Hi Jean, thanks for including me! On Tue, 2024-02-13 at 12:05 +0100, Jean Delvare wrote: > > 4. Observed bug > > > > In the "Block Write-Block Read Process Call", the FIFO index should be cleared twice. > > Testing of the Linux driver for the above scenario has shown that it only clears once during the write part (writing data to the FIFO buffer) and does not clear before the read part (reading data > > from the FIFO buffer). > > As a result, the command only returns a portion of the data (N-M) and leaves behind residual data from previous SMBus commands that used the FIFO buffer. > > Support for the Block Write-Block Read Process Call command was added > to the i2c-i801 driver by Alexander Sverdlin in June 2019. I'm adding > him to Cc, but he changed addresses meanwhile, so I hope I got the > right Alexander. While I'm trying to remember the details of the story ;-), could you please point me to the full bug report? I suspect it has not actually been posted to linux-i2c? -- Alexander Sverdlin.
