@@ -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);
}
@@ -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()
@@ -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 @@ int ipa_setup(struct ipa *ipa)
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);
}
Move the call to enable the IPA interrupt as a wakeup interrupt into ipa_power_setup(), disable it in ipa_power_teardown(). Signed-off-by: Alex Elder <elder@linaro.org> --- drivers/net/ipa/ipa_clock.c | 11 ++++++++++- drivers/net/ipa/ipa_clock.h | 4 +++- drivers/net/ipa/ipa_main.c | 6 +----- 3 files changed, 14 insertions(+), 7 deletions(-) -- 2.27.0