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Sat, 12 Jul 2025 20:45:09 +0200 Message-ID: <33fe23d5-c76f-4f1c-bb84-c7071310ccc3@web.de> Date: Sat, 12 Jul 2025 20:45:08 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Zhang Shurong , dmaengine@vger.kernel.org Cc: LKML , =?UTF-8?Q?Uwe_Kleine-K=C3=B6nig?= , Vinod Koul , Yan Zhen References: Subject: Re: [PATCH] dmaengine: usb-dmac: Fix PM usage counter imbalance Content-Language: en-GB, de-DE From: Markus Elfring In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:rf/FJ6YHvdfdlPTwHcGZasnhyCEtNGq+8mJ48qXsvEfJuQKrRT6 BOqyFfOVoxEfdG5JPyrpem1BPzRSb+bj1tMKi6+uFCZhq/yMnCseeueKjwBInmGgv/vt3Rf QfWkPHngSwmHh9bD0zqSMQmPsGdngI8yj7owPGyuTek6Z9QuFELxIQFFE2/DS0um27wQ5rN ugdm4VLgXpQ3KX7Pi1GZw== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:ceg6tfI+eh8=;mPOvHYavKlQCmfPpjaOMY/iw65N btGBP7ikQ20gnONl10YbUtOPqdwvzt46fRd5aPt2OCIKwAMV1FPB25AaeL8aVd+mJPvvH4VhX pAC4bBmlx8tr/p+bvBprCbV5uL30ElkD/uqmmGVPq90sR3p8Ij6MPpQatSUqzTqsnZIpwfxEz 2M9dtcHsXkQmn7HTVuOUuZCVXMxO9R+vTGbQnh+tJIlZCg82ReJ0nO2kD7asvq1GD+55qfqM5 FRIMlqCpR4x6Fgvr1aibIZgQyQQEv/phwNGE1rnwZd0Qxc/UtbzVtkHLgY3aJrg0gNXpjtyNB gOCotvvibuZgnU+2GB+xkBK86z2Kv1UZfzoKE/QzXjckWRKAGK8rMTp0soce+6fWn+Ue5HXvo hkrhMILHIZdi8gGd7qqrnlJFLUpQOhqJmJp9E/qJXHGqynkkeOVnRLEWCyp5fLTgfIHLFWNri mYpNgYO+9vxYrnpgdb1UoQvg4witipiuodhfU+vU0E4GJHJ604Y3LcDamQoSowDr5z29BO2xi EIwD9PmSPVmVIS79vgpSrORPFrahi+NLVpfTJkNaJ2YWQlYAjN/BI1j3E2MhoUQsNuTXhAxUG B80Q5qDyBhfWD7AP0cKqTjZ5goWehf80LxCDxee4B+/XdACMi9+W8SIywWjMT6ksp+EgE2o+I yePajdsAawTBHAXbglXAnnzuo2oS2pBojIPgXN3scLwB0Dj5a1Yn7fr7Ol2R4L44j+rgzhMH2 unCYTOXwVJLaRZ+8aco3AdRI8PNFnxgrN+3CCftKGMHFYbPtVOyhgjGYdgixKHWzSv5wqltrW SeqDEaZco2OA3DWStdUdCAT+s7vQ55jJNOeFNb4DcVajYmhlmXxoOIaLTLA1PuQPgRga1V2JN BBaiAm394oTahlSRspQ0+BpK35/828kktY2yTaszuNupaqkYaJwYppzsdy3sqxjRzQafYR4Bz IsksesBoB+brDAeJ8HRwx+tGC7p0zFnOG+Vu0LNAqVv4f7lfeilcr82bN3YCmckBuiK9yRDip Ds2q8/cgZ/V9Sw2olrl5pPeKpKiFD5NCngxHHMhCGEbHqTEC+bRIG/utZUQK5UuIhHXHkX7Cv aW0oJGPVJyBVkNdfSaz/rCQDI6kpSys+iDF4hooO2WNlCTx7y7ky/DHXeyCLDJM0pQ4lUJNjG N0ZDKCUpFZ3+euTd0D+bIu1ph8JFMftKCHeyDT49Ya0ZEYr0r5SrmkSZMgBRKsoGhjU6IyENZ /AZkYrcIyeOWQ+7Jr8wFPz0jZwCRTWRiVrgBjGDdOxGQOrSQ43Lgeb1+yUM04XD8E9EFsC+7u knbx1l6uwrA357T1YDUvKc225z2DubDzu3K2n19/qUAjsrLrW0Tq/KMeYm5NK2Uo3ZKnyNTsx o0CIB7UicTU5DBb91RfvH5wYMeCyJEPsfjrXsjSzMcruOvAnO16GoH3gDnPcFwRit7ma/8Nyc wpW8HIorbZa95qDemAiJEA7PDdvzED29zVQzjDmgrKJ1TTz1328Cp+gKKmJ7YmtUct/u1k38U 0Zw7Y7YPR4L1wFVMMS6ITW301oFOi8HhCh0as4rf4y02A2PzRJmbRDhCZaieaGfK/NkmtMaCA iS8drTKq+36fLAIzxfT8clJ5PbNETEJopkcmyuEnsEZLIoB10qW74dlGrzT/lzOXwth0a9Hr7 QM6TRfdUA+7XL1KYENu7IdfY7892iDNu5mvkUE/3jZsJAjrO7InBd7Z1chLUp6opVSHhMu2qy gTdxbcrCHO1Nk341Surwqu2yW2x3Ij2Cjg0I62zh5sT3XEDo8wHrzm9gGKF2Sdpzd9LZxu7pD Sn9oN9ssKDWn84eqS/EdFUph+Bc5rLLaZBmu7c5cG14Ufd47Mxzt+GNfPAcBpWYJdB04DoBNX 5SKZdFkIVHsEAJlDqs2YeAS9+7Hi6KdHEZT6SeNEWUhcUUOvvc1gzTvY7x4MpLyLtt5LDEF81 dhbHMq9f8KXAkv+7q59JBMgzoowpvaJHeoy08993WZPIrodw7FziaSn7flK/82Ks3Aekxoq/D 9kR8UIIEW0kK/HukZBwf/o984AJ/0vWiK7TobGiYActz9brAadwArlrhnNYmqGi//O7x4HZmH VgNSjq0nMR+E8vohQDbmieKqGDQI0cMqaotBE/jSfnvEhSZJTnJrk4wa4VmG6/S402KbZK84d /ndnxtZmxw1nrWUtVJ4f9J+zw1iBi7DbVDrizj5NYKH11Fe5Ij7ev2CBaU/1x5NXkbt8en5R3 jNhMD8cbzQTG0Efnucf9dHpB/o4HDqgmnz+Zgi5rWw5zogNSDCtr26ZnYO/3FuFRpCmfdSpqW PMXah2ExXm+kbFT69iwua+wIOodPC5DzHbbqfth3WqrekHytdKo/mVDWjXzAbxKIT4+6lDy5b jJTUCrLLjOtd2x2VjCPdvaJaYawVMOuupMAqkxYSSJm787KQQd479LAZ+O3kJ/9mxXG+V26AU yyrIQO/8EIIaSItUMpBzxP7uYY9r12PJ6MeXLXoHfZIvnko+oO5c1nIfFeNHsPTNenTYQrywi vlVRGNKoBtXJu5bo2IPlJUVM1aeJnMfJAZA5ZSbWNfiGpYyYp5az69NE76+jROFh52n27vFSz cXaUfWU9QlZxYY7sqOyV5SL9jduaOq9bvNMssp9dNbu4P3DfUvmFzfE5jJ/r8bJFZiitxjsb7 r/+ZQq+xqIODVIVdVvi0bgKT27r2sgB5kPyhFwW3dADvTGnF2m1fdw6yHblJho7IiSqA75tiT 5UVuD4sMCpN91XOT7QRSStmejylXHEN8RY5Bf3YRANvzJQJYntZ4Wi3tTMjejA9DfVczWdKJP bpwCDQQ2Y+DiBG8i9kiKyH8sKXmNVHjJvltgJmxXgEpBEidrojpIyHtq8bHxQSk3zO/iWZwKB ngKR+8xnm1qvoX5vU9ljO9LLnrJdsAu1uQ873ypRC37cKAtjsTAKH8acXV9bwU48Rzo/VsWWY P9Lw3RXRpaeJx66EdaoO4YEBWisam6OsO/oFD39yEd9zJoQHMcvWxeZdb4Yp20pABorW29A7z YifA94KljeNw7pkhkkZFm94lGAtvTWhUGgoqRPM7EFkG1jhwbu6GvN82wPERIeMd8ovBxpxDD aNOevJxirG+pvdFTY1MUToNuNZzvztX+E04dlC394tMn9bqKZN2UDRcZjKBDN1VCvtJ1/Cv8h +PrpO3cmJuhVanPRggeFBB6lG0Eza6xZO7fewYtzmnuC3+6YpgH2ouFyhyXqtJ8dRRAhclAav eb3dTMzEwm35dgVVuQSROUUzR4IrInTFgs/XB2gZ6Dv+f/1pBcsWz4SxiyKKQZb8J6ASoboti mSZTME3MoOCue2vOS2A7Xg3vbM91hC46feOYm0X+gPiFPCkLYbU/fWigxo0D4yKRKrXGh6qKY hHAUGPFrJOHLaKrGyQzromL9H+vuvPTAHT8aSpPk7uMiN7JWjTQObk8g64uD1zFLMl8UFEPZj +jfinbhYQRbpsSOdBHI4E665LMwZD3ABnMBHnRVy3NBYXWn3ksF6o4X5skf1e53gdiPE5aMOj gJTjPWpwsy1Z5xCMuCTb+vi3BlM2fu1mheqxfzJlyXlC =E2=80=A6 > result in reference leak here. We fix it by replacing > it with pm_runtime_resume_and_get to keep usage counter > balanced. You may occasionally put more than 55 characters into text lines of such a change description. See also: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Do= cumentation/process/submitting-patches.rst?h=3Dv6.16-rc5#n94 Regards, Markus