From 28299a47f40af6af40c316989867cc1f56ec827b Mon Sep 17 00:00:00 2001 From: Suman Anna Date: Tue, 24 Jun 2014 19:43:37 -0500 Subject: mailbox/omap: use devm_* interfaces Use the various devm_ interfaces to simplify the cleanup in probe and remove functions in OMAP2+ mailbox driver. Signed-off-by: Suman Anna Signed-off-by: Tony Lindgren --- drivers/mailbox/mailbox-omap2.c | 64 ++++++++++++----------------------------- 1 file changed, 19 insertions(+), 45 deletions(-) (limited to 'drivers/mailbox') diff --git a/drivers/mailbox/mailbox-omap2.c b/drivers/mailbox/mailbox-omap2.c index 42d2b893ea67..75fbc9072d01 100644 --- a/drivers/mailbox/mailbox-omap2.c +++ b/drivers/mailbox/mailbox-omap2.c @@ -236,23 +236,24 @@ static int omap2_mbox_probe(struct platform_device *pdev) } /* allocate one extra for marking end of list */ - list = kzalloc((pdata->info_cnt + 1) * sizeof(*list), GFP_KERNEL); + list = devm_kzalloc(&pdev->dev, (pdata->info_cnt + 1) * sizeof(*list), + GFP_KERNEL); if (!list) return -ENOMEM; - mboxblk = mbox = kzalloc(pdata->info_cnt * sizeof(*mbox), GFP_KERNEL); - if (!mboxblk) { - ret = -ENOMEM; - goto free_list; - } + mboxblk = devm_kzalloc(&pdev->dev, pdata->info_cnt * sizeof(*mbox), + GFP_KERNEL); + if (!mboxblk) + return -ENOMEM; - privblk = priv = kzalloc(pdata->info_cnt * sizeof(*priv), GFP_KERNEL); - if (!privblk) { - ret = -ENOMEM; - goto free_mboxblk; - } + privblk = devm_kzalloc(&pdev->dev, pdata->info_cnt * sizeof(*priv), + GFP_KERNEL); + if (!privblk) + return -ENOMEM; info = pdata->info; + mbox = mboxblk; + priv = privblk; for (i = 0; i < pdata->info_cnt; i++, info++, priv++) { priv->tx_fifo.msg = MAILBOX_MESSAGE(info->tx_id); priv->tx_fifo.fifo_stat = MAILBOX_FIFOSTATUS(info->tx_id); @@ -276,55 +277,28 @@ static int omap2_mbox_probe(struct platform_device *pdev) mbox->name = info->name; mbox->ops = &omap2_mbox_ops; mbox->irq = platform_get_irq(pdev, info->irq_id); - if (mbox->irq < 0) { - ret = mbox->irq; - goto free_privblk; - } + if (mbox->irq < 0) + return mbox->irq; list[i] = mbox++; } mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!mem) { - ret = -ENOENT; - goto free_privblk; - } - - mbox_base = ioremap(mem->start, resource_size(mem)); - if (!mbox_base) { - ret = -ENOMEM; - goto free_privblk; - } + mbox_base = devm_ioremap_resource(&pdev->dev, mem); + if (IS_ERR(mbox_base)) + return PTR_ERR(mbox_base); ret = omap_mbox_register(&pdev->dev, list); if (ret) - goto unmap_mbox; + return ret; + platform_set_drvdata(pdev, list); return 0; - -unmap_mbox: - iounmap(mbox_base); -free_privblk: - kfree(privblk); -free_mboxblk: - kfree(mboxblk); -free_list: - kfree(list); - return ret; } static int omap2_mbox_remove(struct platform_device *pdev) { - struct omap_mbox2_priv *privblk; - struct omap_mbox **list = platform_get_drvdata(pdev); - struct omap_mbox *mboxblk = list[0]; - - privblk = mboxblk->priv; omap_mbox_unregister(); - iounmap(mbox_base); - kfree(privblk); - kfree(mboxblk); - kfree(list); return 0; } -- cgit v1.2.3