diff options
| author | Arend van Spriel <arend@broadcom.com> | 2012-03-02 22:55:49 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-03-05 15:53:59 -0500 |
| commit | e64a4b708fd5b719b54f7f969895b66bcba71486 (patch) | |
| tree | ae1b14679701533c2c65b364f325222fa5f34cea /drivers/net/wireless/brcm80211 | |
| parent | 549040abbc03e87bdee2964fea5e4c827471d4df (diff) | |
| download | linux-e64a4b708fd5b719b54f7f969895b66bcba71486.tar.bz2 | |
brcm80211: fmac: remove firmware requests from init_module syscall
As indicated in [1] on netdev mailing list drivers should not block
on the init_module() syscall. This patch defers the actual driver
registration to a workqueue so the init_module() syscall can complete
without delay.
[1] http://article.gmane.org/gmane.linux.network/217729/
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/brcm80211')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c index e7345569e9de..2a1e5ae0c402 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c @@ -1181,7 +1181,7 @@ exit: } #endif /* DEBUG */ -static int __init brcmfmac_init(void) +static void brcmf_driver_init(struct work_struct *work) { #ifdef CONFIG_BRCMFMAC_SDIO brcmf_sdio_init(); @@ -1189,11 +1189,21 @@ static int __init brcmfmac_init(void) #ifdef CONFIG_BRCMFMAC_USB brcmf_usb_init(); #endif +} +static DECLARE_WORK(brcmf_driver_work, brcmf_driver_init); + +static int __init brcmfmac_module_init(void) +{ + if (!schedule_work(&brcmf_driver_work)) + return -EBUSY; + return 0; } -static void __exit brcmfmac_exit(void) +static void __exit brcmfmac_module_exit(void) { + cancel_work_sync(&brcmf_driver_work); + #ifdef CONFIG_BRCMFMAC_SDIO brcmf_sdio_exit(); #endif @@ -1202,5 +1212,5 @@ static void __exit brcmfmac_exit(void) #endif } -module_init(brcmfmac_init); -module_exit(brcmfmac_exit); +module_init(brcmfmac_module_init); +module_exit(brcmfmac_module_exit); |