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Thu, 08 Jan 2026 05:39:41 -0800 (PST) Message-ID: Subject: Re: [PATCH v5 03/13] dmaengine: axi-dmac: use sg_nents_for_dma() helper From: Nuno =?ISO-8859-1?Q?S=E1?= To: Andy Shevchenko , Bjorn Andersson , Nuno =?ISO-8859-1?Q?S=E1?= , Vinod Koul , Bartosz Golaszewski , Thomas Andreatta , Caleb Sander Mateos , dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org Cc: Olivier Dautricourt , Stefan Roese , Florian Fainelli , Broadcom internal kernel review list , Ray Jui , Scott Branden , Lars-Peter Clausen , Eugeniy Paltsev , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Lizhi Hou , Brian Xu , Raj Kumar Rampelli , Michal Simek , Andrew Morton Date: Thu, 08 Jan 2026 13:40:18 +0000 In-Reply-To: <20260108105619.3513561-4-andriy.shevchenko@linux.intel.com> References: <20260108105619.3513561-1-andriy.shevchenko@linux.intel.com> <20260108105619.3513561-4-andriy.shevchenko@linux.intel.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.58.2 Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Thu, 2026-01-08 at 11:50 +0100, Andy Shevchenko wrote: > Instead of open coded variant let's use recently introduced helper. >=20 > Reviewed-by: Bjorn Andersson > Signed-off-by: Andy Shevchenko > --- Reviewed-by: Nuno S=C3=A1 > =C2=A0drivers/dma/dma-axi-dmac.c | 5 +---- > =C2=A01 file changed, 1 insertion(+), 4 deletions(-) >=20 > diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c > index 045e9b9a90df..f5caf75dc0e7 100644 > --- a/drivers/dma/dma-axi-dmac.c > +++ b/drivers/dma/dma-axi-dmac.c > @@ -677,10 +677,7 @@ static struct dma_async_tx_descriptor *axi_dmac_prep= _slave_sg( > =C2=A0 if (direction !=3D chan->direction) > =C2=A0 return NULL; > =C2=A0 > - num_sgs =3D 0; > - for_each_sg(sgl, sg, sg_len, i) > - num_sgs +=3D DIV_ROUND_UP(sg_dma_len(sg), chan->max_length); > - > + num_sgs =3D sg_nents_for_dma(sgl, sg_len, chan->max_length); > =C2=A0 desc =3D axi_dmac_alloc_desc(chan, num_sgs); > =C2=A0 if (!desc) > =C2=A0 return NULL;