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mmc: core: Improve documentation of MMC_CAP_HW_RESET
MMC_CAP_HW_RESET means that the controller is capable of resetting the eMMC device via RST_n signal, not a reset of the controller. Two drivers got this wrong, so let's make it more clear. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Link: https://lore.kernel.org/r/20200821063533.3771-1-wsa+renesas@sang-engineering.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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1 changed files with 2 additions and 1 deletions
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@ -163,6 +163,7 @@ struct mmc_host_ops {
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int (*select_drive_strength)(struct mmc_card *card,
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unsigned int max_dtr, int host_drv,
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int card_drv, int *drv_type);
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/* Reset the eMMC card via RST_n */
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void (*hw_reset)(struct mmc_host *host);
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void (*card_event)(struct mmc_host *host);
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@ -346,7 +347,7 @@ struct mmc_host {
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#define MMC_CAP_CD_WAKE (1 << 28) /* Enable card detect wake */
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#define MMC_CAP_CMD_DURING_TFR (1 << 29) /* Commands during data transfer */
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#define MMC_CAP_CMD23 (1 << 30) /* CMD23 supported. */
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#define MMC_CAP_HW_RESET (1 << 31) /* Hardware reset */
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#define MMC_CAP_HW_RESET (1 << 31) /* Reset the eMMC card via RST_n */
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u32 caps2; /* More host capabilities */
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