[0/3] i2c: pxa: fix I2C communication on Armada 3700

Message ID	20250511-i2c-pxa-fix-i2c-communication-v1-0-e9097d09a015@gmail.com
Headers	show Received: from mail-ed1-f42.google.com (mail-ed1-f42.google.com [209.85.208.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 57EA428382; Sun, 11 May 2025 13:31:32 +0000 (UTC) From: Gabor Juhos <j4g8y7@gmail.com> Subject: [PATCH 0/3] i2c: pxa: fix I2C communication on Armada 3700 Date: Sun, 11 May 2025 15:31:04 +0200 Message-Id: <20250511-i2c-pxa-fix-i2c-communication-v1-0-e9097d09a015@gmail.com> Precedence: bulk MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit To: Wolfram Sang <wsa@kernel.org>, Andi Shyti <andi.shyti@kernel.org>, Russell King <rmk+kernel@armlinux.org.uk>, Andrew Lunn <andrew@lunn.ch> Cc: Robert Marko <robert.marko@sartura.hr>, Linus Walleij <linus.walleij@linaro.org>, Russell King <rmk+kernel@armlinux.org.uk>, linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Gabor Juhos <j4g8y7@gmail.com>, Imre Kaloz <kaloz@openwrt.org>, stable@vger.kernel.org
Series	i2c: pxa: fix I2C communication on Armada 3700 \| expand [0/3] i2c: pxa: fix I2C communication on Armada 3700 [1/3] i2c: add init_recovery() callback [2/3] i2c: pxa: prevent calling of the generic recovery init code [3/3] i2c: pxa: handle 'Early Bus Busy' condition on Armada 3700

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20250511-i2c-pxa-fix-i2c-communication-v1-0-e9097d09a015@gmail.com

Headers

From: Gabor Juhos <j4g8y7@gmail.com>
Subject: [PATCH 0/3] i2c: pxa: fix I2C communication on Armada 3700
Date: Sun, 11 May 2025 15:31:04 +0200
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 <20250511-i2c-pxa-fix-i2c-communication-v1-0-e9097d09a015@gmail.com>
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To: Wolfram Sang <wsa@kernel.org>, Andi Shyti <andi.shyti@kernel.org>,
 Russell King <rmk+kernel@armlinux.org.uk>, Andrew Lunn <andrew@lunn.ch>
Cc: Robert Marko <robert.marko@sartura.hr>,
 Linus Walleij <linus.walleij@linaro.org>,
 Russell King <rmk+kernel@armlinux.org.uk>, linux-i2c@vger.kernel.org,
 linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
 Gabor Juhos <j4g8y7@gmail.com>, Imre Kaloz <kaloz@openwrt.org>,
 stable@vger.kernel.org

Series

i2c: pxa: fix I2C communication on Armada 3700 | expand

Message

Gabor Juhos May 11, 2025, 1:31 p.m. UTC

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: Gabor Juhos <j4g8y7@gmail.com>
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
---
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: 92a09c47464d040866cf2b4cd052bc60555185fb
change-id: 20250510-i2c-pxa-fix-i2c-communication-3e6de1e3d0c6

Best regards,