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Fri, 31 Jul 2026 11:55:34 +0000 (GMT) Received: from [9.43.104.204] (unknown [9.43.104.204]) by smtpav04.dal12v.mail.ibm.com (Postfix) with ESMTP; Fri, 31 Jul 2026 11:55:33 +0000 (GMT) Message-ID: Date: Fri, 31 Jul 2026 17:25:31 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCHv2] powerpc/44x: Set GPIO chip parent To: "Christophe Leroy (CS GROUP)" , Rosen Penev Cc: Michael Ellerman , Nicholas Piggin , Linus Walleij , open list , linuxppc-dev@lists.ozlabs.org References: <20260517063754.21819-1-rosenp@gmail.com> <1062ee0c-cf44-479e-a442-3dfda7d7614f@kernel.org> Content-Language: en-US From: Madhavan Srinivasan In-Reply-To: <1062ee0c-cf44-479e-a442-3dfda7d7614f@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-ORIG-GUID: BzetAm09BFE8vka1Gr8QvYbJzoUhKobq X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzMxMDA5MCBTYWx0ZWRfX0aticTbQrLW6 UL+4rhJAX8/2IG7FJoX9MRGAQUxkogAbUsSlpA6GazV22vB1Ve1eZGvAHVlYZ+lQdmdTD0xLNRg bZSCVTNXPPoE6+cYcgjnWVlBDQ3+UETTlBN1/CEZLNjDsHRWwhqoGjrBnfifxH+0eS9cJUqezlN EJKEUeyGGzYDQSfGnl+TrwOIT9BAyaFrFAE5tGeIBl+7GxYCdoJ+LX4x6ZAWJct+32SAB4xQZg1 91wyYV2k/zIFIN4qXsgOCyKMTQZPnBAxOsFRRURYTi66Fr5GWRISykDyQeGNc1FtYUIvyrWNF7b dd8i8F12lbBiB4TUFiaf7HrwZhETS1J5ZZ+daXi45ue9a8rxq/hnEKTW/RKHlA2LiEGU6n8PSbB iKahmhQQ00LImunoPh4k4kJLWLV8hVIscgqW8DUs3MN+d5SDxtU9dUNEqGjxYI5bSnlpmUeD4VV GCL1FU9ykQkqfl683Ng== X-Proofpoint-Spam-Info: AW1haW4tMjYwNzMxMDA5MCBTYWx0ZWRfXzNyWSl7EKHMw hr3JE4HWid7vVXuoG1+PhEj/Fu2T1UXn2pBo7kp+67bZsVplmleJ6O+khN+3g7QTNGLn8sWl0TT 6cCQX/K3RuKS00TtaGnvugmCAbdIhq8= X-Authority-Analysis: v=2.4 cv=AZeB2XXG c=1 sm=1 tr=0 ts=6a6c8d3a cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=voM4FWlXAAAA:8 a=pGLkceISAAAA:8 a=lQdpcnZ2sh4bLRxID2MA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=IC2XNlieTeVoXbcui8wp:22 X-Proofpoint-GUID: CIGAHYmZxS0uOAvzEv0KTCdaPeAVw9v- X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-31_04,2026-07-30_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 priorityscore=1501 phishscore=0 adultscore=0 impostorscore=0 clxscore=1015 malwarescore=0 suspectscore=0 lowpriorityscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607310090 On 7/30/26 11:15 AM, Christophe Leroy (CS GROUP) wrote: > > > Le 17/07/2026 à 21:05, Rosen Penev a écrit : >> On Sat, May 16, 2026 at 11:38 PM Rosen Penev wrote: >>> >>> The PPC4xx GPIO driver stopped assigning an explicit parent >>> to the gpio_chip when it moved away from of_mm_gpiochip_add_data(). >>> >>> Restore that association from the platform device so OF GPIO lookup >>> can match phandles to the registered gpiochip. >>> >>> Tested on: Cisco MX60W. No more probe deferral. >>> >>> Assisted-by: Codex:GPT-5.5 >>> Fixes: 1044dbaf2a77 ("powerpc/44x: Change GPIO driver to a proper >>> platform driver") >> Did I forget to ping someone? > > Probably not, but afterwards you sent your series which moves the > driver into drivers/gpio/ and which does the same, so this one was > flagged "superseeded" in Patchwork > (https://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260517063754.21819-1-rosenp@gmail.com/) > > I put it back to 'new'. Maddy, can you pick it up ? yes, i have added this to my next-test Maddy > > Christophe > > >>> Signed-off-by: Rosen Penev >>> --- >>>   arch/powerpc/platforms/44x/gpio.c | 1 + >>>   1 file changed, 1 insertion(+) >>> >>> diff --git a/arch/powerpc/platforms/44x/gpio.c >>> b/arch/powerpc/platforms/44x/gpio.c >>> index aea0d913b59d..4413a94cf7a6 100644 >>> --- a/arch/powerpc/platforms/44x/gpio.c >>> +++ b/arch/powerpc/platforms/44x/gpio.c >>> @@ -169,6 +169,7 @@ static int ppc4xx_gpio_probe(struct >>> platform_device *ofdev) >>> >>>          gc = &chip->gc; >>> >>> +       gc->parent = dev; >>>          gc->base = -1; >>>          gc->ngpio = 32; >>>          gc->direction_input = ppc4xx_gpio_dir_in; >>> -- >>> 2.54.0 >>> >