On 17/06/14 15:07, Thierry Reding wrote:
+static int tegra_xusb_padctl_pinconf_group_get(struct pinctrl_dev *pinctrl,
+ unsigned int group,
+ unsigned long *config)
+{
+ struct tegra_xusb_padctl *padctl = pinctrl_dev_get_drvdata(pinctrl);
+ const struct tegra_xusb_padctl_lane *lane;
+ enum tegra_xusb_padctl_param param;
+ u32 value;
+
+ param = TEGRA_XUSB_PADCTL_UNPACK_PARAM(*config);
+ lane = &padctl->soc->lanes[group];
+
+ switch (param) {
+ case TEGRA_XUSB_PADCTL_IDDQ:
+ value = padctl_readl(padctl, lane->offset);
+ value = (value >> lane->iddq) & 0x1;
+ *config = TEGRA_XUSB_PADCTL_PACK(param, value);
+ break;
+
+ default:
+ dev_err(padctl->dev, "invalid configuration parameter: %04x\n",
+ param);
+ return -ENOTSUPP;
+ }
+
+ return 0;
+}
I guess `value' should also be negated here?
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