diff options
Diffstat (limited to 'drivers/mmc/dw_mmc.c')
| -rw-r--r-- | drivers/mmc/dw_mmc.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index a82ee17a2..9a803a02d 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -41,12 +41,11 @@ static void dwmci_set_idma_desc(struct dwmci_idmac *idmac, } static void dwmci_prepare_data(struct dwmci_host *host, - struct mmc_data *data) + struct mmc_data *data, struct dwmci_idmac *cur_idmac) { unsigned long ctrl; unsigned int i = 0, flags, cnt, blk_cnt; ulong data_start, data_end, start_addr; - ALLOC_CACHE_ALIGN_BUFFER(struct dwmci_idmac, cur_idmac, data->blocks); blk_cnt = data->blocks; @@ -73,7 +72,7 @@ static void dwmci_prepare_data(struct dwmci_host *host, dwmci_set_idma_desc(cur_idmac, flags, cnt, start_addr + (i * PAGE_SIZE)); - if(blk_cnt < 8) + if (blk_cnt <= 8) break; blk_cnt -= 8; cur_idmac++; @@ -111,6 +110,8 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) { struct dwmci_host *host = (struct dwmci_host *)mmc->priv; + ALLOC_CACHE_ALIGN_BUFFER(struct dwmci_idmac, cur_idmac, + data ? DIV_ROUND_UP(data->blocks, 8) : 0); int flags = 0, i; unsigned int timeout = 100000; u32 retry = 10000; @@ -127,7 +128,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, dwmci_writel(host, DWMCI_RINTSTS, DWMCI_INTMSK_ALL); if (data) - dwmci_prepare_data(host, data); + dwmci_prepare_data(host, data, cur_idmac); dwmci_writel(host, DWMCI_CMDARG, cmd->cmdarg); |