diff --git a/drivers/media/platform/exynos-gsc/gsc-core.c b/drivers/media/platform/exynos-gsc/gsc-core.c index 7539bb3e318fedb1496655c20cd8eabc77312f34..19fcbc7424fc1fd2f252557a8b767292617e5467 100644 --- a/drivers/media/platform/exynos-gsc/gsc-core.c +++ b/drivers/media/platform/exynos-gsc/gsc-core.c @@ -1001,43 +1001,6 @@ static void *gsc_get_drv_data(struct platform_device *pdev) return driver_data; } -static int gsc_m2m_suspend(struct gsc_dev *gsc) -{ - unsigned long flags; - int timeout; - - spin_lock_irqsave(&gsc->slock, flags); - if (!gsc_m2m_pending(gsc)) { - spin_unlock_irqrestore(&gsc->slock, flags); - return 0; - } - clear_bit(ST_M2M_SUSPENDED, &gsc->state); - set_bit(ST_M2M_SUSPENDING, &gsc->state); - spin_unlock_irqrestore(&gsc->slock, flags); - - timeout = wait_event_timeout(gsc->irq_queue, - test_bit(ST_M2M_SUSPENDED, &gsc->state), - GSC_SHUTDOWN_TIMEOUT); - - clear_bit(ST_M2M_SUSPENDING, &gsc->state); - return timeout == 0 ? -EAGAIN : 0; -} - -static void gsc_m2m_resume(struct gsc_dev *gsc) -{ - struct gsc_ctx *ctx; - unsigned long flags; - - spin_lock_irqsave(&gsc->slock, flags); - /* Clear for full H/W setup in first run after resume */ - ctx = gsc->m2m.ctx; - gsc->m2m.ctx = NULL; - spin_unlock_irqrestore(&gsc->slock, flags); - - if (test_and_clear_bit(ST_M2M_SUSPENDED, &gsc->state)) - gsc_m2m_job_finish(ctx, VB2_BUF_STATE_ERROR); -} - static int gsc_probe(struct platform_device *pdev) { struct gsc_dev *gsc; @@ -1143,6 +1106,44 @@ static int gsc_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM +static int gsc_m2m_suspend(struct gsc_dev *gsc) +{ + unsigned long flags; + int timeout; + + spin_lock_irqsave(&gsc->slock, flags); + if (!gsc_m2m_pending(gsc)) { + spin_unlock_irqrestore(&gsc->slock, flags); + return 0; + } + clear_bit(ST_M2M_SUSPENDED, &gsc->state); + set_bit(ST_M2M_SUSPENDING, &gsc->state); + spin_unlock_irqrestore(&gsc->slock, flags); + + timeout = wait_event_timeout(gsc->irq_queue, + test_bit(ST_M2M_SUSPENDED, &gsc->state), + GSC_SHUTDOWN_TIMEOUT); + + clear_bit(ST_M2M_SUSPENDING, &gsc->state); + return timeout == 0 ? -EAGAIN : 0; +} + +static void gsc_m2m_resume(struct gsc_dev *gsc) +{ + struct gsc_ctx *ctx; + unsigned long flags; + + spin_lock_irqsave(&gsc->slock, flags); + /* Clear for full H/W setup in first run after resume */ + ctx = gsc->m2m.ctx; + gsc->m2m.ctx = NULL; + spin_unlock_irqrestore(&gsc->slock, flags); + + if (test_and_clear_bit(ST_M2M_SUSPENDED, &gsc->state)) + gsc_m2m_job_finish(ctx, VB2_BUF_STATE_ERROR); +} + static int gsc_runtime_resume(struct device *dev) { struct gsc_dev *gsc = dev_get_drvdata(dev); @@ -1173,7 +1174,9 @@ static int gsc_runtime_suspend(struct device *dev) pr_debug("gsc%d: state: 0x%lx", gsc->id, gsc->state); return ret; } +#endif +#ifdef CONFIG_PM_SLEEP static int gsc_resume(struct device *dev) { struct gsc_dev *gsc = dev_get_drvdata(dev); @@ -1210,12 +1213,11 @@ static int gsc_suspend(struct device *dev) return 0; } +#endif static const struct dev_pm_ops gsc_pm_ops = { - .suspend = gsc_suspend, - .resume = gsc_resume, - .runtime_suspend = gsc_runtime_suspend, - .runtime_resume = gsc_runtime_resume, + SET_SYSTEM_SLEEP_PM_OPS(gsc_suspend, gsc_resume) + SET_RUNTIME_PM_OPS(gsc_runtime_suspend, gsc_runtime_resume, NULL) }; static struct platform_driver gsc_driver = {