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Thu, 19 Feb 2026 18:10:25 -0600 Received: from [128.247.81.105] (judy-hp.dhcp.ti.com [128.247.81.105]) by lelvem-mr06.itg.ti.com (8.18.1/8.18.1) with ESMTP id 61K0APc72943455; Thu, 19 Feb 2026 18:10:25 -0600 Message-ID: <7ad9d8bf-a962-40f0-bc8a-92228aeb0b4e@ti.com> Date: Thu, 19 Feb 2026 18:10:25 -0600 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] arm64: dts: ti: k3-am62a7-sk: Disable mmc Schmitt Trigger To: "Sverdlin, Alexander" , "msp@baylibre.com" CC: "linux-arm-kernel@lists.infradead.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" References: <20260106-topic-am62a-mmc-pinctrl-v6-19-next-v1-1-1190ac29aadb@baylibre.com> <1a91fd40-e814-4b4c-8914-d8f0c4768e07@ti.com> <7ae7f6a1-0ee1-4d56-b1d0-f038a7d22b4c@ti.com> <615c56c4564b38fe82585e9873949b538f24ae7b.camel@siemens.com> Content-Language: en-US From: Judith Mendez In-Reply-To: <615c56c4564b38fe82585e9873949b538f24ae7b.camel@siemens.com> Content-Type: text/plain; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: +6dtfliIMqVL/igl/9c0KkqQYeEmSLHOJcqCeYWR51pBQPe/KijjFlcK46ij3EV71F6T4x+7XOKJzjUZV/Z/CU2/t9vGQCf2HHXSnkCNGYGNKIGYWJlpW/9l8JSUTnsC3GOoDl6reXCEpAolP8uCxSVDO8iTp/WMoIEJvlk3reTHmh6RaRBmHL3b45h1p366SGqjkCvKZiPTUEvx6amRZxpnr0W7V5JLUBVqODAAqmytDFtUz9WUKTjP6uw/DnG0dU1VtdiElp5XJ6OEGvs7a+9tHOy5qbCbutco5KXARztzUpSNm95aztTCPfQ+bKR1D9AA0IV2rHQNTM/2P6eMWk5uSYXHwwLpn9KbEJ8/p4w/LPwnMUdyBZRvDMQJGXGrdynNzhmDAGpwcX8nPrzmCpiGDXZJ7h9Q6KY7a5ZBCFfryEB2Twl3oOs0m9xdQqPc X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Feb 2026 00:10:26.6724 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 69747ab3-3e3c-4427-1df2-08de7014733b X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.194];Helo=[lewvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: SJ5PEPF00000207.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR10MB5858 Hi Alexander, On 2/17/26 7:23 AM, Sverdlin, Alexander wrote: > On Tue, 2026-02-17 at 13:57 +0100, Alexander Sverdlin wrote: >>>>>>> Can you please run a quick tap sweep on MMC1 and MMC0 interfaces like >>>>>>> so? https://gist.github.com/jmenti/f4a73a8323e44bf717c6d2c528c499ca >>>>>>> >>>>>>> This will give me an idea if whether we should be talking about >>>>>>> revisiting characterization with ST_ENA=1. >> >> I wanted to apply your patch and test on our HW, but I have some doubts, if >> the patch maybe missing something: >> >> - am654_sdhci_write_otapdly() turns out to be unused in any upstream U-Boot version >> - new "omap" variable in am654_sdhci_execute_tuning() is in fact unused as well > > and > > | /home/sverdlin/u-boot/drivers/mmc/am654_sdhci.c: In function 'j721e_4bit_sdhci_set_ios_post': > | /home/sverdlin/u-boot/drivers/mmc/am654_sdhci.c:598:9: error: 'itap_del_sel' is used uninitialized [-Werror=uninitialized] > | 598 | printf("j721e_4bit_sdhci_set_ios_post, mode=%d, otap=%d, itap=%d\n", mode, otap_del_sel, itap_del_sel); > | | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > | /home/sverdlin/u-boot/drivers/mmc/am654_sdhci.c:594:13: note: 'itap_del_sel' was declared here > | 594 | u32 itap_del_sel; > | | ^~~~~~~~~~~~ > > > so I'm not sure regarding the previous test results at all any longer.. Sorry for the late reply, somehow I missed this email. Oh my, I am not sure what happend but seems like I did not copy the whole patch correctly. Were you able to bypass or do you need me to rebase the patch and copy correctly? ~ Judith