On Fri, Jul 29, 2022 at 12:05:08PM +1000, Daniil Lunev wrote: > Allows userspace to check if Clock Scaling, Write Booster and Inline > Crypto Engine functionality can be enabled. > > Signed-off-by: Daniil Lunev <dlunev@xxxxxxxxxxxx> > > --- > > Changes in v3: > * Expose each capability individually. > * Update documentation to represent new scheme. > > Changes in v2: > * Add documentation entry for the new sysfs node. > > Documentation/ABI/testing/sysfs-driver-ufs | 39 ++++++++++++++++++++ > drivers/ufs/core/ufs-sysfs.c | 41 ++++++++++++++++++++++ > 2 files changed, 80 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs > index 6b248abb1bd71..805d76f7d7aef 100644 > --- a/Documentation/ABI/testing/sysfs-driver-ufs > +++ b/Documentation/ABI/testing/sysfs-driver-ufs > @@ -1591,6 +1591,45 @@ Description: This entry shows the status of HPB. > > The file is read only. > > +What: /sys/bus/platform/drivers/ufshcd/*/capabilities/clock_scaling This shouldn't be linked to as a driver file, it's a device file. So no need for this line. > +What: /sys/bus/platform/devices/*.ufs/capabilities/clock_scaling Since when are all ufs devices platform devices? Do we not have UFS controllers on other types of busses? thanks, greg k-h
