mmc: tmio: fix .set_ios(MMC_POWER_UP) handling
The aggressive clock gating for TMIO MMC patch has broken switching interface power on, using MFD or platform callbacks. Restore the ios->power_mode == MMC_POWER_UP && ios->clock == 0 case handling. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
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c919c2a073
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@ -728,15 +728,15 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
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tmio_mmc_set_clock(host, ios->clock);
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/* Power sequence - OFF -> UP -> ON */
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if (ios->power_mode == MMC_POWER_OFF || !ios->clock) {
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if (ios->power_mode == MMC_POWER_UP) {
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/* power up SD bus */
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if (host->set_pwr)
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host->set_pwr(host->pdev, 1);
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} else if (ios->power_mode == MMC_POWER_OFF || !ios->clock) {
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/* power down SD bus */
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if (ios->power_mode == MMC_POWER_OFF && host->set_pwr)
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host->set_pwr(host->pdev, 0);
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tmio_mmc_clk_stop(host);
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} else if (ios->power_mode == MMC_POWER_UP) {
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/* power up SD bus */
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if (host->set_pwr)
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host->set_pwr(host->pdev, 1);
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} else {
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/* start bus clock */
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tmio_mmc_clk_start(host);
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