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author | Kalle Valo <kvalo@kernel.org> | 2023-01-17 13:36:25 +0200 |
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committer | Kalle Valo <kvalo@kernel.org> | 2023-01-17 13:36:25 +0200 |
commit | d0e99511834b6828c960e978d9a8cb6e5731250d (patch) | |
tree | e7b062c1f9d28a55083477a1462286a7923a57fd /drivers/usb/chipidea/udc.c | |
parent | de7d0ff301fccc75281d7d8eb98c4a47faacf32d (diff) | |
parent | 80f8a66dede0a4b4e9e846765a97809c6fe49ce5 (diff) | |
download | linux-d0e99511834b6828c960e978d9a8cb6e5731250d.tar.gz linux-d0e99511834b6828c960e978d9a8cb6e5731250d.tar.bz2 linux-d0e99511834b6828c960e978d9a8cb6e5731250d.zip |
Merge wireless into wireless-next
Due to the two cherry picked commits from wireless to wireless-next we have
several conflicts in mt76. To avoid any bugs with conflicts merge wireless into
wireless-next.
96f134dc1964 wifi: mt76: handle possible mt76_rx_token_consume failures
fe13dad8992b wifi: mt76: dma: do not increment queue head if mt76_dma_add_buf fails
Diffstat (limited to 'drivers/usb/chipidea/udc.c')
-rw-r--r-- | drivers/usb/chipidea/udc.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 8c3e3a635ac2..54c09245ad05 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -2181,6 +2181,34 @@ static void udc_id_switch_for_host(struct ci_hdrc *ci) ci->platdata->pins_default); } +#ifdef CONFIG_PM_SLEEP +static void udc_suspend(struct ci_hdrc *ci) +{ + /* + * Set OP_ENDPTLISTADDR to be non-zero for + * checking if controller resume from power lost + * in non-host mode. + */ + if (hw_read(ci, OP_ENDPTLISTADDR, ~0) == 0) + hw_write(ci, OP_ENDPTLISTADDR, ~0, ~0); +} + +static void udc_resume(struct ci_hdrc *ci, bool power_lost) +{ + if (power_lost) { + if (ci->is_otg) + hw_write_otgsc(ci, OTGSC_BSVIS | OTGSC_BSVIE, + OTGSC_BSVIS | OTGSC_BSVIE); + if (ci->vbus_active) + usb_gadget_vbus_disconnect(&ci->gadget); + } + + /* Restore value 0 if it was set for power lost check */ + if (hw_read(ci, OP_ENDPTLISTADDR, ~0) == 0xFFFFFFFF) + hw_write(ci, OP_ENDPTLISTADDR, ~0, 0); +} +#endif + /** * ci_hdrc_gadget_init - initialize device related bits * @ci: the controller @@ -2201,6 +2229,10 @@ int ci_hdrc_gadget_init(struct ci_hdrc *ci) rdrv->start = udc_id_switch_for_device; rdrv->stop = udc_id_switch_for_host; +#ifdef CONFIG_PM_SLEEP + rdrv->suspend = udc_suspend; + rdrv->resume = udc_resume; +#endif rdrv->irq = udc_irq; rdrv->name = "gadget"; |