diff options
| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2021-11-12 17:30:16 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-17 14:36:57 +0100 |
| commit | f057a1d4f0d2cf66f6a4b578c846bbb1d0eb0223 (patch) | |
| tree | b552212221547e88966fdbf3790a6d3f1e7838b3 | |
| parent | c76ef96fc00eb398c8fc836b0eb2f82bcc619dc7 (diff) | |
| download | linux-f057a1d4f0d2cf66f6a4b578c846bbb1d0eb0223.tar.bz2 | |
usb: Remove redundant 'flush_workqueue()' calls
'destroy_workqueue()' already drains the queue before destroying it, so
there is no need to flush it explicitly.
Remove the redundant 'flush_workqueue()' calls.
This was generated with coccinelle:
@@
expression E;
@@
- flush_workqueue(E);
destroy_workqueue(E);
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Acked-by: Peter Chen <peter.chen@kernel.or> # for chipidea part
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/563123a8117d6cafae3f134e497587bd2b8bb7f4.1636734453.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/chipidea/otg.c | 5 | ||||
| -rw-r--r-- | drivers/usb/gadget/udc/mv_udc_core.c | 4 | ||||
| -rw-r--r-- | drivers/usb/host/u132-hcd.c | 1 | ||||
| -rw-r--r-- | drivers/usb/phy/phy-mv-usb.c | 5 | ||||
| -rw-r--r-- | drivers/usb/usbip/usbip_event.c | 1 |
5 files changed, 4 insertions, 12 deletions
diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c index 8dd59282827b..7b53274ef966 100644 --- a/drivers/usb/chipidea/otg.c +++ b/drivers/usb/chipidea/otg.c @@ -255,10 +255,9 @@ int ci_hdrc_otg_init(struct ci_hdrc *ci) */ void ci_hdrc_otg_destroy(struct ci_hdrc *ci) { - if (ci->wq) { - flush_workqueue(ci->wq); + if (ci->wq) destroy_workqueue(ci->wq); - } + /* Disable all OTG irq and clear status */ hw_write_otgsc(ci, OTGSC_INT_EN_BITS | OTGSC_INT_STATUS_BITS, OTGSC_INT_STATUS_BITS); diff --git a/drivers/usb/gadget/udc/mv_udc_core.c b/drivers/usb/gadget/udc/mv_udc_core.c index 7f24ce400b59..b6d34dda028b 100644 --- a/drivers/usb/gadget/udc/mv_udc_core.c +++ b/drivers/usb/gadget/udc/mv_udc_core.c @@ -2084,10 +2084,8 @@ static int mv_udc_remove(struct platform_device *pdev) usb_del_gadget_udc(&udc->gadget); - if (udc->qwork) { - flush_workqueue(udc->qwork); + if (udc->qwork) destroy_workqueue(udc->qwork); - } /* free memory allocated in probe */ dma_pool_destroy(udc->dtd_pool); diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index ae882d76612b..d879d6af5710 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -3211,7 +3211,6 @@ static void __exit u132_hcd_exit(void) platform_driver_unregister(&u132_platform_driver); printk(KERN_INFO "u132-hcd driver deregistered\n"); wait_event(u132_hcd_wait, u132_instances == 0); - flush_workqueue(workqueue); destroy_workqueue(workqueue); } diff --git a/drivers/usb/phy/phy-mv-usb.c b/drivers/usb/phy/phy-mv-usb.c index 576d925af77c..86503b7d695c 100644 --- a/drivers/usb/phy/phy-mv-usb.c +++ b/drivers/usb/phy/phy-mv-usb.c @@ -648,10 +648,8 @@ static int mv_otg_remove(struct platform_device *pdev) { struct mv_otg *mvotg = platform_get_drvdata(pdev); - if (mvotg->qwork) { - flush_workqueue(mvotg->qwork); + if (mvotg->qwork) destroy_workqueue(mvotg->qwork); - } mv_otg_disable(mvotg); @@ -825,7 +823,6 @@ static int mv_otg_probe(struct platform_device *pdev) err_disable_clk: mv_otg_disable_internal(mvotg); err_destroy_workqueue: - flush_workqueue(mvotg->qwork); destroy_workqueue(mvotg->qwork); return retval; diff --git a/drivers/usb/usbip/usbip_event.c b/drivers/usb/usbip/usbip_event.c index 086ca76dd053..26513540bcdb 100644 --- a/drivers/usb/usbip/usbip_event.c +++ b/drivers/usb/usbip/usbip_event.c @@ -137,7 +137,6 @@ int usbip_init_eh(void) void usbip_finish_eh(void) { - flush_workqueue(usbip_queue); destroy_workqueue(usbip_queue); usbip_queue = NULL; } |