
if (ret < 0)
goto out;
goto out_power_off;
break;
default:
wl1271_error("unsupported chip id: 0x%x", wl->chip.id);
ret = -ENODEV;
goto out;
goto out_power_off;
}
if (wl->fw == NULL) {
ret = wl1271_fetch_firmware(wl);
if (ret < 0)
goto out;
goto out_power_off;
}
/* No NVS from netlink, try to get it from the filesystem */
if (wl->nvs == NULL) {
ret = wl1271_fetch_nvs(wl);
if (ret < 0)
goto out;
goto out_power_off;
}
goto out;
out_power_off:
wl1271_power_off(wl);
out:
return ret;
}
@ -749,14 +754,22 @@ int wl1271_plt_start(struct wl1271 *wl)
ret = wl1271_boot(wl);
if (ret < 0)
goto out;
goto out_power_off;
wl1271_notice("firmware booted in PLT mode (%s)", wl->chip.fw_ver);
ret = wl1271_plt_init(wl);
if (ret < 0)
goto out_irq_disable;
goto out;
out_irq_disable:
wl1271_disable_interrupts(wl);
out_power_off:
wl1271_power_off(wl);
out:
mutex_unlock(&wl->mutex);
@ -843,20 +856,25 @@ static int wl1271_op_start(struct ieee80211_hw *hw)
ret = wl1271_boot(wl);
if (ret < 0)
goto out;
goto out_power_off;
ret = wl1271_hw_init(wl);
if (ret < 0)
goto out;
goto out_irq_disable;
wl->state = WL1271_STATE_ON;
wl1271_info("firmware booted (%s)", wl->chip.fw_ver);
out:
if (ret < 0)
goto out;
out_irq_disable:
wl1271_disable_interrupts(wl);
out_power_off:
wl1271_power_off(wl);
out:
mutex_unlock(&wl->mutex);
return ret;