This patch adds comments about NVQUIRKS HAS_PADCALIB and NEEDS_PAD_CONTROL. Signed-off-by: Sowjanya Komatineni <skomatineni@xxxxxxxxxx> --- drivers/mmc/host/sdhci-tegra.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index 3a372ab..0a3f9d0 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -96,7 +96,16 @@ #define NVQUIRK_ENABLE_SDR50 BIT(3) #define NVQUIRK_ENABLE_SDR104 BIT(4) #define NVQUIRK_ENABLE_DDR50 BIT(5) +/* + * HAS_PADCALIB NVQUIRK is for SoC's supporting auto calibration of pads + * drive strength. + */ #define NVQUIRK_HAS_PADCALIB BIT(6) +/* + * NEEDS_PAD_CONTROL NVQUIRK is for SoC's having separate 3V3 and 1V8 pads. + * 3V3/1V8 pad selection happens through pinctrl state selection depending + * on the signaling mode. + */ #define NVQUIRK_NEEDS_PAD_CONTROL BIT(7) #define NVQUIRK_DIS_CARD_CLK_CONFIG_TAP BIT(8) #define NVQUIRK_CQHCI_DCMD_R1B_CMD_TIMING BIT(9) -- 2.7.4
