[media] sh_veu: keep power supply until the m2m context is released

In the sh_veu driver, only the interrupt handler 'sh_veu_bh'
can invoke the v4l2_m2m_job_finish() function.
So the hardware must be alive for handling interrupts
until returning from v4l2_m2m_ctx_release().

Signed-off-by: Katsuya Matsubara <matsu@igel.co.jp>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/platform/sh_veu.c b/drivers/media/platform/sh_veu.c
index 6fecf9f..ebf90bf 100644 (file)
--- a/drivers/media/platform/sh_veu.c
+++ b/drivers/media/platform/sh_veu.c
@@ -1033,8 +1033,6 @@ static int sh_veu_release(struct file *file)
 
        dev_dbg(veu->dev, "Releasing instance %p\n", veu_file);
 
-       pm_runtime_put(veu->dev);
-
        if (veu_file == veu->capture) {
                veu->capture = NULL;
                vb2_queue_release(v4l2_m2m_get_vq(veu->m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE));
@@ -1050,6 +1048,8 @@ static int sh_veu_release(struct file *file)
                veu->m2m_ctx = NULL;
        }
 
+       pm_runtime_put(veu->dev);
+
        kfree(veu_file);
 
        return 0;