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Make spi-gpio hotplug capable, so we can initialize devices after boot. 

SVN-Revision: 14475
lede-17.01
Michael Büsch 2009-02-11 18:01:59 +00:00
parent 60b157c3c8
commit d64adbe7bb
1 changed files with 62 additions and 0 deletions
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62
target/linux/generic-2.6/patches-2.6.28/920-01-hotpluggable-spi-gpio.patch Normal file
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@ -0,0 +1,62 @@
Fix spi-gpio for hotplug.
--mb
Index: linux-2.6.28.2/drivers/spi/spi_gpio.c
===================================================================
--- linux-2.6.28.2.orig/drivers/spi/spi_gpio.c 2009-02-11 17:58:42.000000000 +0100
+++ linux-2.6.28.2/drivers/spi/spi_gpio.c 2009-02-11 18:48:23.000000000 +0100
@@ -213,7 +213,7 @@ static void spi_gpio_cleanup(struct spi_
spi_bitbang_cleanup(spi);
}
-static int __init spi_gpio_alloc(unsigned pin, const char *label, bool is_in)
+static int __devinit spi_gpio_alloc(unsigned pin, const char *label, bool is_in)
{
int value;
@@ -227,7 +227,7 @@ static int __init spi_gpio_alloc(unsigne
return value;
}
-static int __init
+static int __devinit
spi_gpio_request(struct spi_gpio_platform_data *pdata, const char *label)
{
int value;
@@ -256,7 +256,7 @@ done:
return value;
}
-static int __init spi_gpio_probe(struct platform_device *pdev)
+static int __devinit spi_gpio_probe(struct platform_device *pdev)
{
int status;
struct spi_master *master;
@@ -312,7 +312,7 @@ gpio_free:
return status;
}
-static int __exit spi_gpio_remove(struct platform_device *pdev)
+static int __devexit spi_gpio_remove(struct platform_device *pdev)
{
struct spi_gpio *spi_gpio;
struct spi_gpio_platform_data *pdata;
@@ -339,12 +339,13 @@ MODULE_ALIAS("platform:" DRIVER_NAME);
static struct platform_driver spi_gpio_driver = {
.driver.name = DRIVER_NAME,
.driver.owner = THIS_MODULE,
- .remove = __exit_p(spi_gpio_remove),
+ .probe = spi_gpio_probe,
+ .remove = __devexit_p(spi_gpio_remove),
};
static int __init spi_gpio_init(void)
{
- return platform_driver_probe(&spi_gpio_driver, spi_gpio_probe);
+ return platform_driver_register(&spi_gpio_driver);
}
module_init(spi_gpio_init);