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Sun, 01 Feb 2026 22:02:36 -0800 (PST) From: Khairul Anuar Romli To: Eugeniy Paltsev , Vinod Koul , dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, Markus.Elfring@web.de, Khairul Anuar Romli Subject: [PATCH 3/3] dmaengine: dw-axi-dmac: Remove unnecessary return statement from void function Date: Mon, 2 Feb 2026 14:02:19 +0800 Message-ID: <20260202060224.12616-4-karom.9560@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260202060224.12616-1-karom.9560@gmail.com> References: <20260202060224.12616-1-karom.9560@gmail.com> 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" checkpatch.pl --strict reports a WARNING in dw-axi-dmac-platform.c: WARNING: void function return statements are not generally useful FILE: drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c According to Linux kernel coding style [Documentation/process/ coding-style.rst], explicit "return;" statements at the end of void functions are redundant and should be omitted. The function will automatically return upon reaching the closing brace, so the extra statement adds unnecessary clutter without functional benefit. This patch removes the superfluous "return;" statement in dw_axi_dma_set_hw_channel() to comply with kernel coding standards and eliminate the checkpatch warning. Fixes: 32286e279385 ("dmaengine: dw-axi-dmac: Remove free slot check algori= thm in dw_axi_dma_set_hw_channel") Signed-off-by: Khairul Anuar Romli --- v6 -> v7: - Make slightly adjustment to the commit title to reflect exactly to what the patch is address. - Refine the details in the patch summary. - Move the commit that the patch try to fix to Fixes. Reference to v6: https://lore.kernel.org/all/20260201000500.11882-4-karom.9560@gmail.com/ --- drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/d= w-axi-dmac/dw-axi-dmac-platform.c index e59725376f8e..c124ac6c8df6 100644 --- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c +++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c @@ -593,8 +593,6 @@ static void dw_axi_dma_set_hw_channel(struct axi_dma_ch= an *chan, bool set) (chan->id * DMA_APB_HS_SEL_BIT_SIZE)); reg_value |=3D (val << (chan->id * DMA_APB_HS_SEL_BIT_SIZE)); lo_hi_writeq(reg_value, chip->apb_regs + DMAC_APB_HW_HS_SEL_0); - - return; } =20 /* --=20 2.43.0