From: Madalin Bucur Date: Mon, 16 May 2016 13:57:14 +0000 (+0300) Subject: fsl/fman: simplify device tree reads X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=537a31658f8a01d635eb628eff5895672ac03981;p=linux-beck.git fsl/fman: simplify device tree reads Signed-off-by: Madalin Bucur --- diff --git a/drivers/net/ethernet/freescale/fman/fman.c b/drivers/net/ethernet/freescale/fman/fman.c index fb2574878958..2278bbd6bdfe 100644 --- a/drivers/net/ethernet/freescale/fman/fman.c +++ b/drivers/net/ethernet/freescale/fman/fman.c @@ -2737,8 +2737,8 @@ static struct fman *read_dts_node(struct platform_device *of_dev) struct fman *fman; struct device_node *fm_node, *muram_node; struct resource *res; - const u32 *u32_prop; - int lenp, err, irq; + u32 val, range[2]; + int err, irq; struct clk *clk; u32 clk_rate; phys_addr_t phys_base_addr; @@ -2750,16 +2750,13 @@ static struct fman *read_dts_node(struct platform_device *of_dev) fm_node = of_node_get(of_dev->dev.of_node); - u32_prop = (const u32 *)of_get_property(fm_node, "cell-index", &lenp); - if (!u32_prop) { - dev_err(&of_dev->dev, "%s: of_get_property(%s, cell-index) failed\n", + err = of_property_read_u32(fm_node, "cell-index", &val); + if (err) { + dev_err(&of_dev->dev, "%s: failed to read cell-index for %s\n", __func__, fm_node->full_name); goto fman_node_put; } - if (WARN_ON(lenp != sizeof(u32))) - goto fman_node_put; - - fman->dts_params.id = (u8)fdt32_to_cpu(u32_prop[0]); + fman->dts_params.id = (u8)val; /* Get the FM interrupt */ res = platform_get_resource(of_dev, IORESOURCE_IRQ, 0); @@ -2806,18 +2803,15 @@ static struct fman *read_dts_node(struct platform_device *of_dev) /* Rounding to MHz */ fman->dts_params.clk_freq = DIV_ROUND_UP(clk_rate, 1000000); - u32_prop = (const u32 *)of_get_property(fm_node, - "fsl,qman-channel-range", - &lenp); - if (!u32_prop) { - dev_err(&of_dev->dev, "%s: of_get_property(%s, fsl,qman-channel-range) failed\n", + err = of_property_read_u32_array(fm_node, "fsl,qman-channel-range", + &range[0], 2); + if (err) { + dev_err(&of_dev->dev, "%s: failed to read fsl,qman-channel-range for %s\n", __func__, fm_node->full_name); goto fman_node_put; } - if (WARN_ON(lenp != sizeof(u32) * 2)) - goto fman_node_put; - fman->dts_params.qman_channel_base = fdt32_to_cpu(u32_prop[0]); - fman->dts_params.num_of_qman_channels = fdt32_to_cpu(u32_prop[1]); + fman->dts_params.qman_channel_base = range[0]; + fman->dts_params.num_of_qman_channels = range[1]; /* Get the MURAM base address and size */ muram_node = of_find_matching_node(fm_node, fman_muram_match); diff --git a/drivers/net/ethernet/freescale/fman/fman_port.c b/drivers/net/ethernet/freescale/fman/fman_port.c index 8b043e7b070b..9f3bb50a2365 100644 --- a/drivers/net/ethernet/freescale/fman/fman_port.c +++ b/drivers/net/ethernet/freescale/fman/fman_port.c @@ -1625,7 +1625,7 @@ static int fman_port_probe(struct platform_device *of_dev) struct device_node *fm_node, *port_node; struct resource res; struct resource *dev_res; - const u32 *u32_prop; + u32 val; int err = 0, lenp; enum fman_port_type port_type; u16 port_speed; @@ -1654,28 +1654,20 @@ static int fman_port_probe(struct platform_device *of_dev) goto return_err; } - u32_prop = (const u32 *)of_get_property(port_node, "cell-index", &lenp); - if (!u32_prop) { - dev_err(port->dev, "%s: of_get_property(%s, cell-index) failed\n", + err = of_property_read_u32(port_node, "cell-index", &val); + if (err) { + dev_err(port->dev, "%s: reading cell-index for %s failed\n", __func__, port_node->full_name); err = -EINVAL; goto return_err; } - if (WARN_ON(lenp != sizeof(u32))) { - err = -EINVAL; - goto return_err; - } - port_id = (u8)fdt32_to_cpu(u32_prop[0]); - + port_id = (u8)val; port->dts_params.id = port_id; if (of_device_is_compatible(port_node, "fsl,fman-v3-port-tx")) { port_type = FMAN_PORT_TYPE_TX; port_speed = 1000; - u32_prop = (const u32 *)of_get_property(port_node, - "fsl,fman-10g-port", - &lenp); - if (u32_prop) + if (of_find_property(port_node, "fsl,fman-10g-port", &lenp)) port_speed = 10000; } else if (of_device_is_compatible(port_node, "fsl,fman-v2-port-tx")) { @@ -1688,9 +1680,7 @@ static int fman_port_probe(struct platform_device *of_dev) } else if (of_device_is_compatible(port_node, "fsl,fman-v3-port-rx")) { port_type = FMAN_PORT_TYPE_RX; port_speed = 1000; - u32_prop = (const u32 *)of_get_property(port_node, - "fsl,fman-10g-port", &lenp); - if (u32_prop) + if (of_find_property(port_node, "fsl,fman-10g-port", &lenp)) port_speed = 10000; } else if (of_device_is_compatible(port_node, "fsl,fman-v2-port-rx")) { diff --git a/drivers/net/ethernet/freescale/fman/mac.c b/drivers/net/ethernet/freescale/fman/mac.c index f94fad7884df..dc04e617af8d 100644 --- a/drivers/net/ethernet/freescale/fman/mac.c +++ b/drivers/net/ethernet/freescale/fman/mac.c @@ -653,7 +653,7 @@ MODULE_DEVICE_TABLE(of, mac_match); static int mac_probe(struct platform_device *_of_dev) { - int err, i, lenp, nph; + int err, i, nph; struct device *dev; struct device_node *mac_node, *dev_node; struct mac_device *mac_dev; @@ -661,7 +661,7 @@ static int mac_probe(struct platform_device *_of_dev) struct resource res; struct mac_priv_s *priv; const u8 *mac_addr; - const u32 *u32_prop; + u32 val; u8 fman_id; dev = &_of_dev->dev; @@ -723,16 +723,15 @@ static int mac_probe(struct platform_device *_of_dev) } /* Get the FMan cell-index */ - u32_prop = of_get_property(dev_node, "cell-index", &lenp); - if (!u32_prop) { - dev_err(dev, "of_get_property(%s, cell-index) failed\n", + err = of_property_read_u32(dev_node, "cell-index", &val); + if (err) { + dev_err(dev, "failed to read cell-index for %s\n", dev_node->full_name); err = -EINVAL; goto _return_of_node_put; } - WARN_ON(lenp != sizeof(u32)); /* cell-index 0 => FMan id 1 */ - fman_id = (u8)(fdt32_to_cpu(u32_prop[0]) + 1); + fman_id = (u8)(val + 1); priv->fman = fman_bind(&of_dev->dev); if (!priv->fman) { @@ -779,15 +778,14 @@ static int mac_probe(struct platform_device *_of_dev) } /* Get the cell-index */ - u32_prop = of_get_property(mac_node, "cell-index", &lenp); - if (!u32_prop) { - dev_err(dev, "of_get_property(%s, cell-index) failed\n", + err = of_property_read_u32(mac_node, "cell-index", &val); + if (err) { + dev_err(dev, "failed to read cell-index for %s\n", mac_node->full_name); err = -EINVAL; goto _return_dev_set_drvdata; } - WARN_ON(lenp != sizeof(u32)); - priv->cell_index = (u8)fdt32_to_cpu(u32_prop[0]); + priv->cell_index = (u8)val; /* Get the MAC address */ mac_addr = of_get_mac_address(mac_node); @@ -847,7 +845,7 @@ static int mac_probe(struct platform_device *_of_dev) priv->phy_if = of_get_phy_mode(mac_node); if (priv->phy_if < 0) { dev_warn(dev, - "of_get_property(%s, phy-connection-type) failed. Defaulting to MII\n", + "of_get_phy_mode() for %s failed. Defaulting to MII\n", mac_node->full_name); priv->phy_if = PHY_INTERFACE_MODE_MII; }