netdev - Re: [PATCH V5 18/19] net: ks8851: Implement Parallel bus operations

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Date:   Thu, 14 May 2020 16:22:47 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Marek Vasut <marex@...x.de>
Cc:     netdev@...r.kernel.org, "David S . Miller" <davem@...emloft.net>,
        Lukas Wunner <lukas@...ner.de>, Petr Stetiar <ynezz@...e.cz>,
        YueHaibing <yuehaibing@...wei.com>
Subject: Re: [PATCH V5 18/19] net: ks8851: Implement Parallel bus operations

On Thu, May 14, 2020 at 04:14:13PM +0200, Marek Vasut wrote:
> On 5/14/20 4:07 PM, Andrew Lunn wrote:
> >> All right
> >>
> >> btw is jiffies-based timeout OK? Like this:
> > 
> > If you can, make use of include/linux/iopoll.h
> 
> I can't, because I need those weird custom accessors, see
> ks8851_wrreg16_par(), unless I'm missing something there?

static int ks8851_rdreg16_par_txqcr(struct foo ks) {
       return ks8851_rdreg16_par(ks, KS_TXQCR)
}

int txqcr;

err = readx_poll_timeout(ks8851_rdreg16_par_txqcr, txqcr,
                         txqcr & TXQCR_METFE, 10, 10, ks)

	 Andrew