Hello,
(2014/05/19 21:14), Sergei Shtylyov wrote:
> Hello.
>
> On 19-05-2014 14:08, Yoshihiro Shimoda wrote:
< snip >
>> static int xhci_plat_start(struct usb_hcd *hcd)
>> {
>> + struct device_node *of_node = hcd->self.controller->of_node;
>> +
>> + if (of_device_is_compatible(of_node, "renesas,r8a7790-xhci") ||
>> + of_device_is_compatible(of_node, "renesas,r8a7790-xhci"))
>
> Perhaps "renesas,r8a7791-xhci"?
Yes. I will correct this.
< snip >
>> +/* FW Download Control & Status */
>> +#define RCAR_USB3_DL_CTRL 0x250
>
> Already #define'd.
Thank you for the point! I will remove this.
>> +/* USB3.0 Configuraion */
>
> Configuration.
I will correct this.
>> +int xhci_rcar_start(struct usb_hcd *hcd)
>> +{
>> + if (hcd->regs != NULL) {
>> + u32 temp;
>
> Need empty line here... and should perhaps return error if hcd->regs NULL?
I will add empty line.
If this function returns error and xhci_plat_start() also returns error,
the xhci driver was not able to work.
So, I will change the prototype of this function to "void".
Best regards,
Yoshihiro Shimoda
>> + /* Interrupt Enable */
>> + temp = readl(hcd->regs + RCAR_USB3_INT_ENA);
>> + temp |= RCAR_USB3_INT_ENA_VAL;
>> + writel(temp, hcd->regs + RCAR_USB3_INT_ENA);
>> + /* LCLK Select */
>> + writel(RCAR_USB3_LCLK_ENA_VAL, hcd->regs + RCAR_USB3_LCLK);
>> + /* USB3.0 Configuration */
>> + writel(RCAR_USB3_CONF1_VAL, hcd->regs + RCAR_USB3_CONF1);
>> + writel(RCAR_USB3_CONF2_VAL, hcd->regs + RCAR_USB3_CONF2);
>> + writel(RCAR_USB3_CONF3_VAL, hcd->regs + RCAR_USB3_CONF3);
>> + /* USB3.0 Polariy */
>> + writel(RCAR_USB3_RX_POL_VAL, hcd->regs + RCAR_USB3_RX_POL);
>> + writel(RCAR_USB3_TX_POL_VAL, hcd->regs + RCAR_USB3_TX_POL);
>> + }
>> +
>> + return 0;
>> +}
> [...]
>
> WBR, Sergei
>
--
Yoshihiro Shimoda
EC No.
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