[PATCH 0/4] cache: sifive_ccache: Auxiliary device support
Conor Dooley
conor at kernel.org
Wed Apr 24 14:20:00 PDT 2024
On Wed, Apr 24, 2024 at 10:19:18PM +0200, Alexandre Ghiti wrote:
> Hi Samuel,
>
> On 11/04/2024 01:22, Samuel Holland wrote:
> > As of commit c90847bcbfb6 ("cache: sifive_ccache: Partially convert to a
> > platform driver"), the cache subsystem binds a platform driver to the
> > Composable Cache's DT node. This prevents the perf subsystem from doing
> > the same for the new PMU driver[1]. To allow using both drivers at the
> > same time without conflicts or module linkage dependencies, attach the
> > PMU driver to the auxiliary device bus. While at it, prepare to use the
> > auxiliary device bus for the EDAC driver as well, which significantly
> > simplifies that driver. The actual EDAC driver conversion has to wait
> > another development cycle to avoid dependencies between git trees.
> >
> > [1]: https://lore.kernel.org/linux-riscv/20240216000837.1868917-3-samuel.holland@sifive.com/
> >
> >
> > Samuel Holland (4):
> > cache: sifive_ccache: Silence unused variable warning
> > cache: sifive_ccache: Use of_iomap() helper
> > cache: sifive_ccache: Export base address for child drivers
> > cache: sifive_ccache: Add EDAC and PMU as auxiliary devices
> >
> > drivers/cache/Kconfig | 1 +
> > drivers/cache/sifive_ccache.c | 94 +++++++++++++++++++++---------
> > include/soc/sifive/sifive_ccache.h | 8 +++
> > 3 files changed, 74 insertions(+), 29 deletions(-)
> >
>
> I took a quick look and I'm not sure if the whole patchset is a fix for 6.9
> or if only patch 1 is?
Only the first patch is IMO, but it is a fix for a patch I applied so
it'll go this week via the soc tree with those auto-update fixes.
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