Hi Antoine,
On Thu, 10 Apr 2014 06:07:51 -0700
Antoine Ténart <antoine.tenart@xxxxxxxxxxxxxxxxxx> 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
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