From 4e23026659afa907f00e24c6061ca2bd052d772d Mon Sep 17 00:00:00 2001 From: Greg Meiste Date: Thu, 9 Jun 2011 15:41:53 -0700 Subject: [PATCH] mmc: host: sdhci: tegra: Support runtime enable/disable of clock Currently the SD card clock is running any time the AP is not in LP0. This patch allows the clock to only be enabled when the card is being accessed. Based on an nVidia patch: http://nv-tegra.nvidia.com/gitweb/?p=linux-2.6.git;a=commit;h=8c0f23b7e65ebdb6d1c160517e9ba509b16ec83f Change-Id: I1b611622ef0545a3309214e94bbc76481aa3a721 Signed-off-by: Greg Meiste Conflicts: drivers/mmc/host/sdhci-tegra.c Signed-off-by: Greg Meiste Signed-off-by: Todd Poynor --- drivers/mmc/host/sdhci-tegra.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index 361c8e780683..1c34873b1e0b 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -116,6 +116,9 @@ static int __devinit tegra_sdhci_probe(struct platform_device *pdev) if (plat->force_hs != 0) sdhci->quirks |= SDHCI_QUIRK_FORCE_HIGH_SPEED_MODE; + if (plat->rt_disable != 0) + sdhci->quirks |= SDHCI_QUIRK_RUNTIME_DISABLE; + rc = sdhci_add_host(sdhci); if (rc) goto err_clk_disable; -- 2.34.1