Dear Krzysztof,
Thank you for your reply.
On 2024/8/1 下午 10:43, Krzysztof Kozlowski wrote:
On 01/08/2024 07:37, Hui-Ping Chen wrote:
+ struct regmap *sysreg;
Look here - iomem? No.
Yes, this is my mistake.
+};
+
+static int ma35_usb_phy_power_on(struct phy *phy)
+{
+ struct ma35_usb_phy *p_phy = phy_get_drvdata(phy);
+ unsigned int val;
+ int ret;
+
+ ret = clk_prepare_enable(p_phy->clk);
+ if (ret < 0) {
+ dev_err(p_phy->dev, "Failed to enable PHY clock: %d\n", ret);
+ return ret;
+ }
+
+ regmap_read(p_phy->sysreg, MA35_SYS_REG_USBPMISCR, &val);
+ if (val & PHY0SUSPEND) {
+ /*
+ * USB PHY0 is in operation mode already
+ * make sure USB PHY 60 MHz UTMI Interface Clock ready
+ */
+ ret = readl_poll_timeout((void __iomem *)p_phy->sysreg + MA35_SYS_REG_USBPMISCR,
Eh, I responded to v2, not here, so repeating:
sysreg is a regmap, not io address. How could it possibly work and be
tested?!? This cannot work. Test your code *before* sending it.
Yes, this is my mistake. I won't reply to v2. I will reply here.
I would change 'readl_poll_timeout' to 'regmap_read_poll_timeout'.
And it has been tested OK on our platform.
Best regards,
Krzysztof
Best regards,
Hui-Ping Chen
