Received-SPF: pass (google.com: domain of linux-kernel+bounces-17951-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) client-ip=147.75.48.161;
Date: Fri, 5 Jan 2024 15:40:50 +0100
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: coresight@lists.linaro.org, linux-kernel@vger.kernel.org,
	Mike Leach <mike.leach@linaro.org>,
	James Clark <james.clark@arm.com>, Leo Yan <leo.yan@linaro.org>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] coresight: make coresight_bustype const
Message-ID: <2024010544-framing-cinema-91a7@gregkh>
References: <2024010531-tinfoil-avert-4a57@gregkh>
 <fc74c447-a15b-4fda-bc36-fa39894946e6@arm.com>
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <fc74c447-a15b-4fda-bc36-fa39894946e6@arm.com>

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@arm.com>
> > Cc: Mike Leach <mike.leach@linaro.org>
> > Cc: James Clark <james.clark@arm.com>
> > Cc: Leo Yan <leo.yan@linaro.org>
> > Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
> > Cc: coresight@lists.linaro.org
> > Cc: linux-arm-kernel@lists.infradead.org
> > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> > ---
> >   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!