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Subject[PATCH] move snd_powermac's probe function to .devinit.text
A pointer to snd_pmac_probe is passed to the core via
platform_driver_register and so the function must not disappear when the
.init sections are discarded. Otherwise (when having HOTPLUG=y)
unbinding and binding a device to the driver via sysfs will result in an
oops as does a device being registered late.

An alternative to this patch is using platform_driver_probe instead of
platform_driver_register plus removing the pointer to the probe function
from the struct platform_driver.

Signed-off-by: Uwe Kleine-König <>
sound/ppc/powermac.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/sound/ppc/powermac.c b/sound/ppc/powermac.c
index c936225..c95c30d 100644
--- a/sound/ppc/powermac.c
+++ b/sound/ppc/powermac.c
@@ -51,7 +51,7 @@ static struct platform_device *device;

-static int __init snd_pmac_probe(struct platform_device *devptr)
+static int __devinit snd_pmac_probe(struct platform_device *devptr)
struct snd_card *card;
struct snd_pmac *chip;
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