diff options
Diffstat (limited to 'drivers/ata/pata_mpc52xx.c')
-rw-r--r-- | drivers/ata/pata_mpc52xx.c | 44 |
1 files changed, 15 insertions, 29 deletions
diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c index 00748ae..d2c102f 100644 --- a/drivers/ata/pata_mpc52xx.c +++ b/drivers/ata/pata_mpc52xx.c @@ -687,11 +687,11 @@ mpc52xx_ata_probe(struct platform_device *op) int ata_irq = 0; struct mpc52xx_ata __iomem *ata_regs; struct mpc52xx_ata_priv *priv = NULL; - int rv, ret, task_irq = 0; + int rv, task_irq; int mwdma_mask = 0, udma_mask = 0; const __be32 *prop; int proplen; - struct bcom_task *dmatsk = NULL; + struct bcom_task *dmatsk; /* Get ipb frequency */ ipb_freq = mpc5xxx_get_bus_frequency(op->dev.of_node); @@ -717,8 +717,7 @@ mpc52xx_ata_probe(struct platform_device *op) ata_regs = devm_ioremap(&op->dev, res_mem.start, sizeof(*ata_regs)); if (!ata_regs) { dev_err(&op->dev, "error mapping device registers\n"); - rv = -ENOMEM; - goto err; + return -ENOMEM; } /* @@ -753,7 +752,7 @@ mpc52xx_ata_probe(struct platform_device *op) if (!priv) { dev_err(&op->dev, "error allocating private structure\n"); rv = -ENOMEM; - goto err; + goto err1; } priv->ipb_period = 1000000000 / (ipb_freq / 1000); @@ -776,15 +775,15 @@ mpc52xx_ata_probe(struct platform_device *op) if (!dmatsk) { dev_err(&op->dev, "bestcomm initialization failed\n"); rv = -ENOMEM; - goto err; + goto err1; } task_irq = bcom_get_task_irq(dmatsk); - ret = request_irq(task_irq, &mpc52xx_ata_task_irq, 0, + rv = devm_request_irq(&op->dev, task_irq, &mpc52xx_ata_task_irq, 0, "ATA task", priv); - if (ret) { + if (rv) { dev_err(&op->dev, "error requesting DMA IRQ\n"); - goto err; + goto err2; } priv->dmatsk = dmatsk; @@ -792,7 +791,7 @@ mpc52xx_ata_probe(struct platform_device *op) rv = mpc52xx_ata_hw_init(priv); if (rv) { dev_err(&op->dev, "error initializing hardware\n"); - goto err; + goto err2; } /* Register ourselves to libata */ @@ -800,23 +799,16 @@ mpc52xx_ata_probe(struct platform_device *op) mwdma_mask, udma_mask); if (rv) { dev_err(&op->dev, "error registering with ATA layer\n"); - goto err; + goto err2; } return 0; - err: - devm_release_mem_region(&op->dev, res_mem.start, sizeof(*ata_regs)); - if (ata_irq) - irq_dispose_mapping(ata_irq); - if (task_irq) - irq_dispose_mapping(task_irq); - if (dmatsk) - bcom_ata_release(dmatsk); - if (ata_regs) - devm_iounmap(&op->dev, ata_regs); - if (priv) - devm_kfree(&op->dev, priv); + err2: + irq_dispose_mapping(task_irq); + bcom_ata_release(dmatsk); + err1: + irq_dispose_mapping(ata_irq); return rv; } @@ -835,12 +827,6 @@ mpc52xx_ata_remove(struct platform_device *op) bcom_ata_release(priv->dmatsk); irq_dispose_mapping(priv->ata_irq); - /* Clear up IO allocations */ - devm_iounmap(&op->dev, priv->ata_regs); - devm_release_mem_region(&op->dev, priv->ata_regs_pa, - sizeof(*priv->ata_regs)); - devm_kfree(&op->dev, priv); - return 0; } |