linux-kernel - Re: [PATCH v5 2/6] i2c: xiic: make the clock optional

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Message-ID: <aXiHAzsmQ46mYTbF@smile.fi.intel.com>
Date: Tue, 27 Jan 2026 11:36:03 +0200
From: Andy Shevchenko <andriy.shevchenko@...el.com>
To: abdurrahman@...thop.ai
Cc: Michal Simek <michal.simek@....com>, Andi Shyti <andi.shyti@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, info@...ean-labs.com,
	linux-arm-kernel@...ts.infradead.org, linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v5 2/6] i2c: xiic: make the clock optional

On Mon, Jan 26, 2026 at 05:08:17PM +0000, Abdurrahman Hussain via B4 Relay wrote:

> The xiic driver is designed to operate without explicit clock configuration
> when clocks are not specified in the firmware. This functionality is
> already implemented in xiic_setclk(), which performs an early return when
> either i2c_clk or input_clk are zero:
> 
> This condition is satisfied when clocks are missing, as clk_get_rate(NULL)
> returns zero, allowing the driver to rely on hardware-configured timing.

Bingo!
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...el.com>

-- 
With Best Regards,
Andy Shevchenko