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author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-07-24 11:44:19 +0100 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-08-22 12:24:19 +0100 |
commit | 5570c2f709bdc455a2e8907919c1214ca8a21859 (patch) | |
tree | 63734cc0ca85c82813ffcca1581d8370342dbe39 /drivers/mfd/wm831x-spi.c | |
parent | 2e47fff113b7468be2d905e381408c05df72f1ae (diff) | |
download | linux-5570c2f709bdc455a2e8907919c1214ca8a21859.tar.gz linux-5570c2f709bdc455a2e8907919c1214ca8a21859.tar.bz2 linux-5570c2f709bdc455a2e8907919c1214ca8a21859.zip |
mfd: Use device ID matching for WM831x SPI driver
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd/wm831x-spi.c')
-rw-r--r-- | drivers/mfd/wm831x-spi.c | 138 |
1 files changed, 19 insertions, 119 deletions
diff --git a/drivers/mfd/wm831x-spi.c b/drivers/mfd/wm831x-spi.c index dbe11472afce..5ea60cd860fc 100644 --- a/drivers/mfd/wm831x-spi.c +++ b/drivers/mfd/wm831x-spi.c @@ -23,29 +23,12 @@ static int __devinit wm831x_spi_probe(struct spi_device *spi) { + const struct spi_device_id *id = spi_get_device_id(spi); struct wm831x *wm831x; enum wm831x_parent type; int ret; - /* Currently SPI support for ID tables is unmerged, we're faking it */ - if (strcmp(spi->modalias, "wm8310") == 0) - type = WM8310; - else if (strcmp(spi->modalias, "wm8311") == 0) - type = WM8311; - else if (strcmp(spi->modalias, "wm8312") == 0) - type = WM8312; - else if (strcmp(spi->modalias, "wm8320") == 0) - type = WM8320; - else if (strcmp(spi->modalias, "wm8321") == 0) - type = WM8321; - else if (strcmp(spi->modalias, "wm8325") == 0) - type = WM8325; - else if (strcmp(spi->modalias, "wm8326") == 0) - type = WM8326; - else { - dev_err(&spi->dev, "Unknown device type\n"); - return -EINVAL; - } + type = (enum wm831x_parent)id->driver_data; wm831x = kzalloc(sizeof(struct wm831x), GFP_KERNEL); if (wm831x == NULL) @@ -57,7 +40,7 @@ static int __devinit wm831x_spi_probe(struct spi_device *spi) dev_set_drvdata(&spi->dev, wm831x); wm831x->dev = &spi->dev; - wm831x->regmap = regmap_init_spi(wm831x->dev, &wm831x_regmap_config); + wm831x->regmap = regmap_init_spi(spi, &wm831x_regmap_config); if (IS_ERR(wm831x->regmap)) { ret = PTR_ERR(wm831x->regmap); dev_err(wm831x->dev, "Failed to allocate register map: %d\n", @@ -90,79 +73,26 @@ static const struct dev_pm_ops wm831x_spi_pm = { .suspend = wm831x_spi_suspend, }; -static struct spi_driver wm8310_spi_driver = { - .driver = { - .name = "wm8310", - .bus = &spi_bus_type, - .owner = THIS_MODULE, - .pm = &wm831x_spi_pm, - }, - .probe = wm831x_spi_probe, - .remove = __devexit_p(wm831x_spi_remove), -}; - -static struct spi_driver wm8311_spi_driver = { - .driver = { - .name = "wm8311", - .bus = &spi_bus_type, - .owner = THIS_MODULE, - .pm = &wm831x_spi_pm, - }, - .probe = wm831x_spi_probe, - .remove = __devexit_p(wm831x_spi_remove), +static const struct spi_device_id wm831x_spi_ids[] = { + { "wm8310", WM8310 }, + { "wm8311", WM8311 }, + { "wm8312", WM8312 }, + { "wm8320", WM8320 }, + { "wm8321", WM8321 }, + { "wm8325", WM8325 }, + { "wm8326", WM8326 }, + { }, }; +MODULE_DEVICE_TABLE(spi, wm831x_spi_id); -static struct spi_driver wm8312_spi_driver = { +static struct spi_driver wm831x_spi_driver = { .driver = { - .name = "wm8312", - .bus = &spi_bus_type, - .owner = THIS_MODULE, - .pm = &wm831x_spi_pm, - }, - .probe = wm831x_spi_probe, - .remove = __devexit_p(wm831x_spi_remove), -}; - -static struct spi_driver wm8320_spi_driver = { - .driver = { - .name = "wm8320", - .bus = &spi_bus_type, - .owner = THIS_MODULE, - .pm = &wm831x_spi_pm, - }, - .probe = wm831x_spi_probe, - .remove = __devexit_p(wm831x_spi_remove), -}; - -static struct spi_driver wm8321_spi_driver = { - .driver = { - .name = "wm8321", - .bus = &spi_bus_type, - .owner = THIS_MODULE, - .pm = &wm831x_spi_pm, - }, - .probe = wm831x_spi_probe, - .remove = __devexit_p(wm831x_spi_remove), -}; - -static struct spi_driver wm8325_spi_driver = { - .driver = { - .name = "wm8325", - .bus = &spi_bus_type, - .owner = THIS_MODULE, - .pm = &wm831x_spi_pm, - }, - .probe = wm831x_spi_probe, - .remove = __devexit_p(wm831x_spi_remove), -}; - -static struct spi_driver wm8326_spi_driver = { - .driver = { - .name = "wm8326", + .name = "wm831x", .bus = &spi_bus_type, .owner = THIS_MODULE, .pm = &wm831x_spi_pm, }, + .id_table = wm831x_spi_ids, .probe = wm831x_spi_probe, .remove = __devexit_p(wm831x_spi_remove), }; @@ -171,33 +101,9 @@ static int __init wm831x_spi_init(void) { int ret; - ret = spi_register_driver(&wm8310_spi_driver); - if (ret != 0) - pr_err("Failed to register WM8310 SPI driver: %d\n", ret); - - ret = spi_register_driver(&wm8311_spi_driver); - if (ret != 0) - pr_err("Failed to register WM8311 SPI driver: %d\n", ret); - - ret = spi_register_driver(&wm8312_spi_driver); - if (ret != 0) - pr_err("Failed to register WM8312 SPI driver: %d\n", ret); - - ret = spi_register_driver(&wm8320_spi_driver); - if (ret != 0) - pr_err("Failed to register WM8320 SPI driver: %d\n", ret); - - ret = spi_register_driver(&wm8321_spi_driver); - if (ret != 0) - pr_err("Failed to register WM8321 SPI driver: %d\n", ret); - - ret = spi_register_driver(&wm8325_spi_driver); - if (ret != 0) - pr_err("Failed to register WM8325 SPI driver: %d\n", ret); - - ret = spi_register_driver(&wm8326_spi_driver); + ret = spi_register_driver(&wm831x_spi_driver); if (ret != 0) - pr_err("Failed to register WM8326 SPI driver: %d\n", ret); + pr_err("Failed to register WM831x SPI driver: %d\n", ret); return 0; } @@ -205,13 +111,7 @@ subsys_initcall(wm831x_spi_init); static void __exit wm831x_spi_exit(void) { - spi_unregister_driver(&wm8326_spi_driver); - spi_unregister_driver(&wm8325_spi_driver); - spi_unregister_driver(&wm8321_spi_driver); - spi_unregister_driver(&wm8320_spi_driver); - spi_unregister_driver(&wm8312_spi_driver); - spi_unregister_driver(&wm8311_spi_driver); - spi_unregister_driver(&wm8310_spi_driver); + spi_unregister_driver(&wm831x_spi_driver); } module_exit(wm831x_spi_exit); |