linux-kernel - Re: [PATCH RESEND 2/5] pinctrl: berlin: add a pinctrl driver for Marvell Berlin SoCs

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: <20140411144431.04fb148d@xhacker>
Date:	Fri, 11 Apr 2014 14:44:31 +0800
From:	Jisheng Zhang <jszhang@...vell.com>
To:	Antoine Ténart 
	<antoine.tenart@...e-electrons.com>,
	"sebastian.hesselbarth@...il.com" <sebastian.hesselbarth@...il.com>,
	"linus.walleij@...aro.org" <linus.walleij@...aro.org>
CC:	"alexandre.belloni@...e-electrons.com" 
	<alexandre.belloni@...e-electrons.com>,
	Jimmy Xu <zmxu@...vell.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RESEND 2/5] pinctrl: berlin: add a pinctrl driver for
 Marvell Berlin SoCs

Hi Antoine,

On Thu, 10 Apr 2014 06:07:51 -0700
Antoine Ténart <antoine.tenart@...e-electrons.com> wrote:

...
> +static int berlin_pinmux_enable(struct pinctrl_dev *pctrl_dev,
> +                               unsigned function,
> +                               unsigned group)
> +{
> +       struct berlin_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctrl_dev);
> +       struct berlin_pinctrl_group *group_desc = pctrl->groups + group;
> +       struct berlin_pinctrl_function *function_desc =
> +               pctrl->functions + function;
> +       unsigned long flags;
> +       u32 regval;
> +
> +       spin_lock_irqsave(&pctrl->lock, flags);
> +
> +       regval = readl(group_desc->reg);
> +       regval &= group_desc->mask;
> +       regval |= function_desc->muxval << group_desc->lsb;
> +       writel(regval, group_desc->reg);

Could we use relaxed version instead?

Thanks,
Jisheng
--
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/