Re: [PATCH v2 0/4] of: Common "memory-region" parsing

[Tanmay Shah]

Hi Mathieu,

I tested this patchset on top of recent for-next branch. I don't see 
issue on AMD-xlnx ZynqMP platform. With this:

Tested-by: Tanmay Shah <tanmay.shah@xxxxxxx>

On 4/24/25 9:14 AM, Mathieu Poirier wrote:
> Arnaud, Daniel, Iuliana, Andrew and Tanmay - please test this patchset
> on the platforms you are working on.
>
> Thanks,
> Mathieu
>
> On Wed, 23 Apr 2025 at 13:42, Rob Herring (Arm) <robh@xxxxxxxxxx> wrote:
> > While there's a common function to parse "memory-region" properties for
> > DMA pool regions, there's not anything for driver private regions. As a
> > result, drivers have resorted to parsing "memory-region" properties
> > themselves repeating the same pattern over and over. To fix this, this
> > series adds 2 functions to handle those cases:
> > of_reserved_mem_region_to_resource() and of_reserved_mem_region_count().
> >
> > I've converted the whole tree, but just including remoteproc here as
> > it has the most cases. I intend to apply the first 3 patches for 6.16
> > so the driver conversions can be applied for 6.17.
> >
> > A git tree with all the drivers converted is here[1].
> >
> > v2:
> > - Fix of_dma_set_restricted_buffer() to maintain behavior on warning msg
> > - Export devm_ioremap_resource_wc()
> > - Rework handling of resource name to drop unit-address from name as it
> >    was before.
> > - Link to v1:
> >    https://lore.kernel.org/all/20250317232426.952188-1-robh@xxxxxxxxxx
> >
> > [1] git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git dt/memory-region
> >
> > Signed-off-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
> > ---
> > Rob Herring (Arm) (4):
> >        of: reserved_mem: Add functions to parse "memory-region"
> >        of: Simplify of_dma_set_restricted_buffer() to use of_for_each_phandle()
> >        devres: Export devm_ioremap_resource_wc()
> >        remoteproc: Use of_reserved_mem_region_* functions for "memory-region"
> >
> >   drivers/of/device.c                       | 31 +++++-------
> >   drivers/of/of_reserved_mem.c              | 80 +++++++++++++++++++++++++++++++
> >   drivers/remoteproc/imx_dsp_rproc.c        | 45 +++++++----------
> >   drivers/remoteproc/imx_rproc.c            | 68 +++++++++++---------------
> >   drivers/remoteproc/qcom_q6v5_adsp.c       | 24 ++++------
> >   drivers/remoteproc/qcom_q6v5_mss.c        | 60 ++++++++---------------
> >   drivers/remoteproc/qcom_q6v5_pas.c        | 69 ++++++++++----------------
> >   drivers/remoteproc/qcom_q6v5_wcss.c       | 25 ++++------
> >   drivers/remoteproc/qcom_wcnss.c           | 23 ++++-----
> >   drivers/remoteproc/rcar_rproc.c           | 36 ++++++--------
> >   drivers/remoteproc/st_remoteproc.c        | 41 ++++++++--------
> >   drivers/remoteproc/stm32_rproc.c          | 44 ++++++++---------
> >   drivers/remoteproc/ti_k3_dsp_remoteproc.c | 28 +++++------
> >   drivers/remoteproc/ti_k3_m4_remoteproc.c  | 28 +++++------
> >   drivers/remoteproc/ti_k3_r5_remoteproc.c  | 28 +++++------
> >   drivers/remoteproc/xlnx_r5_remoteproc.c   | 51 ++++++++------------
> >   include/linux/of_reserved_mem.h           | 26 ++++++++++
> >   lib/devres.c                              |  1 +
> >   18 files changed, 339 insertions(+), 369 deletions(-)
> > ---
> > base-commit: 0af2f6be1b4281385b618cb86ad946eded089ac8
> > change-id: 20250423-dt-memory-region-v2-a2b15caacc63
> >
> > Best regards,
> > --
> > Rob Herring (Arm) <robh@xxxxxxxxxx>