diff options
| -rw-r--r-- | drivers/spi/spi-sg2044-nor.c | 25 |
1 files changed, 7 insertions, 18 deletions
diff --git a/drivers/spi/spi-sg2044-nor.c b/drivers/spi/spi-sg2044-nor.c index baa4cf677663..5e68202b59fc 100644 --- a/drivers/spi/spi-sg2044-nor.c +++ b/drivers/spi/spi-sg2044-nor.c @@ -425,6 +425,7 @@ static void sg2044_spifmc_init(struct sg2044_spifmc *spifmc) static int sg2044_spifmc_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct spi_controller *ctrl; struct sg2044_spifmc *spifmc; void __iomem *base; @@ -435,13 +436,10 @@ static int sg2044_spifmc_probe(struct platform_device *pdev) return -ENOMEM; spifmc = spi_controller_get_devdata(ctrl); - dev_set_drvdata(&pdev->dev, ctrl); spifmc->clk = devm_clk_get_enabled(&pdev->dev, NULL); if (IS_ERR(spifmc->clk)) - return dev_err_probe(&pdev->dev, PTR_ERR(spifmc->clk), - "%s: Cannot get and enable AHB clock\n", - __func__); + return dev_err_probe(dev, PTR_ERR(spifmc->clk), "Cannot get and enable AHB clock\n"); spifmc->dev = &pdev->dev; spifmc->ctrl = ctrl; @@ -457,28 +455,20 @@ static int sg2044_spifmc_probe(struct platform_device *pdev) ctrl->mem_ops = &sg2044_spifmc_mem_ops; ctrl->mode_bits = SPI_RX_DUAL | SPI_TX_DUAL | SPI_RX_QUAD | SPI_TX_QUAD; - mutex_init(&spifmc->lock); + ret = devm_mutex_init(dev, &spifmc->lock); + if (ret) + return ret; sg2044_spifmc_init(spifmc); sg2044_spifmc_init_reg(spifmc); ret = devm_spi_register_controller(&pdev->dev, ctrl); - if (ret) { - mutex_destroy(&spifmc->lock); - dev_err(&pdev->dev, "spi_register_controller failed\n"); - return ret; - } + if (ret) + return dev_err_probe(dev, ret, "spi_register_controller failed\n"); return 0; } -static void sg2044_spifmc_remove(struct platform_device *pdev) -{ - struct sg2044_spifmc *spifmc = platform_get_drvdata(pdev); - - mutex_destroy(&spifmc->lock); -} - static const struct of_device_id sg2044_spifmc_match[] = { { .compatible = "sophgo,sg2044-spifmc-nor" }, { /* sentinel */ } @@ -491,7 +481,6 @@ static struct platform_driver sg2044_nor_driver = { .of_match_table = sg2044_spifmc_match, }, .probe = sg2044_spifmc_probe, - .remove = sg2044_spifmc_remove, }; module_platform_driver(sg2044_nor_driver); |