linux-kernel - Re: [PATCH] mfd:rtsx: Support RTS5249

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: <20130325060038.GD9138@mwanda>
Date:	Mon, 25 Mar 2013 09:00:38 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	wei_wang@...lsil.com.cn
Cc:	cjb@...top.org, sameo@...ux.intel.com, gregkh@...uxfoundation.org,
	linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
	rogerable@...ltek.com, devel@...uxdriverproject.org
Subject: Re: [PATCH] mfd:rtsx: Support RTS5249

On Mon, Mar 25, 2013 at 10:13:56AM +0800, wei_wang@...lsil.com.cn wrote:
> +static int rts5249_optimize_phy(struct rtsx_pcr *pcr)
> +{
> +	int err;
> +
> +	err = rtsx_pci_write_phy_register(pcr, 0x19, 0xFE46);
> +	if (err < 0)
> +		return err;
> +
> +	mdelay(1);

Why do we have the mdelay() and the later msleep(5)?
rtsx_pci_write_phy_register() busy loops until the write succeeds or
it returns -ETIMEOUT.  The extra wait here seems unnecessary.

regards,
dan carpenter


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/