staging: mt7621-mmc: Remove unused field sg from msdc_dma

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

Signed-off-by: Christian Lütke-Stetzkamp <christian@lkamp.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/mt7621-mmc/mt6575_sd.h b/drivers/staging/mt7621-mmc/mt6575_sd.h
index 8eb30d908f9d331bcdddec1e391dfd56d1aafe23..c8c5c349adf8424b1f8cf571bfb9cf796b4ce45a 100644 (file)
--- 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 923b0687918df9833d2ad03b0e3c2a1c196fed5e..050c4a910aefe352c3a7faa2ebb56fc379d75b1e 100644 (file)
--- 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);