Commit c7f409e3 authored Mar 25, 2011 by Venkat Rao Committed by Chris Ball May 24, 2011

mmc: tegra: add pm_flags



Enable fast bcm4329 WIFI suspend/resume on Tegra2 board.

This patch allows the mach-tegra support to tell the tegra MMC host
controller to NOT turn off power for the MMC controller the WIFI part
lives behind.  Thus bcm4329 firmware doesn't need to be reloaded.

Signed-off-by: Venkat Rao <vrao@broadcom.com>
Tested-by: Grant Grundler <grundler@chromium.org>
Reviewed-by: Olof Johansson <olof@lixom.net>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Chris Ball <cjb@laptop.org>

parent 0b38c4eb

arch/arm/mach-tegra/include/mach/sdhci.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@ struct tegra_sdhci_platform_data {
		int wp_gpio;
		int power_gpio;
		int is_8bit;
		int pm_flags;
		};

		#endif

drivers/mmc/host/sdhci-tegra.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -184,6 +184,8 @@ static int tegra_sdhci_pltfm_init(struct sdhci_host *host,
		clk_enable(clk);
		pltfm_host->clk = clk;

		host->mmc->pm_caps = plat->pm_flags;

		if (plat->is_8bit)
		host->mmc->caps \|= MMC_CAP_8_BIT_DATA;