summaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap2
diff options
context:
space:
mode:
authorAdrian Hunter <adrian.hunter@nokia.com>2010-02-15 21:03:34 +0300
committerTony Lindgren <tony@atomide.com>2010-02-15 21:03:34 +0300
commit1df58db8a25ec7656005f1dd161a9ede044551b7 (patch)
tree33d94939a62ccec8c51753a015833d165d7bdd2b /arch/arm/mach-omap2
parentce6f00165d5314698afd04ee20cede156cfcc593 (diff)
downloadlinux-1df58db8a25ec7656005f1dd161a9ede044551b7.tar.xz
omap_hsmmc: Allow for power saving without going off
An eMMC may be always powered on, so that the lowest power saving state possible is sleeping. Add a field to the platform data to indicate that. Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2')
-rw-r--r--arch/arm/mach-omap2/hsmmc.c3
-rw-r--r--arch/arm/mach-omap2/hsmmc.h1
2 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index 4a05c3722d54..e4ab123cd4d0 100644
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -202,6 +202,9 @@ void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
if (c->power_saving)
mmc->slots[0].power_saving = 1;
+ if (c->no_off)
+ mmc->slots[0].no_off = 1;
+
/* NOTE: MMC slots should have a Vcc regulator set up.
* This may be from a TWL4030-family chip, another
* controllable regulator, or a fixed supply.
diff --git a/arch/arm/mach-omap2/hsmmc.h b/arch/arm/mach-omap2/hsmmc.h
index f641f592ffad..2453a7aeaf6f 100644
--- a/arch/arm/mach-omap2/hsmmc.h
+++ b/arch/arm/mach-omap2/hsmmc.h
@@ -14,6 +14,7 @@ struct omap2_hsmmc_info {
bool cover_only; /* No card detect - just cover switch */
bool nonremovable; /* Nonremovable e.g. eMMC */
bool power_saving; /* Try to sleep or power off when possible */
+ bool no_off; /* power_saving and power is not to go off */
int gpio_cd; /* or -EINVAL */
int gpio_wp; /* or -EINVAL */
char *name; /* or NULL for default */