Adds comments explaining what are the spinlock and mutex used for.
Signed-off-by: Leonardo Brás <[email protected]>
---
drivers/staging/fbtft/fbtft.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/fbtft/fbtft.h b/drivers/staging/fbtft/fbtft.h
index 798a8fe98e95..958835da433c 100644
--- a/drivers/staging/fbtft/fbtft.h
+++ b/drivers/staging/fbtft/fbtft.h
@@ -203,7 +203,7 @@ struct fbtft_par {
u8 *buf;
u8 startbyte;
struct fbtft_ops fbtftops;
- spinlock_t dirty_lock;
+ spinlock_t dirty_lock; /* Protects dirty_lines_{start,end} */
unsigned int dirty_lines_start;
unsigned int dirty_lines_end;
struct {
@@ -219,7 +219,7 @@ struct fbtft_par {
} gpio;
const s16 *init_sequence;
struct {
- struct mutex lock;
+ struct mutex lock; /* Mutex for Gamma curve locking */
u32 *curves;
int num_values;
int num_curves;
--
2.18.0
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