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| author |   Nicolin Chen <b42378@freescale.com> | 2013-10-23 11:47:43 +0800 |
|---|---|---|
| committer |   Takashi Iwai <tiwai@suse.de> | 2013-10-24 09:20:47 +0200 |
| commit | 055032142c42d2821c4aa617915292d6a08d56fc (patch) | |
| tree | ce10032a40379b482eda19f8b04f8924a1625195 /mm/debug-pagealloc.c | |
| parent | Merge branch 'dice-driver-playback-only' of git://git.alsa-project.org/alsa-kprivate into for-next (diff) | |
| download | linux-dev-055032142c42d2821c4aa617915292d6a08d56fc.tar.xz linux-dev-055032142c42d2821c4aa617915292d6a08d56fc.zip | |
ALSA: Add SoC on-chip internal ram support for DMA buffer allocation
Now it's quite common that an SoC contains its on-chip internal RAM.
By using this RAM space for DMA buffer during audio playback/record,
we can shutdown the voltage for external RAM to save power.
So add new DEV type with iram malloc()/free() and accordingly modify
current default mmap() for the iram circumstance.
Signed-off-by: Nicolin Chen <b42378@freescale.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'mm/debug-pagealloc.c')
0 files changed, 0 insertions, 0 deletions