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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: MWGRjGtjgB/HDY49hUvYwOG3SAxX2rBOX2geBofiFpPvVyPMdz4J/EX67Iul3BxZ92ljRhMrDrbIgNPsAImzNWq9CfiLL1WUvsyZpFVSxD8Gxh+zY842ueII03Pl6FgZi2TaIcvm0VNl1BzvyBGLV5rZeTPccYaKPsvHVGVSRo2j6agHvXhHInCz2/CR+4BSXTxCvfNwGNERre2dqGRmNTXzKqB0/vo5SgvC03/xXtUmXRSnuOR4jvi1QhlLFk+pA3UkCUTxTu/ZqWdrT3cgcZi6r2JSxN97qXPEhq5p9BSx+AvqZuDiH+B6UE0G1PRqUQ27t0OjdqzI6FsjiVVvhW9tVyhY3lqSFGQKWa6gYhf+LNnLg/i7usPjn9gBwj/Sj3ad3XrEq8XsVOln+4snNfc5bXrJbgZZU9REckCz5cmH5IvJSekEkylu1ah+mQRm X-OriginatorOrg: gehealthcare.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Oct 2026 10:45:01.2401 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3eff6059-a741-41fb-847e-08df2396dfb3 X-MS-Exchange-CrossTenant-Id: 9a309606-d6ec-4188-a28a-298812b4bbbf X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=9a309606-d6ec-4188-a28a-298812b4bbbf;Ip=[165.85.157.49];Helo=[atlrelay1.compute.ge-healthcare.net] X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: TreatMessagesAsInternal-BL6PEPF0006C3DF.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV1PR22MB6016 On Tue, Oct 06, 2026 at 10:28:23AM +0300, Adrian Hunter wrote: > On 01/10/2026 18:39, Ian Ray wrote: > > On Wed, Sep 30, 2026 at 10:00:47PM +0300, Adrian Hunter wrote: > >> On 29/09/2026 16:06, Ulf Hansson wrote: > >>> + Adrian > >>> > >>> On Sat, Sep 26, 2026 at 2:29 PM Ian Ray wrote: > >>>> > >>>> The host controller driver type value used by the MMC core [1] _mostly_ > >>>> overlaps with the eMMC device I/O driver strength value [2] as shown in > >>>> the table below; however, there is _no_ host mapping for eMMC value 4. [...] > > > > The "invalid driver type" warning that I originally observed originates > > in sdhci_set_ios_common() which is shared by all SDHCI hosts (IIUC). > > > > Thus any SDHCI host configured with `fixed-emmc-driver-type = <4>` would > > log that warning. > > The warning is valid. SDHCI does not support value 4 and doesn't know > what is a valid alternative or even if there is one. That is up to the > driver to sort out. If other drivers do it the same way, then a > helper or something could be added. [...] > The objective is not to avoid the warning. The warning is valid. The > objective is to provide a valid value. 4 is not. Thank you, I will send a v2 in which sdhci_esdhc_imx_set_ios implements a bounds check against MMC_SET_DRIVER_TYPE_D.