Messages in this thread | | | Date | Sun, 27 Sep 2020 20:06:16 +0200 | From | Wolfram Sang <> | Subject | Re: [PATCH v1] i2c: npcm7xx: Clear LAST bit after a failed transaction. |
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On Sun, Sep 20, 2020 at 11:48:09PM +0300, Tali Perry wrote: > Due to a HW issue, in some scenarios the LAST bit might remain set. > This will cause an unexpected NACK after reading 16 bytes on the next > read. > > Example: if user tries to read from a missing device, get a NACK, > then if the next command is a long read ( > 16 bytes), > the master will stop reading after 16 bytes. > To solve this, if a command fails, check if LAST bit is still > set. If it does, reset the module. > > Fixes: 56a1485b102e (i2c: npcm7xx: Add Nuvoton NPCM I2C controller driver) > Signed-off-by: Tali Perry <tali.perry1@gmail.com>
Applied to for-current, thanks!
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