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Date: Mon, 12 Sep 2011 17:45:02 +0200
From: Peter Korsgaard <jacmet@...site.dk>
To: broonie@...nsource.wolfsonmicro.com, sameo@...ux.intel.com,
linux-kernel@...r.kernel.org
Cc: Peter Korsgaard <jacmet@...site.dk>
Subject: [PATCH] wm831x-spi: use id_table rather hand rolled variant handling
The spi subsystem supports device tables nowadays, so use it.
Only build tested as I don't have the hw.
Signed-off-by: Peter Korsgaard <jacmet@...site.dk>
---
drivers/mfd/wm831x-spi.c | 138 ++++++----------------------------------------
1 files changed, 17 insertions(+), 121 deletions(-)
diff --git a/drivers/mfd/wm831x-spi.c b/drivers/mfd/wm831x-spi.c
index eed8e4f..2387247 100644
--- a/drivers/mfd/wm831x-spi.c
+++ b/drivers/mfd/wm831x-spi.c
@@ -69,22 +69,8 @@ static int __devinit wm831x_spi_probe(struct spi_device *spi)
struct wm831x *wm831x;
enum wm831x_parent type;
- /* 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 {
+ type = spi_get_device_id(spi)->driver_data;
+ if (!type) {
dev_err(&spi->dev, "Unknown device type\n");
return -EINVAL;
}
@@ -126,128 +112,38 @@ 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_ids[] = {
+ { "wm8310", WM8310 },
+ { "wm8311", WM8311 },
+ { "wm8312", WM8312 },
+ { "wm8320", WM8320 },
+ { "wm8321", WM8321 },
+ { "wm8325", WM8325 },
+ { "wm8326", WM8326 },
+ { },
};
+MODULE_DEVICE_TABLE(spi, wm831x_ids);
-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",
- .bus = &spi_bus_type,
+ .name = "wm831x",
.owner = THIS_MODULE,
.pm = &wm831x_spi_pm,
},
.probe = wm831x_spi_probe,
.remove = __devexit_p(wm831x_spi_remove),
+ .id_table = wm831x_ids,
};
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);
- if (ret != 0)
- pr_err("Failed to register WM8326 SPI driver: %d\n", ret);
-
- return 0;
+ return spi_register_driver(&wm831x_spi_driver);
}
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);
--
1.7.5.4
--
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