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Wed, 05 Nov 2025 13:03:36 -0800 (PST) From: Rosen Penev To: dmaengine@vger.kernel.org Cc: Vinod Koul , linux-kernel@vger.kernel.org (open list) Subject: [PATCHv4 dmaengine 2/2] dmaengine: mv_xor: use devm_clk_get_optional_enabled Date: Wed, 5 Nov 2025 13:03:17 -0800 Message-ID: <20251105210317.18215-3-rosenp@gmail.com> X-Mailer: git-send-email 2.51.2 In-Reply-To: <20251105210317.18215-1-rosenp@gmail.com> References: <20251105210317.18215-1-rosenp@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" Driver was written before this was available. Simplifies code slightly. Actually also a bugfix. clk_disable_unprepare is missing in _remove, which is also missing. Signed-off-by: Rosen Penev --- drivers/dma/mv_xor.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c index 3597ad8d1220..d15a1990534b 100644 --- a/drivers/dma/mv_xor.c +++ b/drivers/dma/mv_xor.c @@ -1351,9 +1351,9 @@ static int mv_xor_probe(struct platform_device *pdev) /* Not all platforms can gate the clock, so it is not * an error if the clock does not exists. */ - xordev->clk =3D clk_get(&pdev->dev, NULL); - if (!IS_ERR(xordev->clk)) - clk_prepare_enable(xordev->clk); + xordev->clk =3D devm_clk_get_optional_enabled(&pdev->dev, NULL); + if (IS_ERR(xordev->clk)) + return PTR_ERR(xordev->clk); =20 /* * We don't want to have more than one channel per CPU in @@ -1441,11 +1441,6 @@ static int mv_xor_probe(struct platform_device *pdev) irq_dispose_mapping(xordev->channels[i]->irq); } =20 - if (!IS_ERR(xordev->clk)) { - clk_disable_unprepare(xordev->clk); - clk_put(xordev->clk); - } - return ret; } =20 --=20 2.51.2