Re: [PATCH v2 3/3] mmc: mediatek: add support for SDIO eint irq

From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Axe Yang <axe.yang@mediatek.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Chaotian Jing <chaotian.jing@mediatek.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>,
	Satya Tangirala <satyat@google.com>,
	Wolfram Sang <wsa+renesas@sang-engineering.com>,
	Lucas Stach <dev@lynxeye.de>, Eric Biggers <ebiggers@google.com>,
	Andrew Jeffery <andrew@aj.id.au>,
	Stephen Boyd <swboyd@chromium.org>,
	Kiwoong Kim <kwmad.kim@samsung.com>, Yue Hu <huyue2@yulong.com>,
	Tian Tao <tiantao6@hisilicon.com>,
	linux-mmc@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org
Subject: Re: [PATCH v2 3/3] mmc: mediatek: add support for SDIO eint irq
Date: Thu, 13 Jan 2022 12:47:53 +0200	[thread overview]
Message-ID: <YeADWXPGPW253ssR@smile.fi.intel.com> (raw)
In-Reply-To: <83670f12a4eda1d8aecde3c0bf225642106d1267.camel@mediatek.com>

On Thu, Jan 13, 2022 at 03:58:52PM +0800, Axe Yang wrote:

> But for the comment for 'dev_dbg', can you explain more about that?

Sure.

> On Tue, 2022-01-11 at 13:46 +0200, Andy Shevchenko wrote:
> > On Tue, Jan 11, 2022 at 09:40:46AM +0800, Axe Yang wrote:

...

> > > +		host->pins_eint = pinctrl_lookup_state(host->pinctrl,
> > > "state_eint");
> > > +		if (IS_ERR(host->pins_eint)) {
> > > +			dev_dbg(&pdev->dev, "Cannot find pinctrl
> > > eint!\n");
> > 
> > In debug mode of pin control this will bring a duplicate message.
> 
> Can you explain more about this comment?
> I don't understand what the 'duplicate message' refers for.

Have you chance to read the implementation of pinctrl_lookup_state()?

-- 
With Best Regards,
Andy Shevchenko