linux-kernel - [PATCH v2 0/3] i2c: pxa: fix I2C communication on Armada 3700

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Message-Id: <20250811-i2c-pxa-fix-i2c-communication-v2-0-ca42ea818dc9@gmail.com>
Date: Mon, 11 Aug 2025 21:49:54 +0200
From: Gabor Juhos <j4g8y7@...il.com>
To: Wolfram Sang <wsa@...nel.org>, 
 Wolfram Sang <wsa+renesas@...g-engineering.com>, 
 Andi Shyti <andi.shyti@...nel.org>, 
 Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, 
 Russell King <rmk+kernel@...linux.org.uk>, Andrew Lunn <andrew@...n.ch>, 
 Hanna Hawa <hhhawa@...zon.com>
Cc: Robert Marko <robert.marko@...tura.hr>, 
 Linus Walleij <linus.walleij@...aro.org>, 
 Russell King <rmk+kernel@...linux.org.uk>, linux-i2c@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Imre Kaloz <kaloz@...nwrt.org>, Gabor Juhos <j4g8y7@...il.com>, 
 stable@...r.kernel.org
Subject: [PATCH v2 0/3] i2c: pxa: fix I2C communication on Armada 3700

There is a long standing bug which causes I2C communication not to
work on the Armada 3700 based boards. This small series restores
that functionality.

Signed-off-by: Imre Kaloz <kaloz@...nwrt.org>
Signed-off-by: Gabor Juhos <j4g8y7@...il.com>
---
Changes in v2:
  - collect offered tags
  - rebase and retest on tip of i2c/for-current
  - Link to v1: https://lore.kernel.org/r/20250511-i2c-pxa-fix-i2c-communication-v1-0-e9097d09a015@gmail.com

---
Gabor Juhos (3):
      i2c: add init_recovery() callback
      i2c: pxa: prevent calling of the generic recovery init code
      i2c: pxa: handle 'Early Bus Busy' condition on Armada 3700

 drivers/i2c/busses/i2c-pxa.c | 25 +++++++++++++++++++------
 drivers/i2c/i2c-core-base.c  |  8 +++++++-
 include/linux/i2c.h          |  4 ++++
 3 files changed, 30 insertions(+), 7 deletions(-)
---
base-commit: 8f5ae30d69d7543eee0d70083daf4de8fe15d585
change-id: 20250510-i2c-pxa-fix-i2c-communication-3e6de1e3d0c6

Best regards,
-- 
Gabor Juhos <j4g8y7@...il.com>