media: rockchip/rga: Remove unrequired wait in .job_abort

As per the documentation, job_abort is not required
to wait until the current job finishes. It is redundant
to do so, as the core will perform the wait operation.

Remove the wait infrastructure completely.

Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Reviewed-by: Jacob Chen <jacob-chen@iotwrt.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

diff --git a/drivers/media/platform/rockchip/rga/rga.c b/drivers/media/platform/rockchip/rga/rga.c
index e8dffca..8ace187 100644 (file)
--- a/drivers/media/platform/rockchip/rga/rga.c
+++ b/drivers/media/platform/rockchip/rga/rga.c
@@ -41,14 +41,7 @@ module_param(debug, int, 0644);
 
 static void job_abort(void *prv)
 {
-       struct rga_ctx *ctx = prv;
-       struct rockchip_rga *rga = ctx->rga;
-
-       if (!rga->curr) /* No job currently running */
-               return;
-
-       wait_event_timeout(rga->irq_queue,
-                          !rga->curr, msecs_to_jiffies(RGA_TIMEOUT));
+       /* Can't do anything rational here */
 }
 
 static void device_run(void *prv)
@@ -104,8 +97,6 @@ static irqreturn_t rga_isr(int irq, void *prv)
                v4l2_m2m_buf_done(src, VB2_BUF_STATE_DONE);
                v4l2_m2m_buf_done(dst, VB2_BUF_STATE_DONE);
                v4l2_m2m_job_finish(rga->m2m_dev, ctx->fh.m2m_ctx);
-
-               wake_up(&rga->irq_queue);
        }
 
        return IRQ_HANDLED;
@@ -838,8 +829,6 @@ static int rga_probe(struct platform_device *pdev)
        spin_lock_init(&rga->ctrl_lock);
        mutex_init(&rga->mutex);
 
-       init_waitqueue_head(&rga->irq_queue);
-
        ret = rga_parse_dt(rga);
        if (ret)
                dev_err(&pdev->dev, "Unable to parse OF data\n");

diff --git a/drivers/media/platform/rockchip/rga/rga.h b/drivers/media/platform/rockchip/rga/rga.h
index 5d43e7e..72d8a15 100644 (file)
--- a/drivers/media/platform/rockchip/rga/rga.h
+++ b/drivers/media/platform/rockchip/rga/rga.h
@@ -86,8 +86,6 @@ struct rockchip_rga {
        /* ctrl parm lock */
        spinlock_t ctrl_lock;
 
-       wait_queue_head_t irq_queue;
-
        struct rga_ctx *curr;
        dma_addr_t cmdbuf_phy;
        void *cmdbuf_virt;