mmc: tmio: fix clock gating on platforms with a .set_pwr() method
Guennadi Liakhovetski [Wed, 16 Nov 2011 09:11:45 +0000 (10:11 +0100)]
Do not power down the card in .set_ios(), unless MMC_POWER_OFF is
requested. This fixes the SDHI functionality on ecovec.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>

drivers/mmc/host/tmio_mmc_pio.c

index d85a60c..4208b39 100644 (file)
@@ -798,7 +798,7 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
                /* start bus clock */
                tmio_mmc_clk_start(host);
        } else if (ios->power_mode != MMC_POWER_UP) {
-               if (host->set_pwr)
+               if (host->set_pwr && ios->power_mode == MMC_POWER_OFF)
                        host->set_pwr(host->pdev, 0);
                if ((pdata->flags & TMIO_MMC_HAS_COLD_CD) &&
                    pdata->power) {