Hello,
this series adds an OMAP powerdomain API function that allows its
callers to determine whether a particular powerdomain can ever lose
register or memory bank context while the SoC is powered. This is
intended for use by driver-subarch integration code (i.e.,
arch/arm/*omap*) to pass a flag to the driver to determine whether it
is necessary to save and restore driver context.
As part of this series, fix some long-standing bugs in the powerdomain
data. These fixes are necessary for this function to work, and also
for OSWR support.
Tested on OMAP35xx BeagleBoard and OMAP44xx Pandaboard.
- Paul
pwrdm_add_can_lose_context_fns_2.6.39
text data bss dec hex filename
5795912 501512 5598936 11896360 b58628 vmlinux.omap2plus_defconfig.orig
5796064 501512 5598936 11896512 b586c0 vmlinux.omap2plus_defconfig
Paul Walmsley (3):
OMAP2/3: WKUP powerdomain: mark as being always on
OMAP2+: powerdomain: fix bank power state bitfields
OMAP2+: powerdomain: add pwrdm_can_ever_lose_context()
arch/arm/mach-omap2/powerdomain.c | 43 +++++++++++
arch/arm/mach-omap2/powerdomain.h | 18 ++---
arch/arm/mach-omap2/powerdomains2xxx_3xxx_data.c | 9 +-
arch/arm/mach-omap2/powerdomains2xxx_data.c | 18 ++---
arch/arm/mach-omap2/powerdomains3xxx_data.c | 38 +++++-----
arch/arm/mach-omap2/powerdomains44xx_data.c | 84 +++++++++++-----------
6 files changed, 125 insertions(+), 85 deletions(-)
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