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[173.73.95.180]) by smtp.gmail.com with UTF8SMTPSA id i13-20020a056214030d00b005dd8b9345ccsm835936qvu.100.2023.03.24.10.51.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 24 Mar 2023 10:51:44 -0700 (PDT) From: Sean Anderson To: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , netdev@vger.kernel.org Cc: Simon Horman , linux-kernel@vger.kernel.org, Sean Anderson Subject: [PATCH net-next v4 06/10] net: sunhme: Switch SBUS to devres Date: Fri, 24 Mar 2023 13:51:32 -0400 Message-Id: <20230324175136.321588-7-seanga2@gmail.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20230324175136.321588-1-seanga2@gmail.com> References: <20230324175136.321588-1-seanga2@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 Reviewed-by: Simon Horman --- (no changes since v1) drivers/net/ethernet/sun/sunhme.c | 118 +++++++++--------------------- 1 file changed, 35 insertions(+), 83 deletions(-) diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c index e9613db3bdee..9cd3448aca3e 100644 --- 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) -- 2.37.1