Commit 77e2ff08 authored by Subhash Jadavani's avatar Subhash Jadavani Committed by Chris Ball
Browse files

mmc: sdio: print correct UHS mode during card detection 



When SDIO3.0 card is detected, incorrect bus speed mode
is printed as part of card detection print in kernel logs.

This change fixes it so that user won't be confused by
looking at incorrect card detection message in logs.

Signed-off-by: default avatarSubhash Jadavani <subhashj@codeaurora.org>
Tested-by: default avatarJackey Shen <Jackey.Shen@amd.com>
Acked-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Signed-off-by: default avatarChris Ball <cjb@laptop.org>
parent 41875e38

drivers/mmc/core/sdio.c

+5 −0
Original line number Diff line number Diff line
@@ -485,23 +485,27 @@ static int sdio_set_bus_speed_mode(struct mmc_card *card) 
			bus_speed = SDIO_SPEED_SDR104;

			timing = MMC_TIMING_UHS_SDR104;

			card->sw_caps.uhs_max_dtr = UHS_SDR104_MAX_DTR;

			card->sd_bus_speed = UHS_SDR104_BUS_SPEED;

	} else if ((card->host->caps & MMC_CAP_UHS_DDR50) &&

		   (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_DDR50)) {

			bus_speed = SDIO_SPEED_DDR50;

			timing = MMC_TIMING_UHS_DDR50;

			card->sw_caps.uhs_max_dtr = UHS_DDR50_MAX_DTR;

			card->sd_bus_speed = UHS_DDR50_BUS_SPEED;

	} else if ((card->host->caps & (MMC_CAP_UHS_SDR104 |

		    MMC_CAP_UHS_SDR50)) && (card->sw_caps.sd3_bus_mode &

		    SD_MODE_UHS_SDR50)) {

			bus_speed = SDIO_SPEED_SDR50;

			timing = MMC_TIMING_UHS_SDR50;

			card->sw_caps.uhs_max_dtr = UHS_SDR50_MAX_DTR;

			card->sd_bus_speed = UHS_SDR50_BUS_SPEED;

	} else if ((card->host->caps & (MMC_CAP_UHS_SDR104 |

		    MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR25)) &&

		   (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR25)) {

			bus_speed = SDIO_SPEED_SDR25;

			timing = MMC_TIMING_UHS_SDR25;

			card->sw_caps.uhs_max_dtr = UHS_SDR25_MAX_DTR;

			card->sd_bus_speed = UHS_SDR25_BUS_SPEED;

	} else if ((card->host->caps & (MMC_CAP_UHS_SDR104 |

		    MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR25 |

		    MMC_CAP_UHS_SDR12)) && (card->sw_caps.sd3_bus_mode &
@@ -509,6 +513,7 @@ static int sdio_set_bus_speed_mode(struct mmc_card *card) 
			bus_speed = SDIO_SPEED_SDR12;

			timing = MMC_TIMING_UHS_SDR12;

			card->sw_caps.uhs_max_dtr = UHS_SDR12_MAX_DTR;

			card->sd_bus_speed = UHS_SDR12_BUS_SPEED;

	}



	err = mmc_io_rw_direct(card, 0, 0, SDIO_CCCR_SPEED, 0, &speed);

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