[PATCH] staging: dt3155v4l: remove irq_handler from struct dt3155_priv

From: H Hartley Sweeten
Date: Wed Sep 07 2011 - 17:39:47 EST


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@xxxxxxxxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxx>
Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
Cc: Hans Verkuil <hverkuil@xxxxxxxxx>

---

diff --git a/drivers/staging/dt3155v4l/dt3155v4l.c b/drivers/staging/dt3155v4l/dt3155v4l.c
index 4059ea6..693b3d3 100644
--- a/drivers/staging/dt3155v4l/dt3155v4l.c
+++ b/drivers/staging/dt3155v4l/dt3155v4l.c
@@ -428,8 +428,7 @@ 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) {
printk(KERN_ERR "dt3155: error: request_irq\n");
diff --git a/drivers/staging/dt3155v4l/dt3155v4l.h b/drivers/staging/dt3155v4l/dt3155v4l.h
index b0792b3..fea333c 100644
--- a/drivers/staging/dt3155v4l/dt3155v4l.h
+++ b/drivers/staging/dt3155v4l/dt3155v4l.h
@@ -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;
--
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