linux-kernel - Re: [PATCH v2 06/10] i2c: kempld: Use i2c_10bit_addr_*_from

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Message-ID: <Z64frt9vbdLVYbrB@smile.fi.intel.com>
Date: Thu, 13 Feb 2025 18:37:02 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Wolfram Sang <wsa+renesas@...g-engineering.com>,
	Andi Shyti <andi.shyti@...nel.org>, linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	linux-renesas-soc@...r.kernel.org,
	Krzysztof Adamski <krzysztof.adamski@...ia.com>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	Kamal Dasu <kamal.dasu@...adcom.com>, Stefan Roese <sr@...x.de>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Gregory CLEMENT <gregory.clement@...tlin.com>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>
Subject: Re: [PATCH v2 06/10] i2c: kempld: Use i2c_10bit_addr_*_from_msg()
 helpers

On Thu, Feb 13, 2025 at 05:15:09PM +0100, Wolfram Sang wrote:

...

> >  	/* Second part of 10 bit addressing */
> >  	if (i2c->state == STATE_ADDR10) {
> > -		kempld_write8(pld, KEMPLD_I2C_DATA, i2c->msg->addr & 0xff);
> > +		addr = i2c_10bit_addr_lo_from_msg(msg);
> > +		i2c->state = STATE_START;
> 
> Any reason you moved this?

Yes, I would like to be in sync in the above state machine case, just upper in
the code which is not visible in this patch.

> > +		kempld_write8(pld, KEMPLD_I2C_DATA, addr);
> 
> Maybe we could skip using 'addr' here?

Same reason as above.

> >  		kempld_write8(pld, KEMPLD_I2C_CMD, I2C_CMD_WRITE);
> >  
> > -		i2c->state = STATE_START;
> >  		return 0;
> >  	}

-- 
With Best Regards,
Andy Shevchenko