diff mbox series

[V4,1/3] mmc: sdhci: use phys2bus macro when dma address is accessed

Message ID 20200327040802.30103-2-jh80.chung@samsung.com
State Accepted
Commit fac8bfd4f52612fceb2d9784c93ed8f147f209c3
Headers show
Series Support SDMA mode on RPI4 target - 32bit | expand

Commit Message

Jaehoon Chung March 27, 2020, 4:08 a.m. UTC 
Use phys2bus macro when dma address is accessed.
Some targets need to use pyhs2bus macro. (e.g, RPI4)
After applied it, SDMA mode can be used.

Signed-off-by: Jaehoon Chung <jh80.chung at samsung.com>
Reviewed-by: Peng Fan <peng.fan at nxp.com>
Reviewed-by: Minkyu Kang <mk7.kang at samsung.com>
---
 drivers/mmc/sdhci.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 520c9f9feb..2b7493fbac 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -16,6 +16,7 @@ 
 #include <sdhci.h>
 #include <dm.h>
 #include <linux/dma-mapping.h>
+#include <phys2bus.h>
 
 static void sdhci_reset(struct sdhci_host *host, u8 mask)
 {
@@ -150,7 +151,8 @@  static void sdhci_prepare_dma(struct sdhci_host *host, struct mmc_data *data,
 					  mmc_get_dma_dir(data));
 
 	if (host->flags & USE_SDMA) {
-		sdhci_writel(host, host->start_addr, SDHCI_DMA_ADDRESS);
+		sdhci_writel(host, phys_to_bus((ulong)host->start_addr),
+				SDHCI_DMA_ADDRESS);
 	} else if (host->flags & (USE_ADMA | USE_ADMA64)) {
 		sdhci_prepare_adma_table(host, data);
 
@@ -204,7 +206,7 @@  static int sdhci_transfer_data(struct sdhci_host *host, struct mmc_data *data)
 				start_addr &=
 				~(SDHCI_DEFAULT_BOUNDARY_SIZE - 1);
 				start_addr += SDHCI_DEFAULT_BOUNDARY_SIZE;
-				sdhci_writel(host, start_addr,
+				sdhci_writel(host, phys_to_bus((ulong)start_addr),
 					     SDHCI_DMA_ADDRESS);
 			}
 		}