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References: <1564631710-30276-1-git-send-email-masonccyang@mxic.com.tw> <1564631710-30276-2-git-send-email-masonccyang@mxic.com.tw> <20190801082233.759f6ae9@collabora.com>
To:     "Boris Brezillon" <boris.brezillon@collabora.com>
Cc:     anders.roxell@linaro.org, bbrezillon@kernel.org,
        christophe.kerello@st.com, computersforpeace@gmail.com,
        devicetree@vger.kernel.org, dwmw2@infradead.org,
        juliensu@mxic.com.tw, lee.jones@linaro.org, liang.yang@amlogic.com,
        linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org,
        marek.vasut@gmail.com, mark.rutland@arm.com,
        miquel.raynal@bootlin.com, paul@crapouillou.net,
        paul.burton@mips.com, richard@nod.at, robh+dt@kernel.org,
        stefan@agner.ch, vigneshr@ti.com
Subject: Re: [PATCH v6 1/2] mtd: rawnand: Add Macronix raw NAND controller driver
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Message-ID: <OFE8EA3122.5F3A0829-ON48258458.00375F0F-48258458.0037EBA6@mxic.com.tw>
From:   masonccyang@mxic.com.tw
Date:   Fri, 16 Aug 2019 18:10:47 +0800
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Hi Boris, 

> > +
> > +static int  mxic_nfc_wait_ready(struct nand_chip *chip)
> > +{
> > +   struct mxic_nand_ctlr *nfc = nand_get_controller_data(chip);
> > +   u32 sts;
> > +
> > +   return readl_poll_timeout(nfc->regs + INT_STS, sts,
> > +              sts & INT_RDY_PIN, 0, USEC_PER_SEC);
> 
> You're not using interrupts at all? For things like R/B wait it's
> usually a good thing to rely on interrupts instead of status-polling.
> 

Have updated it and I will patch using interrupts instead of polling.

thanks for your comments.

best regards,
Mason


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