Because use_dma is set only in mmc_omap_probe and unset nowhere there is no
need to carry that flag in struct mmc_omap_host for mmc_omap_prepare_data
function.
Signed-off-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxxx>
---
drivers/mmc/host/omap.c | 15 +++++----------
1 file changed, 5 insertions(+), 10 deletions(-)
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index c20c625..c975051 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -162,7 +162,6 @@ struct mmc_omap_host {
u32 total_bytes_left;
unsigned features;
- unsigned use_dma:1;
unsigned brs_received:1, dma_done:1;
unsigned dma_in_use:1;
spinlock_t dma_lock;
@@ -954,7 +953,7 @@ static void
mmc_omap_prepare_data(struct mmc_omap_host *host, struct mmc_request *req)
{
struct mmc_data *data = req->data;
- int i, use_dma, block_size;
+ int i, use_dma = 1, block_size;
unsigned sg_len;
host->data = data;
@@ -979,13 +978,10 @@ mmc_omap_prepare_data(struct mmc_omap_host *host, struct mmc_request *req)
sg_len = (data->blocks == 1) ? 1 : data->sg_len;
/* Only do DMA for entire blocks */
- use_dma = host->use_dma;
- if (use_dma) {
- for (i = 0; i < sg_len; i++) {
- if ((data->sg[i].length % block_size) != 0) {
- use_dma = 0;
- break;
- }
+ for (i = 0; i < sg_len; i++) {
+ if ((data->sg[i].length % block_size) != 0) {
+ use_dma = 0;
+ break;
}
}
@@ -1379,7 +1375,6 @@ static int mmc_omap_probe(struct platform_device *pdev)
host->id = pdev->id;
host->irq = irq;
- host->use_dma = 1;
host->phys_base = res->start;
host->iclk = clk_get(&pdev->dev, "ick");
if (IS_ERR(host->iclk))
--
1.8.4.2
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