We got a warning:
drivers/mmc/host/atmel-mci.c:1086:15: warning: variable 'sg_len' set but
not used [-Wunused-but-set-variable]
Ideally we should check to see if sg_len is zero but looking
into the code closely, I didn't find any possible to do that as
atmci_start_request didn't even deploy any error handling for
its host->prepare_data hook. So even we return error value for iflags
like what other host drivers did, for instance, sdhci and dwmmc, it still
need some extra work to improve the code.
Just remove it to silent the warning, although it isn't perfect.
Signed-off-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>
---
drivers/mmc/host/atmel-mci.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 97de2d3..53e30b0 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -1083,7 +1083,6 @@ static u32 atmci_prepare_data(struct atmel_mci *host, struct mmc_data *data)
atmci_prepare_data_pdc(struct atmel_mci *host, struct mmc_data *data)
{
u32 iflags, tmp;
- unsigned int sg_len;
int i;
data->error = -EINPROGRESS;
@@ -1108,8 +1107,8 @@ static u32 atmci_prepare_data(struct atmel_mci *host, struct mmc_data *data)
/* Configure PDC */
host->data_size = data->blocks * data->blksz;
- sg_len = dma_map_sg(&host->pdev->dev, data->sg, data->sg_len,
- mmc_get_dma_dir(data));
+ dma_map_sg(&host->pdev->dev, data->sg, data->sg_len,
+ mmc_get_dma_dir(data));
if ((!host->caps.has_rwproof)
&& (host->data->flags & MMC_DATA_WRITE)) {
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
