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

SVN-Revision: 14475

diff --git a/target/linux/generic-2.6/patches-2.6.28/920-01-hotpluggable-spi-gpio.patch b/target/linux/generic-2.6/patches-2.6.28/920-01-hotpluggable-spi-gpio.patch
new file mode 100644 (file)
index 0000000..1b7c11d
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.28/920-01-hotpluggable-spi-gpio.patch
@@ -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);
+