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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-21 08:19:28 +00:00
[PATCH] powerpc: cleaned up fsl_soc.c
Cleaned up fsl_soc.c based on comments from Olof Johansson. Ran through Lindent, and split gfar_mdio init into its own function. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
parent
d2515c806e
commit
2fb07d776b
1 changed files with 94 additions and 58 deletions
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@ -40,7 +40,7 @@ phys_addr_t get_immrbase(void)
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return immrbase;
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soc = of_find_node_by_type(NULL, "soc");
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if (soc != 0) {
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if (soc) {
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unsigned int size;
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void *prop = get_property(soc, "reg", &size);
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immrbase = of_translate_address(soc, prop);
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@ -49,21 +49,20 @@ phys_addr_t get_immrbase(void)
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return immrbase;
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}
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EXPORT_SYMBOL(get_immrbase);
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static const char * gfar_tx_intr = "tx";
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static const char * gfar_rx_intr = "rx";
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static const char * gfar_err_intr = "error";
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static int __init gfar_of_init(void)
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static int __init gfar_mdio_of_init(void)
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{
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struct device_node *np;
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unsigned int i;
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struct platform_device *mdio_dev, *gfar_dev;
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struct platform_device *mdio_dev;
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struct resource res;
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int ret;
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for (np = NULL, i = 0; (np = of_find_compatible_node(np, "mdio", "gianfar")) != NULL; i++) {
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for (np = NULL, i = 0;
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(np = of_find_compatible_node(np, "mdio", "gianfar")) != NULL;
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i++) {
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int k;
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struct device_node *child = NULL;
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struct gianfar_mdio_data mdio_data;
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@ -73,12 +72,14 @@ static int __init gfar_of_init(void)
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ret = of_address_to_resource(np, 0, &res);
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if (ret)
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goto mdio_err;
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goto err;
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mdio_dev = platform_device_register_simple("fsl-gianfar_mdio", res.start, &res, 1);
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mdio_dev =
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platform_device_register_simple("fsl-gianfar_mdio",
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res.start, &res, 1);
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if (IS_ERR(mdio_dev)) {
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ret = PTR_ERR(mdio_dev);
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goto mdio_err;
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goto err;
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}
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for (k = 0; k < 32; k++)
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@ -86,17 +87,44 @@ static int __init gfar_of_init(void)
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while ((child = of_get_next_child(np, child)) != NULL) {
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if (child->n_intrs) {
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u32 *id = (u32 *) get_property(child, "reg", NULL);
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u32 *id =
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(u32 *) get_property(child, "reg", NULL);
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mdio_data.irq[*id] = child->intrs[0].line;
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}
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}
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ret = platform_device_add_data(mdio_dev, &mdio_data, sizeof(struct gianfar_mdio_data));
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ret =
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platform_device_add_data(mdio_dev, &mdio_data,
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sizeof(struct gianfar_mdio_data));
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if (ret)
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goto mdio_unreg;
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goto unreg;
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}
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for (np = NULL, i = 0; (np = of_find_compatible_node(np, "network", "gianfar")) != NULL; i++) {
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return 0;
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unreg:
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platform_device_unregister(mdio_dev);
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err:
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return ret;
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}
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arch_initcall(gfar_mdio_of_init);
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static const char *gfar_tx_intr = "tx";
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static const char *gfar_rx_intr = "rx";
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static const char *gfar_err_intr = "error";
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static int __init gfar_of_init(void)
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{
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struct device_node *np;
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unsigned int i;
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struct platform_device *gfar_dev;
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struct resource res;
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int ret;
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for (np = NULL, i = 0;
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(np = of_find_compatible_node(np, "network", "gianfar")) != NULL;
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i++) {
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struct resource r[4];
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struct device_node *phy, *mdio;
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struct gianfar_platform_data gfar_data;
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@ -110,7 +138,7 @@ static int __init gfar_of_init(void)
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ret = of_address_to_resource(np, 0, &r[0]);
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if (ret)
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goto gfar_err;
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goto err;
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r[1].start = np->intrs[0].line;
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r[1].end = np->intrs[0].line;
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@ -133,11 +161,13 @@ static int __init gfar_of_init(void)
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r[3].flags = IORESOURCE_IRQ;
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}
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gfar_dev = platform_device_register_simple("fsl-gianfar", i, &r[0], np->n_intrs + 1);
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gfar_dev =
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platform_device_register_simple("fsl-gianfar", i, &r[0],
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np->n_intrs + 1);
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if (IS_ERR(gfar_dev)) {
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ret = PTR_ERR(gfar_dev);
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goto gfar_err;
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goto err;
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}
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mac_addr = get_property(np, "address", NULL);
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@ -164,7 +194,7 @@ static int __init gfar_of_init(void)
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if (phy == NULL) {
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ret = -ENODEV;
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goto gfar_unreg;
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goto unreg;
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}
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mdio = of_get_parent(phy);
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@ -174,7 +204,7 @@ static int __init gfar_of_init(void)
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if (ret) {
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of_node_put(phy);
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of_node_put(mdio);
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goto gfar_unreg;
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goto unreg;
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}
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gfar_data.phy_id = *id;
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@ -183,23 +213,22 @@ static int __init gfar_of_init(void)
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of_node_put(phy);
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of_node_put(mdio);
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ret = platform_device_add_data(gfar_dev, &gfar_data, sizeof(struct gianfar_platform_data));
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ret =
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platform_device_add_data(gfar_dev, &gfar_data,
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sizeof(struct
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gianfar_platform_data));
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if (ret)
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goto gfar_unreg;
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goto unreg;
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}
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return 0;
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mdio_unreg:
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platform_device_unregister(mdio_dev);
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mdio_err:
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return ret;
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gfar_unreg:
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unreg:
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platform_device_unregister(gfar_dev);
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gfar_err:
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err:
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return ret;
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}
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arch_initcall(gfar_of_init);
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static int __init fsl_i2c_of_init(void)
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@ -209,17 +238,19 @@ static int __init fsl_i2c_of_init(void)
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struct platform_device *i2c_dev;
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int ret;
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for (np = NULL, i = 0; (np = of_find_compatible_node(np, "i2c", "fsl-i2c")) != NULL; i++) {
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for (np = NULL, i = 0;
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(np = of_find_compatible_node(np, "i2c", "fsl-i2c")) != NULL;
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i++) {
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struct resource r[2];
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struct fsl_i2c_platform_data i2c_data;
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unsigned char * flags = NULL;
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unsigned char *flags = NULL;
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memset(&r, 0, sizeof(r));
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memset(&i2c_data, 0, sizeof(i2c_data));
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ret = of_address_to_resource(np, 0, &r[0]);
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if (ret)
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goto i2c_err;
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goto err;
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r[1].start = np->intrs[0].line;
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r[1].end = np->intrs[0].line;
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@ -228,7 +259,7 @@ static int __init fsl_i2c_of_init(void)
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i2c_dev = platform_device_register_simple("fsl-i2c", i, r, 2);
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if (IS_ERR(i2c_dev)) {
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ret = PTR_ERR(i2c_dev);
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goto i2c_err;
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goto err;
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}
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i2c_data.device_flags = 0;
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@ -240,18 +271,22 @@ static int __init fsl_i2c_of_init(void)
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if (flags)
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i2c_data.device_flags |= FSL_I2C_DEV_CLOCK_5200;
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ret = platform_device_add_data(i2c_dev, &i2c_data, sizeof(struct fsl_i2c_platform_data));
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ret =
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platform_device_add_data(i2c_dev, &i2c_data,
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sizeof(struct
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fsl_i2c_platform_data));
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if (ret)
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goto i2c_unreg;
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goto unreg;
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}
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return 0;
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i2c_unreg:
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unreg:
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platform_device_unregister(i2c_dev);
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i2c_err:
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err:
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return ret;
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}
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arch_initcall(fsl_i2c_of_init);
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#ifdef CONFIG_PPC_83xx
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@ -267,51 +302,52 @@ static int __init mpc83xx_wdt_init(void)
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if (!np) {
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ret = -ENODEV;
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goto mpc83xx_wdt_nodev;
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goto nodev;
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}
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soc = of_find_node_by_type(NULL, "soc");
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if (!soc) {
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ret = -ENODEV;
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goto mpc83xx_wdt_nosoc;
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goto nosoc;
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}
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freq = (unsigned int *)get_property(soc, "bus-frequency", NULL);
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if (!freq) {
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ret = -ENODEV;
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goto mpc83xx_wdt_err;
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goto err;
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}
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memset(&r, 0, sizeof(r));
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ret = of_address_to_resource(np, 0, &r);
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if (ret)
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goto mpc83xx_wdt_err;
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goto err;
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dev = platform_device_register_simple("mpc83xx_wdt", 0, &r, 1);
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if (IS_ERR(dev)) {
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ret = PTR_ERR(dev);
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goto mpc83xx_wdt_err;
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goto err;
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}
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ret = platform_device_add_data(dev, freq, sizeof(int));
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if (ret)
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goto mpc83xx_wdt_unreg;
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goto unreg;
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of_node_put(soc);
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of_node_put(np);
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return 0;
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mpc83xx_wdt_unreg:
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unreg:
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platform_device_unregister(dev);
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mpc83xx_wdt_err:
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err:
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of_node_put(soc);
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mpc83xx_wdt_nosoc:
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nosoc:
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of_node_put(np);
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mpc83xx_wdt_nodev:
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nodev:
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return ret;
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}
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arch_initcall(mpc83xx_wdt_init);
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#endif
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