[PATCH] more work_struct fixes: tas300x sound drivers

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 14 insertions, 15 deletions

diff --git a/sound/oss/dmasound/tas3001c.c b/sound/oss/dmasound/tas3001c.c
index f227c9f688c..2f21a3c0037 100644
--- a/sound/oss/dmasound/tas3001c.c
+++ b/sound/oss/dmasound/tas3001c.c
@@ -50,6 +50,7 @@ struct tas3001c_data_t {
         int output_id;
         int speaker_id;
         struct tas_drce_t drce_state;
+        struct work_struct change;
 };
 
 
@@ -667,14 +668,13 @@ tas3001c_update_device_parameters(struct tas3001c_data_t *self)
 }
 
 static void
-tas3001c_device_change_handler(void *self)
+tas3001c_device_change_handler(struct work_struct *work)
 {
-        if (self)
-                tas3001c_update_device_parameters(self);
+        struct tas3001c_data_t *self;
+        self = container_of(work, struct tas3001c_data_t, change);
+        tas3001c_update_device_parameters(self);
 }
 
-static struct work_struct device_change;
-
 static int
 tas3001c_output_device_change(  struct tas3001c_data_t *self,
                                 int device_id,
@@ -685,7 +685,7 @@ tas3001c_output_device_change(	struct tas3001c_data_t *self,
         self->output_id=output_id;
         self->speaker_id=speaker_id;
 
-        schedule_work(&device_change);
+        schedule_work(&self->change);
         return 0;
 }
 
@@ -823,7 +823,7 @@ tas3001c_init(struct i2c_client *client)
                         tas3001c_write_biquad_shadow(self, i, j,
                                 &tas3001c_eq_unity);
 
-        INIT_WORK(&device_change, tas3001c_device_change_handler, self);
+        INIT_WORK(&self->change, tas3001c_device_change_handler);
         return 0;
 }
 
diff --git a/sound/oss/dmasound/tas3004.c b/sound/oss/dmasound/tas3004.c
index 82eaaca2db9..af34fb39bc2 100644
--- a/sound/oss/dmasound/tas3004.c
+++ b/sound/oss/dmasound/tas3004.c
@@ -48,6 +48,7 @@ struct tas3004_data_t {
         int output_id;
         int speaker_id;
         struct tas_drce_t drce_state;
+        struct work_struct change;
 };
 
 #define MAKE_TIME(sec,usec) (((sec)<<12) + (50000+(usec/10)*(1<<12))/100000)
@@ -914,15 +915,13 @@ tas3004_update_device_parameters(struct tas3004_data_t *self)
 }
 
 static void
-tas3004_device_change_handler(void *self)
+tas3004_device_change_handler(struct work_struct *work)
 {
-        if (!self) return;
-
-        tas3004_update_device_parameters((struct tas3004_data_t *)self);
+        struct tas3004_data_t *self;
+        self = container_of(work, struct tas3004_data_t, change);
+        tas3004_update_device_parameters(self);
 }
 
-static struct work_struct device_change;
-
 static int
 tas3004_output_device_change(   struct tas3004_data_t *self,
                                 int device_id,
@@ -933,7 +932,7 @@ tas3004_output_device_change(	struct tas3004_data_t *self,
         self->output_id=output_id;
         self->speaker_id=speaker_id;
 
-        schedule_work(&device_change);
+        schedule_work(&self->change);
 
         return 0;
 }
@@ -1112,7 +1111,7 @@ tas3004_init(struct i2c_client *client)
         tas3004_write_register(self, TAS3004_REG_MCR2, &mcr2, WRITE_SHADOW);
         tas3004_write_register(self, TAS3004_REG_DRC, drce_init, WRITE_SHADOW);
 
-        INIT_WORK(&device_change, tas3004_device_change_handler, self);
+        INIT_WORK(&self->change, tas3004_device_change_handler);
         return 0;
 }