Messages in this thread | | | Date | Mon, 18 Sep 2017 09:43:49 -0700 | From | Moritz Fischer <> | Subject | Re: [PATCH 2/2] driver core: remove DRIVER_ATTR |
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On Mon, Sep 18, 2017 at 12:17:57PM +0200, Greg Kroah-Hartman wrote: > > DRIVER_ATTR is no longer in use, and driver authors should be using > DRIVER_ATTR_RW() or DRIVER_ATTR_RO() or DRIVER_ATTR_WO() instead in > order to always get the permissions correct. So remove it so that no > one can use it anymore. > > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Moritz Fischer <mdf@kernel.org> > --- > Documentation/driver-model/driver.txt | 7 ++++--- > Documentation/filesystems/sysfs.txt | 3 ++- > include/linux/device.h | 2 -- > 3 files changed, 6 insertions(+), 6 deletions(-) > > diff --git a/Documentation/driver-model/driver.txt b/Documentation/driver-model/driver.txt > index 4421135826a2..d661e6f7e6a0 100644 > --- a/Documentation/driver-model/driver.txt > +++ b/Documentation/driver-model/driver.txt > @@ -196,12 +196,13 @@ struct driver_attribute { > }; > > Device drivers can export attributes via their sysfs directories. > -Drivers can declare attributes using a DRIVER_ATTR macro that works > -identically to the DEVICE_ATTR macro. > +Drivers can declare attributes using a DRIVER_ATTR_RW and DRIVER_ATTR_RO > +macro that works identically to the DEVICE_ATTR_RW and DEVICE_ATTR_RO > +macros. > > Example: > > -DRIVER_ATTR(debug,0644,show_debug,store_debug); > +DRIVER_ATTR_RW(debug); > > This is equivalent to declaring: > > diff --git a/Documentation/filesystems/sysfs.txt b/Documentation/filesystems/sysfs.txt > index 24da7b32c489..9a3658cc399e 100644 > --- a/Documentation/filesystems/sysfs.txt > +++ b/Documentation/filesystems/sysfs.txt > @@ -366,7 +366,8 @@ struct driver_attribute { > > Declaring: > > -DRIVER_ATTR(_name, _mode, _show, _store) > +DRIVER_ATTR_RO(_name) > +DRIVER_ATTR_RW(_name) > > Creation/Removal: > > diff --git a/include/linux/device.h b/include/linux/device.h > index c6f27207dbe8..2bc70ddda09b 100644 > --- a/include/linux/device.h > +++ b/include/linux/device.h > @@ -307,8 +307,6 @@ struct driver_attribute { > size_t count); > }; > > -#define DRIVER_ATTR(_name, _mode, _show, _store) \ > - struct driver_attribute driver_attr_##_name = __ATTR(_name, _mode, _show, _store) > #define DRIVER_ATTR_RW(_name) \ > struct driver_attribute driver_attr_##_name = __ATTR_RW(_name) > #define DRIVER_ATTR_RO(_name) \ > -- > 2.14.1 >
Thanks,
Moritz [unhandled content-type:application/pgp-signature] | |