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authorAnup Patel <anup.patel@broadcom.com>2017-08-22 12:56:50 +0300
committerVinod Koul <vinod.koul@intel.com>2017-08-28 14:14:24 +0300
commite897091ab9e022a1adb98ba56dfc5a8d9600f6c4 (patch)
treec3aeb4d5ee36a743a7ed83116a942fc20c106ce8 /drivers/dma
parentdd2bceb0a8efbeabc37ca4cfec1d4bf9021fef8c (diff)
downloadlinux-e897091ab9e022a1adb98ba56dfc5a8d9600f6c4.tar.xz
dmaengine: bcm-sba-raid: Minor improvments in comments
This patch does following improvments to comments: 1. Make section comments consistent across the driver by avoiding " SBA " in some of the comments 2. Add/update few more section comments Signed-off-by: Anup Patel <anup.patel@broadcom.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/bcm-sba-raid.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/dma/bcm-sba-raid.c b/drivers/dma/bcm-sba-raid.c
index 8246c26eabe5..d1d76641709b 100644
--- a/drivers/dma/bcm-sba-raid.c
+++ b/drivers/dma/bcm-sba-raid.c
@@ -48,7 +48,8 @@
#include "dmaengine.h"
-/* SBA command related defines */
+/* ====== Driver macros and defines ===== */
+
#define SBA_TYPE_SHIFT 48
#define SBA_TYPE_MASK GENMASK(1, 0)
#define SBA_TYPE_A 0x0
@@ -88,6 +89,8 @@
#define to_sba_device(dchan) \
container_of(dchan, struct sba_device, dma_chan)
+/* ===== Driver data structures ===== */
+
enum sba_request_state {
SBA_REQUEST_STATE_FREE = 1,
SBA_REQUEST_STATE_ALLOCED = 2,
@@ -164,7 +167,7 @@ struct sba_device {
int reqs_free_count;
};
-/* ====== SBA command helper routines ===== */
+/* ====== Command helper routines ===== */
static inline u64 __pure sba_cmd_enc(u64 cmd, u32 val, u32 shift, u32 mask)
{
@@ -196,7 +199,7 @@ static inline u32 __pure sba_cmd_pq_c_mdata(u32 d, u32 b1, u32 b0)
((d & SBA_C_MDATA_DNUM_MASK) << SBA_C_MDATA_DNUM_SHIFT);
}
-/* ====== Channel resource management routines ===== */
+/* ====== General helper routines ===== */
static struct sba_request *sba_alloc_request(struct sba_device *sba)
{