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Thu, 04 Jun 2026 00:13:17 -0700 (PDT) Received: from localhost ([2601:644:8000:5b5d:7285:c2ff:fe45:8a32]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-842828daf76sm5288169b3a.42.2026.06.04.00.13.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 04 Jun 2026 00:13:16 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Thu, 04 Jun 2026 00:13:15 -0700 Message-Id: Cc: , "Arnd Bergmann" , , "Greg Kroah-Hartman" , "moderated list:ARM/ZYNQ ARCHITECTURE" Subject: Re: [PATCH] char: xilinx_hwicap: replace in_be32/out_be32 with ioread32be/iowrite32be From: "Rosen Penev" To: "Michal Simek" , "Rosen Penev" X-Mailer: aerc 0.21.0-0-g5549850facc2 References: <20260602035717.623208-1-rosenp@gmail.com> <878fd338-b4d0-4e46-987c-5a0ee52989dc@amd.com> In-Reply-To: On Wed Jun 3, 2026 at 11:30 PM PDT, Michal Simek wrote: > > > On 6/3/26 21:52, Rosen Penev wrote: >> On Mon, Jun 1, 2026 at 11:22=E2=80=AFPM Michal Simek wrote: >>> >>> >>> >>> On 6/2/26 05:57, Rosen Penev wrote: >>>> Mechanical conversion of the ppc4xx-specific accessors to the generic >>>> portable helpers. >>>> >>>> As a result, COMPILE_TEST is added for extra compile coverage. >>>> >>>> Assisted-by: opencode:big-pickle >>>> Signed-off-by: Rosen Penev >>>> --- >>>> drivers/char/Kconfig | 2 +- >>>> drivers/char/xilinx_hwicap/buffer_icap.c | 16 +++++------ >>>> drivers/char/xilinx_hwicap/fifo_icap.c | 34 +++++++++++----------= --- >>>> 3 files changed, 24 insertions(+), 28 deletions(-) >>> >>> I don't really mind about this because I think that we can also remove = the whole >>> driver. >> I looked into this. The problem here is that there are actual users >> >> arch/microblaze/boot/dts/system.dts >> >> and >> >> arch/mips/boot/dts/xilfpga/nexys4ddr.dts > > > I can't see users of it. Hrm looks like I just grepped xlns,xps and found system.dts. You're right. > > on v7.1-rc1 > $ git grep opb-hwicap > Documentation/devicetree/bindings/xilinx.txt:126: > "xlnx,opb-hwicap-1.00.b". > drivers/char/xilinx_hwicap/xilinx_hwicap.c:733: { .compatible =3D > "xlnx,opb-hwicap-1.00.b", .data =3D &buffer_icap_config}, > $ git grep xps-hwicap > Documentation/devicetree/bindings/xilinx.txt:125: - compati= ble : > should contain "xlnx,xps-hwicap-1.00.a" or > drivers/char/xilinx_hwicap/xilinx_hwicap.c:734: { .compatible =3D > "xlnx,xps-hwicap-1.00.a", .data =3D &fifo_icap_config}, > > Thanks, > Michal