From: Lucas Stach <dev@lynxeye.de>
To: barebox@lists.infradead.org
Subject: [PATCH RFT 09/24] MCI: tegra-sdmmc: convert to streaming DMA ops
Date: Thu, 12 Feb 2015 22:39:45 +0100 [thread overview]
Message-ID: <1423777200-22965-10-git-send-email-dev@lynxeye.de> (raw)
In-Reply-To: <1423777200-22965-1-git-send-email-dev@lynxeye.de>
Signed-off-by: Lucas Stach <dev@lynxeye.de>
---
drivers/mci/tegra-sdmmc.c | 26 ++++++++++++++------------
1 file changed, 14 insertions(+), 12 deletions(-)
diff --git a/drivers/mci/tegra-sdmmc.c b/drivers/mci/tegra-sdmmc.c
index 0e23d6f..670c280 100644
--- a/drivers/mci/tegra-sdmmc.c
+++ b/drivers/mci/tegra-sdmmc.c
@@ -17,10 +17,10 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <asm/mmu.h>
#include <common.h>
#include <clock.h>
#include <driver.h>
+#include <dma.h>
#include <gpio.h>
#include <init.h>
#include <io.h>
@@ -100,6 +100,7 @@ static int tegra_sdmmc_send_cmd(struct mci_host *mci, struct mci_cmd *cmd,
struct mci_data *data)
{
struct tegra_sdmmc_host *host = to_tegra_sdmmc_host(mci);
+ unsigned int num_bytes = 0;
u32 val = 0;
int ret;
@@ -109,15 +110,15 @@ static int tegra_sdmmc_send_cmd(struct mci_host *mci, struct mci_cmd *cmd,
/* Set up for a data transfer if we have one */
if (data) {
+ num_bytes = data->blocks * data->blocksize;
+
if (data->flags & MMC_DATA_WRITE) {
- dma_flush_range((unsigned long)data->src,
- (unsigned long)(data->src +
- data->blocks * 512));
+ dma_sync_single_for_device((unsigned long)data->src,
+ num_bytes, DMA_TO_DEVICE);
writel((u32)data->src, host->regs + SDHCI_DMA_ADDRESS);
} else {
- dma_clean_range((unsigned long)data->src,
- (unsigned long)(data->src +
- data->blocks * 512));
+ dma_sync_single_for_device((unsigned long)data->dest,
+ num_bytes, DMA_FROM_DEVICE);
writel((u32)data->dest, host->regs + SDHCI_DMA_ADDRESS);
}
@@ -255,11 +256,12 @@ static int tegra_sdmmc_send_cmd(struct mci_host *mci, struct mci_cmd *cmd,
}
writel(val, host->regs + SDHCI_INT_STATUS);
- if (data->flags & MMC_DATA_READ) {
- dma_inv_range((unsigned long)data->dest,
- (unsigned long)(data->dest +
- data->blocks * 512));
- }
+ if (data->flags & MMC_DATA_WRITE)
+ dma_sync_single_for_cpu((unsigned long)data->src,
+ num_bytes, DMA_TO_DEVICE);
+ else
+ dma_sync_single_for_cpu((unsigned long)data->dest,
+ num_bytes, DMA_FROM_DEVICE);
}
return 0;
--
2.1.0
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next prev parent reply other threads:[~2015-02-12 21:41 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-12 21:39 [PATCH RFT 00/24] Phasing out direct usage of asm/mmu.h on ARM Lucas Stach
2015-02-12 21:39 ` [PATCH RFT 01/24] usb: gadget: include common.h in header Lucas Stach
2015-02-12 21:39 ` [PATCH RFT 02/24] ARM: move virt<->phys translation to io.h Lucas Stach
2015-02-12 21:39 ` [PATCH RFT 03/24] dma: add streaming DMA ops Lucas Stach
2015-02-12 21:39 ` [PATCH RFT 04/24] ARM: move DMA alloc functions to dma.h Lucas Stach
2015-02-12 21:39 ` [PATCH RFT 05/24] ARM: implement streaming DMA ops Lucas Stach
2015-02-12 21:39 ` [PATCH RFT 06/24] AHCI: convert to " Lucas Stach
2015-02-12 21:39 ` [PATCH RFT 07/24] MCI: dw-mmc: " Lucas Stach
2015-02-12 21:39 ` [PATCH RFT 08/24] MCI: imx: " Lucas Stach
2015-02-12 21:39 ` Lucas Stach [this message]
2015-02-12 21:39 ` [PATCH RFT 10/24] net: arc-emac: " Lucas Stach
2015-02-12 21:39 ` [PATCH RFT 11/24] net: cpsw: " Lucas Stach
2015-02-13 19:44 ` Sascha Hauer
2015-02-12 21:39 ` [PATCH RFT 12/24] net: at91_ether: " Lucas Stach
2015-02-12 21:39 ` [PATCH RFT 13/24] net: davinci_emac: " Lucas Stach
2015-02-12 21:39 ` [PATCH RFT 14/24] net: designware: " Lucas Stach
2015-02-12 21:39 ` [PATCH RFT 15/24] net: fec: " Lucas Stach
2015-02-12 21:39 ` [PATCH RFT 16/24] net: macb: " Lucas Stach
2015-02-12 21:39 ` [PATCH RFT 17/24] net: orion-gbe: " Lucas Stach
2015-02-12 22:40 ` Sebastian Hesselbarth
2015-02-16 10:45 ` Sebastian Hesselbarth
2015-02-12 21:39 ` [PATCH RFT 18/24] net: rtl8169: " Lucas Stach
2015-02-12 21:39 ` [PATCH RFT 19/24] net: xgmac: " Lucas Stach
2015-02-12 21:39 ` [PATCH RFT 20/24] usb: gadget: fsl_udc: " Lucas Stach
2015-02-12 21:39 ` [PATCH RFT 21/24] usb: host: ehci: " Lucas Stach
2015-02-12 21:39 ` [PATCH RFT 22/24] usb: host: ohci: " Lucas Stach
2015-02-12 21:39 ` [PATCH RFT 23/24] ARM: bcm2835: mbox: " Lucas Stach
2015-02-12 21:40 ` [PATCH RFT 24/24] ARM: MMU: unexport cache maintenance functions Lucas Stach
2015-02-13 19:48 ` [PATCH RFT 00/24] Phasing out direct usage of asm/mmu.h on ARM Sascha Hauer
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