linux-kernel - Re: [PATCH RESEND] i2c: add sc18is600 driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20170618151853.GA4927@katana>
Date:   Sun, 18 Jun 2017 17:18:53 +0200
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Sebastian Reichel <sre@...nel.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, linux-i2c@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND] i2c: add sc18is600 driver


> +	switch (dev->state) {
> +	case SC18IS600_STAT_OK:
> +		break;
> +	case SC18IS600_STAT_NAK_ADDR:
> +		return -EIO;
> +	case SC18IS600_STAT_NAK_DATA:
> +		return -EREMOTEIO;
> +	case SC18IS600_STAT_SIZE:
> +		return -EINVAL;
> +	case SC18IS600_STAT_TIMEOUT:
> +		return -ETIMEDOUT;
> +	case SC18IS600_STAT_TIMEOUT2:
> +		return -ETIMEDOUT;
> +	case SC18IS600_STAT_BLOCKED:
> +		return -ETIMEDOUT;
> +	default:
> +	case SC18IS600_STAT_BUSY:
> +		dev_err(&dev->spi->dev, "device hangup detected, reset!");
> +		sc18is600_reset(dev);
> +		return -EAGAIN;
> +	}

Please have a look at Documentation/i2c/fault-codes. Most look good, but
the NAK cases probably need fixing.


Download attachment "signature.asc" of type "application/pgp-signature" (834 bytes)