Messages in this thread | | | From | Rob Clark <> | Date | Mon, 22 Jul 2019 08:41:34 -0700 | Subject | Re: [PATCH v2] iommu: add support for drivers that manage iommu explicitly |
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On Mon, Jul 22, 2019 at 7:28 AM Joerg Roedel <joro@8bytes.org> wrote: > > On Wed, Jul 10, 2019 at 11:28:30AM -0700, Rob Clark wrote: > > --- a/include/linux/device.h > > +++ b/include/linux/device.h > > @@ -282,7 +282,8 @@ struct device_driver { > > struct module *owner; > > const char *mod_name; /* used for built-in modules */ > > > > - bool suppress_bind_attrs; /* disables bind/unbind via sysfs */ > > + bool suppress_bind_attrs:1; /* disables bind/unbind via sysfs */ > > + bool driver_manages_iommu:1; /* driver manages IOMMU explicitly */ > > Who will set this bit? >
It is set by the driver:
https://patchwork.freedesktop.org/patch/315291/
(This doesn't really belong in devicetree, since it isn't a description of the hardware, so the driver is really the only place to set this.. which is fine because it is about a detail of how the driver works.)
BR, -R
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