diff options
| -rw-r--r-- | drivers/mtd/nand/raw/stm32_fmc2_nand.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/mtd/nand/raw/stm32_fmc2_nand.c b/drivers/mtd/nand/raw/stm32_fmc2_nand.c index c5fde09e0175..51275ee9ec8f 100644 --- a/drivers/mtd/nand/raw/stm32_fmc2_nand.c +++ b/drivers/mtd/nand/raw/stm32_fmc2_nand.c @@ -1967,7 +1967,11 @@ static int stm32_fmc2_probe(struct platform_device *pdev) } rstc = devm_reset_control_get(dev, NULL); - if (!IS_ERR(rstc)) { + if (IS_ERR(rstc)) { + ret = PTR_ERR(rstc); + if (ret == -EPROBE_DEFER) + goto err_clk_disable; + } else { reset_control_assert(rstc); reset_control_deassert(rstc); } @@ -1975,7 +1979,7 @@ static int stm32_fmc2_probe(struct platform_device *pdev) /* DMA setup */ ret = stm32_fmc2_dma_setup(fmc2); if (ret) - return ret; + goto err_release_dma; /* FMC2 init routine */ stm32_fmc2_init(fmc2); @@ -1997,20 +2001,20 @@ static int stm32_fmc2_probe(struct platform_device *pdev) /* Scan to find existence of the device */ ret = nand_scan(chip, nand->ncs); if (ret) - goto err_scan; + goto err_release_dma; ret = mtd_device_register(mtd, NULL, 0); if (ret) - goto err_device_register; + goto err_nand_cleanup; platform_set_drvdata(pdev, fmc2); return 0; -err_device_register: +err_nand_cleanup: nand_cleanup(chip); -err_scan: +err_release_dma: if (fmc2->dma_ecc_ch) dma_release_channel(fmc2->dma_ecc_ch); if (fmc2->dma_tx_ch) @@ -2021,6 +2025,7 @@ err_scan: sg_free_table(&fmc2->dma_data_sg); sg_free_table(&fmc2->dma_ecc_sg); +err_clk_disable: clk_disable_unprepare(fmc2->clk); return ret; |