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[v2,5/7] mmc: rtsx: clarify DDR timing mode between SD-UHS and eMMC

Message ID 006401cf2a57$8525c4c0$8f714e40$%jun@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Seungwon Jeon Feb. 15, 2014, 2:09 p.m. UTC 
Added MMC_DDR52 as eMMC's DDR mode is distinguished from SD-UHS.

CC: Wei WANG <wei_wang@realsil.com.cn>
CC: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
---
 drivers/mmc/host/rtsx_pci_sdmmc.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
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Patch

diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
index c46feda..752f003 100644
--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
+++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
@@ -864,6 +864,7 @@  static int sd_set_timing(struct realtek_pci_sdmmc *host, unsigned char timing)
 		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CLK_CTL, CLK_LOW_FREQ, 0);
 		break;
 
+	case MMC_TIMING_MMC_DDR52:
 	case MMC_TIMING_UHS_DDR50:
 		rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_CFG1,
 				0x0C | SD_ASYNC_FIFO_NOT_RST,
@@ -944,6 +945,7 @@  static void sdmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 		host->vpclk = true;
 		host->double_clk = false;
 		break;
+	case MMC_TIMING_MMC_DDR52:
 	case MMC_TIMING_UHS_DDR50:
 	case MMC_TIMING_UHS_SDR25:
 		host->ssc_depth = RTSX_SSC_DEPTH_1M;