linux-kernel - [PATCH v4 0/2] i2c: lpi2c: implement master_xfer

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Message-Id: <20250523082931.23170-1-francesco@dolcini.it>
Date: Fri, 23 May 2025 10:29:29 +0200
From: Francesco Dolcini <francesco@...cini.it>
To: Dong Aisheng <aisheng.dong@....com>,
	Andi Shyti <andi.shyti@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>
Cc: Francesco Dolcini <francesco.dolcini@...adex.com>,
	linux-i2c@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v4 0/2] i2c: lpi2c: implement master_xfer_atomic callback

From: Francesco Dolcini <francesco.dolcini@...adex.com>

This series adds atomic operations support to the imx-lpi2c driver and split
the previous v3 patch into two separate patches.

The first patch replaces the open-coded polling loops with readl_poll_timeout.
This improves readability and consistency, and prepares the code for
integration of the second patch, while maintaining the same functionality.

The second patch implements the .master_xfer_atomic() callback, enabling
support for atomic I2C transfers.

Emanuele Ghidoli (2):
  i2c: lpi2c: use readl_poll_timeout() for register polling
  i2c: lpi2c: implement master_xfer_atomic callback

 drivers/i2c/busses/i2c-imx-lpi2c.c | 262 +++++++++++++++++++----------
 1 file changed, 176 insertions(+), 86 deletions(-)

-- 
2.39.5