diff options
| author | Johan Hovold <johan@kernel.org> | 2026-04-30 14:01:58 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2026-05-04 22:11:58 +0900 |
| commit | caf2fd997bf36728661612c03a74bd2bf23de9e4 (patch) | |
| tree | 2b070e5b71cad871396e0e819b70988ad554a4a0 | |
| parent | 7fd2df204f342fc17d1a0bfcd474b24232fb0f32 (diff) | |
spi: omap2-mcspi: 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/20260430120200.249323-2-johan@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | drivers/spi/spi-omap2-mcspi.c | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c index 56b30ff58771..60c05eb91781 100644 --- a/drivers/spi/spi-omap2-mcspi.c +++ b/drivers/spi/spi-omap2-mcspi.c @@ -1484,9 +1484,9 @@ static int omap2_mcspi_probe(struct platform_device *pdev) const struct of_device_id *match; if (of_property_read_bool(node, "spi-slave")) - ctlr = spi_alloc_target(&pdev->dev, sizeof(*mcspi)); + ctlr = devm_spi_alloc_target(&pdev->dev, sizeof(*mcspi)); else - ctlr = spi_alloc_host(&pdev->dev, sizeof(*mcspi)); + ctlr = devm_spi_alloc_host(&pdev->dev, sizeof(*mcspi)); if (!ctlr) return -ENOMEM; @@ -1530,10 +1530,9 @@ static int omap2_mcspi_probe(struct platform_device *pdev) } mcspi->base = devm_platform_get_and_ioremap_resource(pdev, 0, &r); - if (IS_ERR(mcspi->base)) { - status = PTR_ERR(mcspi->base); - goto free_ctlr; - } + if (IS_ERR(mcspi->base)) + return PTR_ERR(mcspi->base); + mcspi->phys = r->start + regs_offset; mcspi->base += regs_offset; @@ -1544,10 +1543,8 @@ static int omap2_mcspi_probe(struct platform_device *pdev) mcspi->dma_channels = devm_kcalloc(&pdev->dev, ctlr->num_chipselect, sizeof(struct omap2_mcspi_dma), GFP_KERNEL); - if (mcspi->dma_channels == NULL) { - status = -ENOMEM; - goto free_ctlr; - } + if (mcspi->dma_channels == NULL) + return -ENOMEM; for (i = 0; i < ctlr->num_chipselect; i++) { sprintf(mcspi->dma_channels[i].dma_rx_ch_name, "rx%d", i); @@ -1604,7 +1601,7 @@ disable_pm: pm_runtime_disable(&pdev->dev); free_ctlr: omap2_mcspi_release_dma(ctlr); - spi_controller_put(ctlr); + return status; } @@ -1613,8 +1610,6 @@ static void omap2_mcspi_remove(struct platform_device *pdev) struct spi_controller *ctlr = platform_get_drvdata(pdev); struct omap2_mcspi *mcspi = spi_controller_get_devdata(ctlr); - spi_controller_get(ctlr); - spi_unregister_controller(ctlr); omap2_mcspi_release_dma(ctlr); @@ -1622,8 +1617,6 @@ static void omap2_mcspi_remove(struct platform_device *pdev) pm_runtime_dont_use_autosuspend(mcspi->dev); pm_runtime_put_sync(mcspi->dev); pm_runtime_disable(&pdev->dev); - - spi_controller_put(ctlr); } /* work with hotplug and coldplug */ |