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Staging: vc04_services: remove unused variables

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the volatile fields of bcm2835_alsa_stream -
control and status are not used.

$ grep bcm2835_alsa_stream
>From the above command all instances we see that
all variables of 'bcm2835_alsa_stream' are declared as
'alsa_stream'

So search for 'control' wherever we have 'alsa_stream'

$ grep -l 'alsa_stream' | xargs grep "control"
The above command returns where we don't any usage of
'control' field. which means that there is no usage of
these fields.

similarly for 'status' we see no usages.

Signed-off-by: Keerthi Reddy <keerthigd4990@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Keerthi Reddy
2017-09-28 20:28:40 +05:30
committed by Greg Kroah-Hartman
parent d3c2d5289b
commit e5c9d1107a
1 changed files with 0 additions and 2 deletions
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drivers/staging/vc04_services/bcm2835-audio/bcm2835.h
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@@ -123,8 +123,6 @@ struct bcm2835_alsa_stream {
struct snd_pcm_indirect pcm_indirect;
spinlock_t lock;
volatile unsigned int control;
volatile unsigned int status;
int open;
int running;