diff options
| author | Johan Hovold <johan@kernel.org> | 2026-04-29 11:13:26 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2026-05-04 22:09:27 +0900 |
| commit | 9979501afa4a94e71e0c127bbbcd70bcdf397dbc (patch) | |
| tree | 67e919b6b40cd0aff309fb249a45b489138b88bc | |
| parent | 6afe041c2ce9068b2b6c64eddb5537911752050c (diff) | |
spi: fsl-espi: switch to managed controller allocation
Switch to device managed controller allocation to simplify error
handling and to avoid having to take another reference during
deregistration.
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://patch.msgid.link/20260429091333.165363-13-johan@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | drivers/spi/spi-fsl-espi.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c index 45b9974ae911..f560bd537f7d 100644 --- a/drivers/spi/spi-fsl-espi.c +++ b/drivers/spi/spi-fsl-espi.c @@ -667,7 +667,7 @@ static int fsl_espi_probe(struct device *dev, struct resource *mem, struct fsl_espi *espi; int ret; - host = spi_alloc_host(dev, sizeof(struct fsl_espi)); + host = devm_spi_alloc_host(dev, sizeof(struct fsl_espi)); if (!host) return -ENOMEM; @@ -690,8 +690,7 @@ static int fsl_espi_probe(struct device *dev, struct resource *mem, espi->spibrg = fsl_get_sys_freq(); if (espi->spibrg == -1) { dev_err(dev, "Can't get sys frequency!\n"); - ret = -EINVAL; - goto err_probe; + return -EINVAL; } /* determined by clock divider fields DIV16/PM in register SPMODEx */ host->min_speed_hz = DIV_ROUND_UP(espi->spibrg, 4 * 16 * 16); @@ -700,15 +699,13 @@ static int fsl_espi_probe(struct device *dev, struct resource *mem, init_completion(&espi->done); espi->reg_base = devm_ioremap_resource(dev, mem); - if (IS_ERR(espi->reg_base)) { - ret = PTR_ERR(espi->reg_base); - goto err_probe; - } + if (IS_ERR(espi->reg_base)) + return PTR_ERR(espi->reg_base); /* Register for SPI Interrupt */ ret = devm_request_irq(dev, irq, fsl_espi_irq, 0, "fsl_espi", espi); if (ret) - goto err_probe; + return ret; fsl_espi_init_regs(dev, true); @@ -732,8 +729,7 @@ err_pm: pm_runtime_put_noidle(dev); pm_runtime_disable(dev); pm_runtime_set_suspended(dev); -err_probe: - spi_controller_put(host); + return ret; } @@ -784,13 +780,9 @@ static void of_fsl_espi_remove(struct platform_device *dev) { struct spi_controller *host = platform_get_drvdata(dev); - spi_controller_get(host); - spi_unregister_controller(host); pm_runtime_disable(&dev->dev); - - spi_controller_put(host); } #ifdef CONFIG_PM_SLEEP |