[PATCH 16/34] staging: mt7621-mmc: Remove unused field sg from msdc_dma

Christian Lütke-Stetzkamp christian at lkamp.de
Mon Jun 11 19:46:21 UTC 2018


The field sg from struct msdc_dma is once set and never read, so
remove it.

Signed-off-by: Christian Lütke-Stetzkamp <christian at lkamp.de>
---
 drivers/staging/mt7621-mmc/mt6575_sd.h | 1 -
 drivers/staging/mt7621-mmc/sd.c        | 1 -
 2 files changed, 2 deletions(-)

diff --git a/drivers/staging/mt7621-mmc/mt6575_sd.h b/drivers/staging/mt7621-mmc/mt6575_sd.h
index 8eb30d908f9d..c8c5c349adf8 100644
--- a/drivers/staging/mt7621-mmc/mt6575_sd.h
+++ b/drivers/staging/mt7621-mmc/mt6575_sd.h
@@ -480,7 +480,6 @@ struct bd {
 
 struct msdc_dma {
 	u32 sglen;                   /* size of scatter list */
-	struct scatterlist *sg;      /* I/O scatter list */
 
 	struct gpd *gpd;                  /* pointer to gpd array */
 	struct bd  *bd;                   /* pointer to bd array */
diff --git a/drivers/staging/mt7621-mmc/sd.c b/drivers/staging/mt7621-mmc/sd.c
index 923b0687918d..050c4a910aef 100644
--- a/drivers/staging/mt7621-mmc/sd.c
+++ b/drivers/staging/mt7621-mmc/sd.c
@@ -1041,7 +1041,6 @@ static void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma,
 
 	BUG_ON(sglen > MAX_BD_NUM); /* not support currently */
 
-	dma->sg = sg_cmd;
 	dma->sglen = sglen;
 
 	N_MSG(DMA, "DMA sglen<%d> xfersz<%d>", sglen, host->xfer_size);
-- 
2.16.1



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