This helps prevent mistakes like putting out of order in cleanup functions and forgetting to put sync on error paths. Signed-off-by: Andrew Davis <afd@xxxxxx> --- drivers/remoteproc/keystone_remoteproc.c | 36 ++++++++++++------------ 1 file changed, 18 insertions(+), 18 deletions(-) diff --git a/drivers/remoteproc/keystone_remoteproc.c b/drivers/remoteproc/keystone_remoteproc.c index 2af3b64bc239c..1032f440426da 100644 --- a/drivers/remoteproc/keystone_remoteproc.c +++ b/drivers/remoteproc/keystone_remoteproc.c @@ -365,6 +365,13 @@ static void keystone_rproc_mem_release(void *data) of_reserved_mem_device_release(dev); } +static void keystone_rproc_pm_runtime_put(void *data) +{ + struct device *dev = data; + + pm_runtime_put_sync(dev); +} + static int keystone_rproc_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -417,30 +424,26 @@ static int keystone_rproc_probe(struct platform_device *pdev) ret = pm_runtime_resume_and_get(dev); if (ret < 0) return dev_err_probe(dev, ret, "failed to enable clock\n"); + ret = devm_add_action_or_reset(dev, keystone_rproc_pm_runtime_put, dev); + if (ret) + return dev_err_probe(dev, ret, "failed to add disable pm devm action\n"); ret = keystone_rproc_of_get_memories(pdev, ksproc); if (ret) - goto disable_clk; + return ret; ksproc->irq_ring = platform_get_irq_byname(pdev, "vring"); - if (ksproc->irq_ring < 0) { - ret = ksproc->irq_ring; - goto disable_clk; - } + if (ksproc->irq_ring < 0) + return ksproc->irq_ring; ksproc->irq_fault = platform_get_irq_byname(pdev, "exception"); - if (ksproc->irq_fault < 0) { - ret = ksproc->irq_fault; - goto disable_clk; - } + if (ksproc->irq_fault < 0) + return ksproc->irq_fault; ksproc->kick_gpio = gpiod_get(dev, "kick", GPIOD_ASIS); ret = PTR_ERR_OR_ZERO(ksproc->kick_gpio); - if (ret) { - dev_err(dev, "failed to get gpio for virtio kicks, status = %d\n", - ret); - goto disable_clk; - } + if (ret) + return dev_err_probe(dev, ret, "failed to get gpio for virtio kicks\n"); ret = of_reserved_mem_device_init(dev); if (ret) { @@ -448,7 +451,7 @@ static int keystone_rproc_probe(struct platform_device *pdev) } else { ret = devm_add_action_or_reset(dev, keystone_rproc_mem_release, dev); if (ret) - goto disable_clk; + return ret; } /* ensure the DSP is in reset before loading firmware */ @@ -474,8 +477,6 @@ static int keystone_rproc_probe(struct platform_device *pdev) release_mem: gpiod_put(ksproc->kick_gpio); -disable_clk: - pm_runtime_put_sync(dev); return ret; } @@ -485,7 +486,6 @@ static void keystone_rproc_remove(struct platform_device *pdev) rproc_del(ksproc->rproc); gpiod_put(ksproc->kick_gpio); - pm_runtime_put_sync(&pdev->dev); } static const struct of_device_id keystone_rproc_of_match[] = { -- 2.39.2