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authorDavid Brownell <david-b@pacbell.net>2007-08-30 23:56:24 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-08-31 01:42:22 -0700
commitfc3ba9525b50ea0d1670357ece21ebedcee507ae (patch)
tree857f3817737c800e8d45fbb129993a4b5dfbd3bf /drivers/spi/spi_s3c24xx.c
parentf2ab6d8889422c1f5354f014e8bef337b1d1bade (diff)
SPI driver hotplug/coldplug fixes
Update various SPI drivers so they properly support - coldplug through "modprobe $(cat /sys/devices/.../modalias)" - hotplug through "modprobe $(MODALIAS)" The basic rule for platform, SPI, and (new style) I2C drivers is just to make sure that modprobing the driver name works. In this case, all the relevant drivers are platform drivers, and this patch either (a) Changes the driver name, if no in-tree code would break; this is simpler and thus preferable in the long term. (b) Adds MODULE_ALIAS directives, when in-tree platforms declare devices using the current driver name; less desirable. Most systems will link SPI controller drivers statically, but there's no point in being needlessly broken. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Jean Delvare <khali@linux-fr.org> Acked-by: Andrei Konovalov <akonovalov@ru.mvista.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/spi/spi_s3c24xx.c')
-rw-r--r--drivers/spi/spi_s3c24xx.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/spi/spi_s3c24xx.c b/drivers/spi/spi_s3c24xx.c
index 5cf48123e0e..e9b683f7d7b 100644
--- a/drivers/spi/spi_s3c24xx.c
+++ b/drivers/spi/spi_s3c24xx.c
@@ -427,6 +427,7 @@ static int s3c24xx_spi_resume(struct platform_device *pdev)
#define s3c24xx_spi_resume NULL
#endif
+MODULE_ALIAS("s3c2410_spi"); /* for platform bus hotplug */
static struct platform_driver s3c24xx_spidrv = {
.probe = s3c24xx_spi_probe,
.remove = s3c24xx_spi_remove,