[PATCH 1/3] media: s5p-mfc: fix usage of symbolic permissions to octal

[PATCH 1/3] media: s5p-mfc: fix usage of symbolic permissions to octal

[Aakarsh Jain]

Change symbolic permissions to octal equivalent as recommended
by scripts/checkpatch.pl in drivers/media/platform/samsung/
s5p-mfc/s5p_mfc.c.

Signed-off-by: Aakarsh Jain <aakarsh.jain@samsung.com>
---
 drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c
index fca5c6405eec..bc6d53e78876 100644
--- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c
@@ -36,7 +36,7 @@
 #define S5P_MFC_ENC_NAME	"s5p-mfc-enc"
 
 int mfc_debug_level;
-module_param_named(debug, mfc_debug_level, int, S_IRUGO | S_IWUSR);
+module_param_named(debug, mfc_debug_level, int, 0644);
 MODULE_PARM_DESC(debug, "Debug level - higher value produces more verbose messages");
 
 static char *mfc_mem_size;
-- 
2.17.1

[PATCH 2/3] media: s5p-mfc:fix usage of Block comment alignment

[Aakarsh Jain]

Fix usage of block comment alignment in drivers/media/platform/samsung/
s5p-mfc/s5p_mfc.c as recommended by scripts/checkpatch.pl.

Signed-off-by: Aakarsh Jain <aakarsh.jain@samsung.com>
---
 .../media/platform/samsung/s5p-mfc/s5p_mfc.c  | 49 ++++++++++++-------
 1 file changed, 32 insertions(+), 17 deletions(-)

diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c
index bc6d53e78876..e857f974bb98 100644
--- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c
@@ -148,11 +148,13 @@ static void s5p_mfc_watchdog(struct timer_list *t)
 	if (test_bit(0, &dev->hw_lock))
 		atomic_inc(&dev->watchdog_cnt);
 	if (atomic_read(&dev->watchdog_cnt) >= MFC_WATCHDOG_CNT) {
-		/* This means that hw is busy and no interrupts were
+		/*
+		 * This means that hw is busy and no interrupts were
 		 * generated by hw for the Nth time of running this
 		 * watchdog timer. This usually means a serious hw
 		 * error. Now it is time to kill all instances and
-		 * reset the MFC. */
+		 * reset the MFC.
+		 */
 		mfc_err("Time out during waiting for HW\n");
 		schedule_work(&dev->watchdog_work);
 	}
@@ -172,8 +174,10 @@ static void s5p_mfc_watchdog_worker(struct work_struct *work)
 	dev = container_of(work, struct s5p_mfc_dev, watchdog_work);
 
 	mfc_err("Driver timeout error handling\n");
-	/* Lock the mutex that protects open and release.
-	 * This is necessary as they may load and unload firmware. */
+	/*
+	 * Lock the mutex that protects open and release.
+	 * This is necessary as they may load and unload firmware.
+	 */
 	mutex_locked = mutex_trylock(&dev->mfc_mutex);
 	if (!mutex_locked)
 		mfc_err("Error: some instance may be closing/opening\n");
@@ -197,8 +201,10 @@ static void s5p_mfc_watchdog_worker(struct work_struct *work)
 	/* De-init MFC */
 	s5p_mfc_deinit_hw(dev);
 
-	/* Double check if there is at least one instance running.
-	 * If no instance is in memory than no firmware should be present */
+	/*
+	 * Double check if there is at least one instance running.
+	 * If no instance is in memory than no firmware should be present
+	 */
 	if (dev->num_inst > 0) {
 		ret = s5p_mfc_load_firmware(dev);
 		if (ret) {
@@ -260,8 +266,10 @@ static void s5p_mfc_handle_frame_copy_time(struct s5p_mfc_ctx *ctx)
 		return;
 	dec_y_addr = (u32)s5p_mfc_hw_call(dev->mfc_ops, get_dec_y_adr, dev);
 
-	/* Copy timestamp / timecode from decoded src to dst and set
-	   appropriate flags. */
+	/*
+	 * Copy timestamp / timecode from decoded src to dst and set
+	 * appropriate flags.
+	 */
 	src_buf = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
 	list_for_each_entry(dst_buf, &ctx->dst_queue, list) {
 		u32 addr = (u32)vb2_dma_contig_plane_dma_addr(&dst_buf->b->vb2_buf, 0);
@@ -289,8 +297,10 @@ static void s5p_mfc_handle_frame_copy_time(struct s5p_mfc_ctx *ctx)
 						V4L2_BUF_FLAG_BFRAME;
 				break;
 			default:
-				/* Don't know how to handle
-				   S5P_FIMV_DECODE_FRAME_OTHER_FRAME. */
+				/*
+				 * Don't know how to handle
+				 * S5P_FIMV_DECODE_FRAME_OTHER_FRAME.
+				 */
 				mfc_debug(2, "Unexpected frame type: %d\n",
 						frame_type);
 			}
@@ -322,8 +332,10 @@ static void s5p_mfc_handle_frame_new(struct s5p_mfc_ctx *ctx, unsigned int err)
 		return;
 	}
 	ctx->sequence++;
-	/* The MFC returns address of the buffer, now we have to
-	 * check which vb2_buffer does it correspond to */
+	/*
+	 * The MFC returns address of the buffer, now we have to
+	 * check which vb2_buffer does it correspond to
+	 */
 	list_for_each_entry(dst_buf, &ctx->dst_queue, list) {
 		u32 addr = (u32)vb2_dma_contig_plane_dma_addr(&dst_buf->b->vb2_buf, 0);
 
@@ -476,8 +488,10 @@ static void s5p_mfc_handle_error(struct s5p_mfc_dev *dev,
 		case MFCINST_FINISHING:
 		case MFCINST_FINISHED:
 		case MFCINST_RUNNING:
-			/* It is highly probable that an error occurred
-			 * while decoding a frame */
+			/*
+			 * It is highly probable that an error occurred
+			 * while decoding a frame
+			 */
 			clear_work_bit(ctx);
 			ctx->state = MFCINST_ERROR;
 			/* Mark all dst buffers as having an error */
@@ -535,6 +549,7 @@ static void s5p_mfc_handle_seq_done(struct s5p_mfc_ctx *ctx,
 			ctx->codec_mode == S5P_MFC_CODEC_H264_MVC_DEC) &&
 				!list_empty(&ctx->src_queue)) {
 			struct s5p_mfc_buf *src_buf;
+
 			src_buf = list_entry(ctx->src_queue.next,
 					struct s5p_mfc_buf, list);
 			if (s5p_mfc_hw_call(dev->mfc_ops, get_consumed_stream,
@@ -951,7 +966,7 @@ static int s5p_mfc_release(struct file *file)
 		/*
 		 * If instance was initialised and not yet freed,
 		 * return instance and free resources
-		*/
+		 */
 		if (ctx->state != MFCINST_FREE && ctx->state != MFCINST_INIT) {
 			mfc_debug(2, "Has to free instance\n");
 			s5p_mfc_close_mfc_inst(dev, ctx);
@@ -1318,7 +1333,7 @@ static int s5p_mfc_probe(struct platform_device *pdev)
 
 	/*
 	 * Load fails if fs isn't mounted. Try loading anyway.
-	 * _open() will load it, it it fails now. Ignore failure.
+	 * _open() will load it, it fails now. Ignore failure.
 	 */
 	s5p_mfc_load_firmware(dev);
 
@@ -1429,7 +1444,7 @@ static int s5p_mfc_remove(struct platform_device *pdev)
 	 * Clear ctx dev pointer to avoid races between s5p_mfc_remove()
 	 * and s5p_mfc_release() and s5p_mfc_release() accessing ctx->dev
 	 * after s5p_mfc_remove() is run during unbind.
-	*/
+	 */
 	mutex_lock(&dev->mfc_mutex);
 	for (i = 0; i < MFC_NUM_CONTEXTS; i++) {
 		ctx = dev->ctx[i];
-- 
2.17.1

[PATCH 3/3] media: s5p-mfc: Optimisation of code to remove error message

[Aakarsh Jain]

Already error number provision is present for block failing, while 
requesting for DMA consistent memory allocation.
So removing error message line from the block as recommended
by scripts/checkpatch.pl.

Signed-off-by: Aakarsh Jain <aakarsh.jain@samsung.com>
---
 drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c
index e857f974bb98..19a9b54ff761 100644
--- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc.c
@@ -1164,7 +1164,6 @@ static int s5p_mfc_configure_2port_memory(struct s5p_mfc_dev *mfc_dev)
 	bank2_virt = dma_alloc_coherent(mfc_dev->mem_dev[BANK_R_CTX],
 				       align_size, &bank2_dma_addr, GFP_KERNEL);
 	if (!bank2_virt) {
-		mfc_err("Allocating bank2 base failed\n");
 		s5p_mfc_release_firmware(mfc_dev);
 		device_unregister(mfc_dev->mem_dev[BANK_R_CTX]);
 		device_unregister(mfc_dev->mem_dev[BANK_L_CTX]);
-- 
2.17.1