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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Chris Snook , Marcin Wojtas , Russell King , Yoshihiro Shimoda , =?utf-8?q?Niklas_S?= =?utf-8?q?=C3=B6derlund?= , Heiner Kallweit , Richard Cochran , linux-kernel@vger.kernel.org (open list), linux-renesas-soc@vger.kernel.org (open list:RENESAS ETHERNET SWITCH DRIVER) Subject: [PATCHv3 net-next] net: modernize ioremap in probe Date: Sun, 17 Nov 2024 13:27:11 -0800 Message-ID: <20241117212711.13612-1-rosenp@gmail.com> X-Mailer: git-send-email 2.47.0 Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Convert platform_get_resource_bynam + devm_ioremap_resource to devm_platform_ioremap_resource_byname. Convert platform_get_resource + devm_ioremap_resource to devm_platform_ioremap_resource. resource aquisition and ioremap can be performed in one step. Signed-off-by: Rosen Penev --- v3: reworded commit message again. Also removed devm_ioremap conversions. Even though they use normal resource, they are not the same. v2: fixed compilation errors on PPC and reworded commit message drivers/net/dsa/hirschmann/hellcreek.c | 18 +++--------------- drivers/net/ethernet/atheros/ag71xx.c | 13 +++++-------- drivers/net/ethernet/broadcom/bcm63xx_enet.c | 6 ++---- .../net/ethernet/marvell/mvpp2/mvpp2_main.c | 14 +++++--------- drivers/net/ethernet/renesas/rswitch.c | 9 +-------- drivers/net/ethernet/renesas/rtsn.c | 10 ++-------- drivers/net/mdio/mdio-ipq4019.c | 5 +---- 7 files changed, 19 insertions(+), 56 deletions(-) diff --git a/drivers/net/dsa/hirschmann/hellcreek.c b/drivers/net/dsa/hirschmann/hellcreek.c index 283ec5a6e23c..940c4fa6a924 100644 --- a/drivers/net/dsa/hirschmann/hellcreek.c +++ b/drivers/net/dsa/hirschmann/hellcreek.c @@ -1932,7 +1932,6 @@ static int hellcreek_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct hellcreek *hellcreek; - struct resource *res; int ret, i; hellcreek = devm_kzalloc(dev, sizeof(*hellcreek), GFP_KERNEL); @@ -1982,23 +1981,12 @@ static int hellcreek_probe(struct platform_device *pdev) hellcreek->dev = dev; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "tsn"); - if (!res) { - dev_err(dev, "No memory region provided!\n"); - return -ENODEV; - } - - hellcreek->base = devm_ioremap_resource(dev, res); + hellcreek->base = devm_platform_ioremap_resource_byname(pdev, "tsn"); if (IS_ERR(hellcreek->base)) return PTR_ERR(hellcreek->base); - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ptp"); - if (!res) { - dev_err(dev, "No PTP memory region provided!\n"); - return -ENODEV; - } - - hellcreek->ptp_base = devm_ioremap_resource(dev, res); + hellcreek->ptp_base = + devm_platform_ioremap_resource_byname(pdev, "ptp"); if (IS_ERR(hellcreek->ptp_base)) return PTR_ERR(hellcreek->ptp_base); diff --git a/drivers/net/ethernet/atheros/ag71xx.c b/drivers/net/ethernet/atheros/ag71xx.c index 3d4c3d8698e2..928d27b51b2a 100644 --- a/drivers/net/ethernet/atheros/ag71xx.c +++ b/drivers/net/ethernet/atheros/ag71xx.c @@ -1798,15 +1798,16 @@ static int ag71xx_probe(struct platform_device *pdev) if (!ndev) return -ENOMEM; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -EINVAL; - dcfg = of_device_get_match_data(&pdev->dev); if (!dcfg) return -EINVAL; ag = netdev_priv(ndev); + + ag->mac_base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); + if (IS_ERR(ag->mac_base)) + return PTR_ERR(ag->mac_base); + ag->mac_idx = -1; for (i = 0; i < ARRAY_SIZE(ar71xx_addr_ar7100); i++) { if (ar71xx_addr_ar7100[i] == res->start) @@ -1836,10 +1837,6 @@ static int ag71xx_probe(struct platform_device *pdev) return dev_err_probe(&pdev->dev, PTR_ERR(ag->mac_reset), "missing mac reset"); - ag->mac_base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(ag->mac_base)) - return PTR_ERR(ag->mac_base); - /* ensure that HW is in manual polling mode before interrupts are * activated. Otherwise ag71xx_interrupt might call napi_schedule * before it is initialized by netif_napi_add. diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.c b/drivers/net/ethernet/broadcom/bcm63xx_enet.c index 65e3a0656a4c..420317abe3d2 100644 --- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c +++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c @@ -2646,16 +2646,14 @@ static int bcm_enetsw_probe(struct platform_device *pdev) struct bcm_enet_priv *priv; struct net_device *dev; struct bcm63xx_enetsw_platform_data *pd; - struct resource *res_mem; int ret, irq_rx, irq_tx; if (!bcm_enet_shared_base[0]) return -EPROBE_DEFER; - res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq_rx = platform_get_irq(pdev, 0); irq_tx = platform_get_irq(pdev, 1); - if (!res_mem || irq_rx < 0) + if (irq_rx < 0) return -ENODEV; dev = alloc_etherdev(sizeof(*priv)); @@ -2688,7 +2686,7 @@ static int bcm_enetsw_probe(struct platform_device *pdev) if (ret) goto out; - priv->base = devm_ioremap_resource(&pdev->dev, res_mem); + priv->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(priv->base)) { ret = PTR_ERR(priv->base); goto out; diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 571631a30320..faf853edc0db 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -7425,21 +7425,17 @@ static int mvpp2_init(struct platform_device *pdev, struct mvpp2 *priv) static int mvpp2_get_sram(struct platform_device *pdev, struct mvpp2 *priv) { - struct resource *res; void __iomem *base; - res = platform_get_resource(pdev, IORESOURCE_MEM, 2); - if (!res) { + base = devm_platform_ioremap_resource(pdev, 2); + if (IS_ERR(base)) { if (has_acpi_companion(&pdev->dev)) dev_warn(&pdev->dev, "ACPI is too old, Flow control not supported\n"); else - dev_warn(&pdev->dev, "DT is too old, Flow control not supported\n"); - return 0; - } - - base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(base)) + dev_warn(&pdev->dev, + "DT is too old, Flow control not supported\n"); return PTR_ERR(base); + } priv->cm3_base = base; return 0; diff --git a/drivers/net/ethernet/renesas/rswitch.c b/drivers/net/ethernet/renesas/rswitch.c index 8d18dae4d8fb..8ef52fc46a01 100644 --- a/drivers/net/ethernet/renesas/rswitch.c +++ b/drivers/net/ethernet/renesas/rswitch.c @@ -2046,15 +2046,8 @@ static int renesas_eth_sw_probe(struct platform_device *pdev) { const struct soc_device_attribute *attr; struct rswitch_private *priv; - struct resource *res; int ret; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "secure_base"); - if (!res) { - dev_err(&pdev->dev, "invalid resource\n"); - return -EINVAL; - } - priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -2074,7 +2067,7 @@ static int renesas_eth_sw_probe(struct platform_device *pdev) platform_set_drvdata(pdev, priv); priv->pdev = pdev; - priv->addr = devm_ioremap_resource(&pdev->dev, res); + priv->addr = devm_platform_ioremap_resource_byname(pdev, "secure_base"); if (IS_ERR(priv->addr)) return PTR_ERR(priv->addr); diff --git a/drivers/net/ethernet/renesas/rtsn.c b/drivers/net/ethernet/renesas/rtsn.c index 6b3f7fca8d15..bfe08facc707 100644 --- a/drivers/net/ethernet/renesas/rtsn.c +++ b/drivers/net/ethernet/renesas/rtsn.c @@ -1297,14 +1297,8 @@ static int rtsn_probe(struct platform_device *pdev) ndev->netdev_ops = &rtsn_netdev_ops; ndev->ethtool_ops = &rtsn_ethtool_ops; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "gptp"); - if (!res) { - dev_err(&pdev->dev, "Can't find gptp resource\n"); - ret = -EINVAL; - goto error_free; - } - - priv->ptp_priv->addr = devm_ioremap_resource(&pdev->dev, res); + priv->ptp_priv->addr = + devm_platform_ioremap_resource_byname(pdev, "gptp"); if (IS_ERR(priv->ptp_priv->addr)) { ret = PTR_ERR(priv->ptp_priv->addr); goto error_free; diff --git a/drivers/net/mdio/mdio-ipq4019.c b/drivers/net/mdio/mdio-ipq4019.c index 859302b0d38c..50afef293649 100644 --- a/drivers/net/mdio/mdio-ipq4019.c +++ b/drivers/net/mdio/mdio-ipq4019.c @@ -327,7 +327,6 @@ static int ipq4019_mdio_probe(struct platform_device *pdev) { struct ipq4019_mdio_data *priv; struct mii_bus *bus; - struct resource *res; int ret; bus = devm_mdiobus_alloc_size(&pdev->dev, sizeof(*priv)); @@ -351,9 +350,7 @@ static int ipq4019_mdio_probe(struct platform_device *pdev) /* The platform resource is provided on the chipset IPQ5018 */ /* This resource is optional */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - if (res) - priv->eth_ldo_rdy = devm_ioremap_resource(&pdev->dev, res); + priv->eth_ldo_rdy = devm_platform_ioremap_resource(pdev, 1); bus->name = "ipq4019_mdio"; bus->read = ipq4019_mdio_read_c22;