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X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH8PR19MB6570 On 12/8/25 12:33, Miquel Raynal wrote: > On 02/12/2025 at 23:05:56 +08, Ziyang Huang wrote: > >> This reverts commit dd26402642a0899fde59ea6b0852fad3d799b4cc. >> >> The issue George met is due to the limit of QPIC, not the issue of the >> flash chip. >> >> QPIC only supports 4 bytes ID. So the fifth byte is always 0. >> >> If we use spi-gpio, the fifth byte can be read correctly. >> >> Signed-off-by: Ziyang Huang >> --- > > So how do we solve that? > > Is there anything than can be done on the qpic side? Hi Alam, Is the hardware itself limited to reading 4 ID bytes only or is it a driver limitation? > > Thanks, > Miquèl Best regards, George