Re: [PATCH] coresight: make coresight_bustype const

[Greg Kroah-Hartman]

On Fri, Jan 05, 2024 at 02:22:43PM +0000, Suzuki K Poulose wrote:
> On 05/01/2024 12:33, Greg Kroah-Hartman wrote:
> > Now that the driver core can properly handle constant struct bus_type,
> > move the coresight_bustype variable to be a constant structure as well,
> > placing it into read-only memory which can not be modified at runtime.
> > 
> > Cc: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
> > Cc: Mike Leach <mike.leach@xxxxxxxxxx>
> > Cc: James Clark <james.clark@xxxxxxx>
> > Cc: Leo Yan <leo.yan@xxxxxxxxxx>
> > Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
> > Cc: coresight@xxxxxxxxxxxxxxxx
> > Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> > ---
> >   drivers/hwtracing/coresight/coresight-core.c | 2 +-
> >   include/linux/coresight.h                    | 2 +-
> >   2 files changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c
> > index 9fabe00a40d6..24c49e581737 100644
> > --- a/drivers/hwtracing/coresight/coresight-core.c
> > +++ b/drivers/hwtracing/coresight/coresight-core.c
> > @@ -1796,7 +1796,7 @@ char *coresight_alloc_device_name(struct coresight_dev_list *dict,
> >   }
> >   EXPORT_SYMBOL_GPL(coresight_alloc_device_name);
> > -struct bus_type coresight_bustype = {
> > +const struct bus_type coresight_bustype = {
> >   	.name	= "coresight",
> >   };
> > diff --git a/include/linux/coresight.h b/include/linux/coresight.h
> > index a269fffaf991..8fe75a0d7693 100644
> > --- a/include/linux/coresight.h
> > +++ b/include/linux/coresight.h
> > @@ -35,7 +35,7 @@
> >   #define CORESIGHT_UNLOCK	0xc5acce55
> > -extern struct bus_type coresight_bustype;
> > +extern const struct bus_type coresight_bustype;
> 
> Thanks, for the patch. I will queue this for v6.8.

Thanks!