net: sunhme: Switch SBUS to devres

The PCI half of this driver was converted in commit 914d9b2711dd ("sunhme:
switch to devres"). Do the same for the SBUS half.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c
index e9613db3bdeef7cf8fb613a91bfcea0ee262b074..9cd3448aca3ef07756b685f228b586369287120d 100644 (file)
--- a/drivers/net/ethernet/sun/sunhme.c
+++ b/drivers/net/ethernet/sun/sunhme.c
@@ -2313,29 +2313,28 @@ static int happy_meal_sbus_probe_one(struct platform_device *op, int is_qfe)
        struct net_device *dev;
        int i, qfe_slot = -1;
        u8 addr[ETH_ALEN];
-       int err = -ENODEV;
+       int err;
 
        sbus_dp = op->dev.parent->of_node;
 
        /* We can match PCI devices too, do not accept those here. */
        if (!of_node_name_eq(sbus_dp, "sbus") && !of_node_name_eq(sbus_dp, "sbi"))
-               return err;
+               return -ENODEV;
 
        if (is_qfe) {
                qp = quattro_sbus_find(op);
                if (qp == NULL)
-                       goto err_out;
+                       return -ENODEV;
                for (qfe_slot = 0; qfe_slot < 4; qfe_slot++)
                        if (qp->happy_meals[qfe_slot] == NULL)
                                break;
                if (qfe_slot == 4)
-                       goto err_out;
+                       return -ENODEV;
        }
 
-       err = -ENOMEM;
-       dev = alloc_etherdev(sizeof(struct happy_meal));
+       dev = devm_alloc_etherdev(&op->dev, sizeof(struct happy_meal));
        if (!dev)
-               goto err_out;
+               return -ENOMEM;
        SET_NETDEV_DEV(dev, &op->dev);
 
        /* If user did not specify a MAC address specifically, use
@@ -2369,46 +2368,45 @@ static int happy_meal_sbus_probe_one(struct platform_device *op, int is_qfe)
 
        spin_lock_init(&hp->happy_lock);
 
-       err = -ENODEV;
        if (qp != NULL) {
                hp->qfe_parent = qp;
                hp->qfe_ent = qfe_slot;
                qp->happy_meals[qfe_slot] = dev;
        }
 
-       hp->gregs = of_ioremap(&op->resource[0], 0,
-                              GREG_REG_SIZE, "HME Global Regs");
-       if (!hp->gregs) {
+       hp->gregs = devm_platform_ioremap_resource(op, 0);
+       if (IS_ERR(hp->gregs)) {
                dev_err(&op->dev, "Cannot map global registers.\n");
-               goto err_out_free_netdev;
+               err = PTR_ERR(hp->gregs);
+               goto err_out_clear_quattro;
        }
 
-       hp->etxregs = of_ioremap(&op->resource[1], 0,
-                                ETX_REG_SIZE, "HME TX Regs");
-       if (!hp->etxregs) {
+       hp->etxregs = devm_platform_ioremap_resource(op, 1);
+       if (IS_ERR(hp->etxregs)) {
                dev_err(&op->dev, "Cannot map MAC TX registers.\n");
-               goto err_out_iounmap;
+               err = PTR_ERR(hp->etxregs);
+               goto err_out_clear_quattro;
        }
 
-       hp->erxregs = of_ioremap(&op->resource[2], 0,
-                                ERX_REG_SIZE, "HME RX Regs");
-       if (!hp->erxregs) {
+       hp->erxregs = devm_platform_ioremap_resource(op, 2);
+       if (IS_ERR(hp->erxregs)) {
                dev_err(&op->dev, "Cannot map MAC RX registers.\n");
-               goto err_out_iounmap;
+               err = PTR_ERR(hp->erxregs);
+               goto err_out_clear_quattro;
        }
 
-       hp->bigmacregs = of_ioremap(&op->resource[3], 0,
-                                   BMAC_REG_SIZE, "HME BIGMAC Regs");
-       if (!hp->bigmacregs) {
+       hp->bigmacregs = devm_platform_ioremap_resource(op, 3);
+       if (IS_ERR(hp->bigmacregs)) {
                dev_err(&op->dev, "Cannot map BIGMAC registers.\n");
-               goto err_out_iounmap;
+               err = PTR_ERR(hp->bigmacregs);
+               goto err_out_clear_quattro;
        }
 
-       hp->tcvregs = of_ioremap(&op->resource[4], 0,
-                                TCVR_REG_SIZE, "HME Tranceiver Regs");
-       if (!hp->tcvregs) {
+       hp->tcvregs = devm_platform_ioremap_resource(op, 4);
+       if (IS_ERR(hp->tcvregs)) {
                dev_err(&op->dev, "Cannot map TCVR registers.\n");
-               goto err_out_iounmap;
+               err = PTR_ERR(hp->tcvregs);
+               goto err_out_clear_quattro;
        }
 
        hp->hm_revision = of_getintprop_default(dp, "hm-rev", 0xff);
@@ -2428,13 +2426,12 @@ static int happy_meal_sbus_probe_one(struct platform_device *op, int is_qfe)
        hp->happy_bursts = of_getintprop_default(sbus_dp,
                                                 "burst-sizes", 0x00);
 
-       hp->happy_block = dma_alloc_coherent(hp->dma_dev,
-                                            PAGE_SIZE,
-                                            &hp->hblock_dvma,
-                                            GFP_ATOMIC);
-       err = -ENOMEM;
-       if (!hp->happy_block)
-               goto err_out_iounmap;
+       hp->happy_block = dmam_alloc_coherent(&op->dev, PAGE_SIZE,
+                                             &hp->hblock_dvma, GFP_KERNEL);
+       if (!hp->happy_block) {
+               err = -ENOMEM;
+               goto err_out_clear_quattro;
+       }
 
        /* Force check of the link first time we are brought up. */
        hp->linkcheck = 0;
@@ -2472,10 +2469,10 @@ static int happy_meal_sbus_probe_one(struct platform_device *op, int is_qfe)
        happy_meal_set_initial_advertisement(hp);
        spin_unlock_irq(&hp->happy_lock);
 
-       err = register_netdev(hp->dev);
+       err = devm_register_netdev(&op->dev, dev);
        if (err) {
                dev_err(&op->dev, "Cannot register net device, aborting.\n");
-               goto err_out_free_coherent;
+               goto err_out_clear_quattro;
        }
 
        platform_set_drvdata(op, hp);
@@ -2490,31 +2487,9 @@ static int happy_meal_sbus_probe_one(struct platform_device *op, int is_qfe)
 
        return 0;
 
-err_out_free_coherent:
-       dma_free_coherent(hp->dma_dev,
-                         PAGE_SIZE,
-                         hp->happy_block,
-                         hp->hblock_dvma);
-
-err_out_iounmap:
-       if (hp->gregs)
-               of_iounmap(&op->resource[0], hp->gregs, GREG_REG_SIZE);
-       if (hp->etxregs)
-               of_iounmap(&op->resource[1], hp->etxregs, ETX_REG_SIZE);
-       if (hp->erxregs)
-               of_iounmap(&op->resource[2], hp->erxregs, ERX_REG_SIZE);
-       if (hp->bigmacregs)
-               of_iounmap(&op->resource[3], hp->bigmacregs, BMAC_REG_SIZE);
-       if (hp->tcvregs)
-               of_iounmap(&op->resource[4], hp->tcvregs, TCVR_REG_SIZE);
-
+err_out_clear_quattro:
        if (qp)
                qp->happy_meals[qfe_slot] = NULL;
-
-err_out_free_netdev:
-       free_netdev(dev);
-
-err_out:
        return err;
 }
 #endif
@@ -2891,28 +2866,6 @@ static int hme_sbus_probe(struct platform_device *op)
        return happy_meal_sbus_probe_one(op, is_qfe);
 }
 
-static int hme_sbus_remove(struct platform_device *op)
-{
-       struct happy_meal *hp = platform_get_drvdata(op);
-       struct net_device *net_dev = hp->dev;
-
-       unregister_netdev(net_dev);
-
-       of_iounmap(&op->resource[0], hp->gregs, GREG_REG_SIZE);
-       of_iounmap(&op->resource[1], hp->etxregs, ETX_REG_SIZE);
-       of_iounmap(&op->resource[2], hp->erxregs, ERX_REG_SIZE);
-       of_iounmap(&op->resource[3], hp->bigmacregs, BMAC_REG_SIZE);
-       of_iounmap(&op->resource[4], hp->tcvregs, TCVR_REG_SIZE);
-       dma_free_coherent(hp->dma_dev,
-                         PAGE_SIZE,
-                         hp->happy_block,
-                         hp->hblock_dvma);
-
-       free_netdev(net_dev);
-
-       return 0;
-}
-
 static const struct of_device_id hme_sbus_match[] = {
        {
                .name = "SUNW,hme",
@@ -2936,7 +2889,6 @@ static struct platform_driver hme_sbus_driver = {
                .of_match_table = hme_sbus_match,
        },
        .probe          = hme_sbus_probe,
-       .remove         = hme_sbus_remove,
 };
 
 static int __init happy_meal_sbus_init(void)