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staging: dt3155v4l: remove irq_handler from struct dt3155_priv 

There is no reason to cache the irq_handler in struct dt3155_priv.  Just pass
the function directly in request_irq.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
H Hartley Sweeten 2011-09-07 14:37:59 -07:00 committed by Greg Kroah-Hartman
parent f748b65bfc
commit 170786474a
2 changed files with 1 additions and 4 deletions
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3
drivers/staging/dt3155v4l/dt3155v4l.c
View File

@ -406,8 +406,7 @@ dt3155_open(struct file *filp)
/* disable all irqs, clear all irq flags */
iowrite32(FLD_START | FLD_END_EVEN | FLD_END_ODD,
pd->regs + INT_CSR);
pd->irq_handler = dt3155_irq_handler_even;
ret = request_irq(pd->pdev->irq, pd->irq_handler,
ret = request_irq(pd->pdev->irq, dt3155_irq_handler_even,
IRQF_SHARED, DT3155_NAME, pd);
if (ret)
goto err_request_irq;

2
drivers/staging/dt3155v4l/dt3155v4l.h
View File

@ -183,7 +183,6 @@ struct dt3155_stats {
* @q pointer to vb2_queue structure
* @curr_buf: pointer to curren buffer
* @mux: mutex to protect the instance
* @irq_handler: irq handler for the driver
* @dmaq queue for dma buffers
* @lock spinlock for dma queue
* @field_count fields counter
@ -199,7 +198,6 @@ struct dt3155_priv {
struct vb2_queue *q;
struct vb2_buffer *curr_buf;
struct mutex mux;
irq_handler_t irq_handler;
struct list_head dmaq;
spinlock_t lock;
unsigned int field_count;