Commit 76216850 authored by Ivan Mikhaylov's avatar Ivan Mikhaylov Committed by Ulf Hansson
Browse files

mmc: sdhci-of-aspeed: add inversion signal presence 



Add read_l callback in sdhci_ops with flipping of SDHCI_CARD_PRESENT
bit in case of inverted card detection signal.

Signed-off-by: default avatarIvan Mikhaylov <i.mikhaylov@yadro.com>
Reviewed-by: default avatarAndrew Jeffery <andrew@aj.id.au>
Acked-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 96790622

drivers/mmc/host/sdhci-of-aspeed.c

+12 −0
Original line number Diff line number Diff line
@@ -111,7 +111,19 @@ static void aspeed_sdhci_set_bus_width(struct sdhci_host *host, int width) 
	sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL);

}



static u32 aspeed_sdhci_readl(struct sdhci_host *host, int reg)

{

	u32 val = readl(host->ioaddr + reg);



	if (unlikely(reg == SDHCI_PRESENT_STATE) &&

	    (host->mmc->caps2 & MMC_CAP2_CD_ACTIVE_HIGH))

		val ^= SDHCI_CARD_PRESENT;



	return val;

}



static const struct sdhci_ops aspeed_sdhci_ops = {

	.read_l = aspeed_sdhci_readl,

	.set_clock = aspeed_sdhci_set_clock,

	.get_max_clock = aspeed_sdhci_get_max_clock,

	.set_bus_width = aspeed_sdhci_set_bus_width,

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