[media] s5p-mfc: use one implementation of s5p_mfc_get_new_ctx
Both version of MFC driver use functions with the same body and name.
The patch moves them to common location. It also simplifies it.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index 0effb2f..974b704 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -85,6 +85,26 @@
spin_unlock_irqrestore(&dev->condlock, flags);
}
+int s5p_mfc_get_new_ctx(struct s5p_mfc_dev *dev)
+{
+ unsigned long flags;
+ int ctx;
+
+ spin_lock_irqsave(&dev->condlock, flags);
+ ctx = dev->curr_ctx;
+ do {
+ ctx = (ctx + 1) % MFC_NUM_CONTEXTS;
+ if (ctx == dev->curr_ctx) {
+ if (!test_bit(ctx, &dev->ctx_work_bits))
+ ctx = -EAGAIN;
+ break;
+ }
+ } while (!test_bit(ctx, &dev->ctx_work_bits));
+ spin_unlock_irqrestore(&dev->condlock, flags);
+
+ return ctx;
+}
+
/* Wake up context wait_queue */
static void wake_up_ctx(struct s5p_mfc_ctx *ctx, unsigned int reason,
unsigned int err)
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
index e90ad7e..795ba44 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
@@ -710,6 +710,7 @@
void set_work_bit(struct s5p_mfc_ctx *ctx);
void clear_work_bit_irqsave(struct s5p_mfc_ctx *ctx);
void set_work_bit_irqsave(struct s5p_mfc_ctx *ctx);
+int s5p_mfc_get_new_ctx(struct s5p_mfc_dev *dev);
#define HAS_PORTNUM(dev) (dev ? (dev->variant ? \
(dev->variant->port_num ? 1 : 0) : 0) : 0)
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c
index 873c933..d9e5d68 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c
@@ -1153,27 +1153,6 @@
return 0;
}
-static int s5p_mfc_get_new_ctx(struct s5p_mfc_dev *dev)
-{
- unsigned long flags;
- int new_ctx;
- int cnt;
-
- spin_lock_irqsave(&dev->condlock, flags);
- new_ctx = (dev->curr_ctx + 1) % MFC_NUM_CONTEXTS;
- cnt = 0;
- while (!test_bit(new_ctx, &dev->ctx_work_bits)) {
- new_ctx = (new_ctx + 1) % MFC_NUM_CONTEXTS;
- if (++cnt > MFC_NUM_CONTEXTS) {
- /* No contexts to run */
- spin_unlock_irqrestore(&dev->condlock, flags);
- return -EAGAIN;
- }
- }
- spin_unlock_irqrestore(&dev->condlock, flags);
- return new_ctx;
-}
-
static void s5p_mfc_run_res_change(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
index b958453..f68653f 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
@@ -1507,30 +1507,6 @@
return 0;
}
-static inline int s5p_mfc_get_new_ctx(struct s5p_mfc_dev *dev)
-{
- unsigned long flags;
- int new_ctx;
- int cnt;
-
- spin_lock_irqsave(&dev->condlock, flags);
- mfc_debug(2, "Previous context: %d (bits %08lx)\n", dev->curr_ctx,
- dev->ctx_work_bits);
- new_ctx = (dev->curr_ctx + 1) % MFC_NUM_CONTEXTS;
- cnt = 0;
- while (!test_bit(new_ctx, &dev->ctx_work_bits)) {
- new_ctx = (new_ctx + 1) % MFC_NUM_CONTEXTS;
- cnt++;
- if (cnt > MFC_NUM_CONTEXTS) {
- /* No contexts to run */
- spin_unlock_irqrestore(&dev->condlock, flags);
- return -EAGAIN;
- }
- }
- spin_unlock_irqrestore(&dev->condlock, flags);
- return new_ctx;
-}
-
static inline void s5p_mfc_run_dec_last_frames(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;