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Message-ID: <x3qhp6xpmeafsaufplh76tflru5bfbjjhndnu3ethw6gpbkre6@pyaswbbuog7y> Date: Thu, 5 Sep 2024 23:33:31 +0200 From: Andi Shyti <andi.shyti@...nel.org> To: Tyrone Ting <warp5tw@...il.com> Cc: avifishman70@...il.com, tmaimon77@...il.com, tali.perry1@...il.com, venture@...gle.com, yuenn@...gle.com, benjaminfair@...gle.com, andriy.shevchenko@...ux.intel.com, wsa@...nel.org, rand.sec96@...il.com, wsa+renesas@...g-engineering.com, tali.perry@...oton.com, Avi.Fishman@...oton.com, tomer.maimon@...oton.com, KWLIU@...oton.com, JJLIU0@...oton.com, kfting@...oton.com, openbmc@...ts.ozlabs.org, linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v2 3/7] i2c: npcm: use a software flag to indicate a BER condition Hi, On Fri, Aug 30, 2024 at 11:46:36AM GMT, Tyrone Ting wrote: > If not clearing the BB (bus busy) condition in the BER (bus error) > interrupt, the driver causes a timeout and hence the i2c core > doesn't do the i2c transfer retry but returns the driver's return > value to the upper layer instead. > > Clear the BB condition in the BER interrupt and a software flag is > used. The driver does an i2c recovery without causing the timeout > if the flag is set. > > Fixes: 48acf8292280 ("i2c: Remove redundant comparison in npcm_i2c_reg_slave") > Signed-off-by: Tyrone Ting <kfting@...oton.com> Can I have an ack from the supporters of the ARM/NUVOTON NPCM ARCHITECTURE here? Thanks, Andi
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