diff options
Diffstat (limited to 'drivers/spi/spi-stm32.c')
| -rw-r--r-- | drivers/spi/spi-stm32.c | 39 |
1 files changed, 16 insertions, 23 deletions
diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c index 25c076461011..8ffcffbb8157 100644 --- a/drivers/spi/spi-stm32.c +++ b/drivers/spi/spi-stm32.c @@ -1803,7 +1803,7 @@ static int stm32_spi_probe(struct platform_device *pdev) struct reset_control *rst; int ret; - master = spi_alloc_master(&pdev->dev, sizeof(struct stm32_spi)); + master = devm_spi_alloc_master(&pdev->dev, sizeof(struct stm32_spi)); if (!master) { dev_err(&pdev->dev, "spi master allocation failed\n"); return -ENOMEM; @@ -1821,18 +1821,16 @@ static int stm32_spi_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); spi->base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(spi->base)) { - ret = PTR_ERR(spi->base); - goto err_master_put; - } + if (IS_ERR(spi->base)) + return PTR_ERR(spi->base); spi->phys_addr = (dma_addr_t)res->start; spi->irq = platform_get_irq(pdev, 0); - if (spi->irq <= 0) { - ret = dev_err_probe(&pdev->dev, spi->irq, "failed to get irq\n"); - goto err_master_put; - } + if (spi->irq <= 0) + return dev_err_probe(&pdev->dev, spi->irq, + "failed to get irq\n"); + ret = devm_request_threaded_irq(&pdev->dev, spi->irq, spi->cfg->irq_handler_event, spi->cfg->irq_handler_thread, @@ -1840,20 +1838,20 @@ static int stm32_spi_probe(struct platform_device *pdev) if (ret) { dev_err(&pdev->dev, "irq%d request failed: %d\n", spi->irq, ret); - goto err_master_put; + return ret; } spi->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(spi->clk)) { ret = PTR_ERR(spi->clk); dev_err(&pdev->dev, "clk get failed: %d\n", ret); - goto err_master_put; + return ret; } ret = clk_prepare_enable(spi->clk); if (ret) { dev_err(&pdev->dev, "clk enable failed: %d\n", ret); - goto err_master_put; + return ret; } spi->clk_rate = clk_get_rate(spi->clk); if (!spi->clk_rate) { @@ -1929,7 +1927,7 @@ static int stm32_spi_probe(struct platform_device *pdev) pm_runtime_set_active(&pdev->dev); pm_runtime_enable(&pdev->dev); - ret = devm_spi_register_master(&pdev->dev, master); + ret = spi_register_master(master); if (ret) { dev_err(&pdev->dev, "spi master registration failed: %d\n", ret); @@ -1949,8 +1947,6 @@ err_dma_release: dma_release_channel(spi->dma_rx); err_clk_disable: clk_disable_unprepare(spi->clk); -err_master_put: - spi_master_put(master); return ret; } @@ -1960,6 +1956,7 @@ static int stm32_spi_remove(struct platform_device *pdev) struct spi_master *master = platform_get_drvdata(pdev); struct stm32_spi *spi = spi_master_get_devdata(master); + spi_unregister_master(master); spi->cfg->disable(spi); if (master->dma_tx) @@ -1976,8 +1973,7 @@ static int stm32_spi_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM -static int stm32_spi_runtime_suspend(struct device *dev) +static int __maybe_unused stm32_spi_runtime_suspend(struct device *dev) { struct spi_master *master = dev_get_drvdata(dev); struct stm32_spi *spi = spi_master_get_devdata(master); @@ -1987,7 +1983,7 @@ static int stm32_spi_runtime_suspend(struct device *dev) return pinctrl_pm_select_sleep_state(dev); } -static int stm32_spi_runtime_resume(struct device *dev) +static int __maybe_unused stm32_spi_runtime_resume(struct device *dev) { struct spi_master *master = dev_get_drvdata(dev); struct stm32_spi *spi = spi_master_get_devdata(master); @@ -1999,10 +1995,8 @@ static int stm32_spi_runtime_resume(struct device *dev) return clk_prepare_enable(spi->clk); } -#endif -#ifdef CONFIG_PM_SLEEP -static int stm32_spi_suspend(struct device *dev) +static int __maybe_unused stm32_spi_suspend(struct device *dev) { struct spi_master *master = dev_get_drvdata(dev); int ret; @@ -2014,7 +2008,7 @@ static int stm32_spi_suspend(struct device *dev) return pm_runtime_force_suspend(dev); } -static int stm32_spi_resume(struct device *dev) +static int __maybe_unused stm32_spi_resume(struct device *dev) { struct spi_master *master = dev_get_drvdata(dev); struct stm32_spi *spi = spi_master_get_devdata(master); @@ -2044,7 +2038,6 @@ static int stm32_spi_resume(struct device *dev) return 0; } -#endif static const struct dev_pm_ops stm32_spi_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(stm32_spi_suspend, stm32_spi_resume) |