diff options
Diffstat (limited to 'drivers/irqchip/irq-imx-irqsteer.c')
| -rw-r--r-- | drivers/irqchip/irq-imx-irqsteer.c | 38 |
1 files changed, 27 insertions, 11 deletions
diff --git a/drivers/irqchip/irq-imx-irqsteer.c b/drivers/irqchip/irq-imx-irqsteer.c index bd9543314539..b0e9788c0045 100644 --- a/drivers/irqchip/irq-imx-irqsteer.c +++ b/drivers/irqchip/irq-imx-irqsteer.c @@ -36,6 +36,7 @@ struct irqsteer_data { int channel; struct irq_domain *domain; u32 *saved_reg; + struct device *dev; }; static int imx_irqsteer_get_reg_index(struct irqsteer_data *data, @@ -72,10 +73,26 @@ static void imx_irqsteer_irq_mask(struct irq_data *d) raw_spin_unlock_irqrestore(&data->lock, flags); } +static void imx_irqsteer_irq_bus_lock(struct irq_data *d) +{ + struct irqsteer_data *data = d->chip_data; + + pm_runtime_get_sync(data->dev); +} + +static void imx_irqsteer_irq_bus_sync_unlock(struct irq_data *d) +{ + struct irqsteer_data *data = d->chip_data; + + pm_runtime_put_autosuspend(data->dev); +} + static const struct irq_chip imx_irqsteer_irq_chip = { - .name = "irqsteer", - .irq_mask = imx_irqsteer_irq_mask, - .irq_unmask = imx_irqsteer_irq_unmask, + .name = "irqsteer", + .irq_mask = imx_irqsteer_irq_mask, + .irq_unmask = imx_irqsteer_irq_unmask, + .irq_bus_lock = imx_irqsteer_irq_bus_lock, + .irq_bus_sync_unlock = imx_irqsteer_irq_bus_sync_unlock, }; static int imx_irqsteer_irq_map(struct irq_domain *h, unsigned int irq, @@ -150,6 +167,7 @@ static int imx_irqsteer_probe(struct platform_device *pdev) if (!data) return -ENOMEM; + data->dev = &pdev->dev; data->regs = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(data->regs)) { dev_err(&pdev->dev, "failed to initialize reg\n"); @@ -231,7 +249,7 @@ out: return ret; } -static int imx_irqsteer_remove(struct platform_device *pdev) +static void imx_irqsteer_remove(struct platform_device *pdev) { struct irqsteer_data *irqsteer_data = platform_get_drvdata(pdev); int i; @@ -243,8 +261,6 @@ static int imx_irqsteer_remove(struct platform_device *pdev) irq_domain_remove(irqsteer_data->domain); clk_disable_unprepare(irqsteer_data->ipg_clk); - - return 0; } #ifdef CONFIG_PM @@ -307,11 +323,11 @@ static const struct of_device_id imx_irqsteer_dt_ids[] = { static struct platform_driver imx_irqsteer_driver = { .driver = { - .name = "imx-irqsteer", - .of_match_table = imx_irqsteer_dt_ids, - .pm = &imx_irqsteer_pm_ops, + .name = "imx-irqsteer", + .of_match_table = imx_irqsteer_dt_ids, + .pm = &imx_irqsteer_pm_ops, }, - .probe = imx_irqsteer_probe, - .remove = imx_irqsteer_remove, + .probe = imx_irqsteer_probe, + .remove = imx_irqsteer_remove, }; builtin_platform_driver(imx_irqsteer_driver); |