On Wed, Sep 23, 2020 at 04:08:40PM +0200, nico.vince@xxxxxxxxx wrote: > From: Nicolas VINCENT <nicolas.vincent@xxxxxxxxxxx> > > the i2c_ram structure is missing the sdmatmp field mentionned in > datasheet for MPC8272 at paragraph 36.5. With this field missing, the > hardware would write past the allocated memory done through > cpm_muram_alloc for the i2c_ram structure and land in memory allocated > for the buffers descriptors corrupting the cbd_bufaddr field. Since this > field is only set during setup(), the first i2c transaction would work > and the following would send data read from an arbitrary memory > location. > > Signed-off-by: Nicolas VINCENT <nicolas.vincent@xxxxxxxxxxx> Fixes tag aded and applied to for-current, thanks everyone!
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