On Wed, Aug 07, 2013 at 01:34:37PM +0800, Peter Chen wrote:
> -
> - reg = usbmisc->base + MX25_USB_PHY_CTRL_OFFSET;
> -
> - if (usbdev->evdo) {
> - spin_lock_irqsave(&usbmisc->lock, flags);
> - val = readl(reg);
> - writel(val | MX25_BM_EXTERNAL_VBUS_DIVIDER, reg);
> - spin_unlock_irqrestore(&usbmisc->lock, flags);
> + if (data->evdo) {
> + spin_lock_irqsave(&data->lock, flags);
> + regmap_read(data->non_core_base_addr,
> + MX25_USB_PHY_CTRL_OFFSET, &val);
> + regmap_write(data->non_core_base_addr,
> + MX25_USB_PHY_CTRL_OFFSET,
> + val | MX25_BM_EXTERNAL_VBUS_DIVIDER);
> + spin_unlock_irqrestore(&data->lock, flags);
Have a look at regmap_update_bits. You won't need this spinlock anymore.
Sascha
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