mmc: omap: Remove always set use_dma flag from struct mmc_omap_host

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@bitmer.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Chris Ball <chris@printf.net>
This commit is contained in:
Jarkko Nikula 2014-02-22 18:01:42 +02:00 committed by Chris Ball
parent 64ac16ec80
commit a6c668fb95

View File

@ -152,7 +152,6 @@ 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;
@ -944,7 +943,7 @@ 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;
@ -969,13 +968,10 @@ 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;
}
}
@ -1369,7 +1365,6 @@ 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))