mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-17 09:14:19 +08:00
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:
parent
64ac16ec80
commit
a6c668fb95
@ -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))
|
||||
|
Loading…
Reference in New Issue
Block a user