Do not register video nodes during FIMC device probe. Also make
fimc_register_m2m_device() public for use by the media device driver.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
drivers/media/video/s5p-fimc/fimc-capture.c | 1 +
drivers/media/video/s5p-fimc/fimc-core.c | 30 +++++++-------------------
drivers/media/video/s5p-fimc/fimc-core.h | 1 +
3 files changed, 10 insertions(+), 22 deletions(-)
diff --git a/drivers/media/video/s5p-fimc/fimc-capture.c b/drivers/media/video/s5p-fimc/fimc-capture.c
index c9be15c..a806e48 100644
--- a/drivers/media/video/s5p-fimc/fimc-capture.c
+++ b/drivers/media/video/s5p-fimc/fimc-capture.c
@@ -922,4 +922,5 @@ void fimc_unregister_capture_device(struct fimc_dev *fimc)
video_unregister_device(vfd);
}
kfree(fimc->vid_cap.ctx);
+ fimc->vid_cap.ctx = NULL;
}
diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c
index c97494d..36a8d63 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.c
+++ b/drivers/media/video/s5p-fimc/fimc-core.c
@@ -1494,7 +1494,7 @@ static struct v4l2_m2m_ops m2m_ops = {
.job_abort = fimc_job_abort,
};
-static int fimc_register_m2m_device(struct fimc_dev *fimc)
+int fimc_register_m2m_device(struct fimc_dev *fimc)
{
struct video_device *vfd;
struct platform_device *pdev;
@@ -1568,13 +1568,16 @@ err_m2m_r1:
void fimc_unregister_m2m_device(struct fimc_dev *fimc)
{
- if (fimc == NULL)
+ if (!fimc)
return;
- v4l2_m2m_release(fimc->m2m.m2m_dev);
+ if (fimc->m2m.m2m_dev)
+ v4l2_m2m_release(fimc->m2m.m2m_dev);
v4l2_device_unregister(&fimc->m2m.v4l2_dev);
- media_entity_cleanup(&fimc->m2m.vfd->entity);
- video_unregister_device(fimc->m2m.vfd);
+ if (fimc->m2m.vfd) {
+ media_entity_cleanup(&fimc->m2m.vfd->entity);
+ video_unregister_device(fimc->m2m.vfd);
+ }
}
static void fimc_clk_put(struct fimc_dev *fimc)
@@ -1739,25 +1742,12 @@ static int fimc_probe(struct platform_device *pdev)
goto err_irq;
}
- ret = fimc_register_m2m_device(fimc);
- if (ret)
- goto err_irq;
-
- /* At least one camera sensor is required to register capture node */
- if (cap_input_index >= 0) {
- ret = fimc_register_capture_device(fimc);
- if (ret)
- goto err_m2m;
- }
-
dev_dbg(&pdev->dev, "%s(): fimc-%d registered successfully\n",
__func__, fimc->id);
pm_runtime_put(&fimc->pdev->dev);
return 0;
-err_m2m:
- fimc_unregister_m2m_device(fimc);
err_irq:
free_irq(fimc->irq, fimc);
err_clk:
@@ -1769,7 +1759,6 @@ err_req_region:
kfree(fimc->regs_res);
err_info:
kfree(fimc);
-
return ret;
}
@@ -1858,9 +1847,6 @@ static int __devexit fimc_remove(struct platform_device *pdev)
fimc_runtime_suspend(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev);
- fimc_unregister_m2m_device(fimc);
- fimc_unregister_capture_device(fimc);
-
vb2_dma_contig_cleanup_ctx(fimc->alloc_ctx);
clk_disable(fimc->clock[CLK_BUS]);
diff --git a/drivers/media/video/s5p-fimc/fimc-core.h b/drivers/media/video/s5p-fimc/fimc-core.h
index 55c1410..c088dac 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.h
+++ b/drivers/media/video/s5p-fimc/fimc-core.h
@@ -644,6 +644,7 @@ int fimc_set_scaler_info(struct fimc_ctx *ctx);
int fimc_prepare_config(struct fimc_ctx *ctx, u32 flags);
int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb,
struct fimc_frame *frame, struct fimc_addr *paddr);
+int fimc_register_m2m_device(struct fimc_dev *fimc);
/* -----------------------------------------------------*/
/* fimc-capture.c */
--
1.7.5.4
--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
