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Commit 5fd01579 authored by Guennadi Liakhovetski's avatar Guennadi Liakhovetski Committed by Chris Ball
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mmc: tmio: support aggressive clock gating 



Signed-off-by: default avatarGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: default avatarPaul Mundt <lethal@linux-sh.org>
Signed-off-by: default avatarChris Ball <cjb@laptop.org>
parent a7edbe39

drivers/mmc/host/tmio_mmc_pio.c

+8 −9
Original line number Diff line number Diff line
@@ -747,19 +747,18 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) 
		tmio_mmc_set_clock(host, ios->clock);



	/* Power sequence - OFF -> UP -> ON */

	switch (ios->power_mode) {

	case MMC_POWER_OFF: /* power down SD bus */

		if (host->set_pwr)

	if (ios->power_mode == MMC_POWER_OFF || !ios->clock) {

		/* power down SD bus */

		if (ios->power_mode == MMC_POWER_OFF && host->set_pwr)

			host->set_pwr(host->pdev, 0);

		tmio_mmc_clk_stop(host);

		break;

	case MMC_POWER_ON: /* start bus clock */

		tmio_mmc_clk_start(host);

		break;

	case MMC_POWER_UP: /* power up SD bus */

	} else if (ios->power_mode == MMC_POWER_UP) {

		/* power up SD bus */

		if (host->set_pwr)

			host->set_pwr(host->pdev, 1);

		break;

	} else {

		/* start bus clock */

		tmio_mmc_clk_start(host);

	}



	switch (ios->bus_width) {