linux-kernel - Re: [v2,1/1] i2c: designware: Add SMBus Quick Command support

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Message-ID: <Z_zPIoqbC3cdITBh@shikoro>
Date: Mon, 14 Apr 2025 11:02:26 +0200
From: Wolfram Sang <wsa+renesas@...g-engineering.com>
To: ende.tan@...rfivetech.com
Cc: linux-i2c@...r.kernel.org, jarkko.nikula@...ux.intel.com,
	andriy.shevchenko@...ux.intel.com, mika.westerberg@...ux.intel.com,
	jsd@...ihalf.com, andi.shyti@...nel.org,
	linux-kernel@...r.kernel.org, leyfoon.tan@...rfivetech.com,
	endeneer@...il.com
Subject: Re: [v2,1/1] i2c: designware: Add SMBus Quick Command support


> +#define DW_IC_TAR_SMBUS_QUICK_CMD		BIT(16)

This bit does not exist on the instance in the Renesas RZ/N1D SoC. So,
this patch needs some versioning which HW can do this and which can't.


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