diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ipa/ipa_clock.c | 11 | ||||
-rw-r--r-- | drivers/net/ipa/ipa_clock.h | 4 | ||||
-rw-r--r-- | drivers/net/ipa/ipa_main.c | 6 |
3 files changed, 14 insertions, 7 deletions
diff --git a/drivers/net/ipa/ipa_clock.c b/drivers/net/ipa/ipa_clock.c index 6df66c574d59..cdbaba6618e9 100644 --- a/drivers/net/ipa/ipa_clock.c +++ b/drivers/net/ipa/ipa_clock.c @@ -310,14 +310,23 @@ static void ipa_suspend_handler(struct ipa *ipa, enum ipa_irq_id irq_id) ipa_interrupt_suspend_clear_all(ipa->interrupt); } -void ipa_power_setup(struct ipa *ipa) +int ipa_power_setup(struct ipa *ipa) { + int ret; + ipa_interrupt_add(ipa->interrupt, IPA_IRQ_TX_SUSPEND, ipa_suspend_handler); + + ret = device_init_wakeup(&ipa->pdev->dev, true); + if (ret) + ipa_interrupt_remove(ipa->interrupt, IPA_IRQ_TX_SUSPEND); + + return ret; } void ipa_power_teardown(struct ipa *ipa) { + (void)device_init_wakeup(&ipa->pdev->dev, false); ipa_interrupt_remove(ipa->interrupt, IPA_IRQ_TX_SUSPEND); } diff --git a/drivers/net/ipa/ipa_clock.h b/drivers/net/ipa/ipa_clock.h index 5c118f2c42e7..5c53241336a1 100644 --- a/drivers/net/ipa/ipa_clock.h +++ b/drivers/net/ipa/ipa_clock.h @@ -25,8 +25,10 @@ u32 ipa_clock_rate(struct ipa *ipa); /** * ipa_power_setup() - Set up IPA power management * @ipa: IPA pointer + * + * Return: 0 if successful, or a negative error code */ -void ipa_power_setup(struct ipa *ipa); +int ipa_power_setup(struct ipa *ipa); /** * ipa_power_teardown() - Inverse of ipa_power_setup() diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c index 581b75488c6f..69fa4b3120fd 100644 --- a/drivers/net/ipa/ipa_main.c +++ b/drivers/net/ipa/ipa_main.c @@ -101,9 +101,7 @@ int ipa_setup(struct ipa *ipa) if (ret) return ret; - ipa_power_setup(ipa); - - ret = device_init_wakeup(dev, true); + ret = ipa_power_setup(ipa); if (ret) goto err_gsi_teardown; @@ -154,7 +152,6 @@ err_command_disable: err_endpoint_teardown: ipa_endpoint_teardown(ipa); ipa_power_teardown(ipa); - (void)device_init_wakeup(dev, false); err_gsi_teardown: gsi_teardown(&ipa->gsi); @@ -181,7 +178,6 @@ static void ipa_teardown(struct ipa *ipa) ipa_endpoint_disable_one(command_endpoint); ipa_endpoint_teardown(ipa); ipa_power_teardown(ipa); - (void)device_init_wakeup(&ipa->pdev->dev, false); gsi_teardown(&ipa->gsi); } |