[PATCH v2 2/3] musb: sunxi: Remove custom babble handling
Bin Liu
b-liu at ti.com
Thu Sep 22 06:54:15 PDT 2016
Hi,
On Thu, Sep 22, 2016 at 02:19:00PM +0300, Hans de Goede wrote:
> The musb-core now a days always treats babble errors in host mode
I don't think this statement is accurate. You might want to change it to
"The musb core already handles babble interrupt" or something else.
Regards,
-Bin.
> as disconnects, so there is no need for the sunxi specific handling
> of this anymore.
>
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>
> ---
> Changes in v2:
> -This is a new patch in v2 of this patch series
> ---
> drivers/usb/musb/sunxi.c | 10 ----------
> 1 file changed, 10 deletions(-)
>
> diff --git a/drivers/usb/musb/sunxi.c b/drivers/usb/musb/sunxi.c
> index 1408245..82eba92 100644
> --- a/drivers/usb/musb/sunxi.c
> +++ b/drivers/usb/musb/sunxi.c
> @@ -186,16 +186,6 @@ static irqreturn_t sunxi_musb_interrupt(int irq, void *__hci)
> if (musb->int_usb)
> writeb(musb->int_usb, musb->mregs + SUNXI_MUSB_INTRUSB);
>
> - /*
> - * sunxi musb often signals babble on low / full speed device
> - * disconnect, without ever raising MUSB_INTR_DISCONNECT, since
> - * normally babble never happens treat it as disconnect.
> - */
> - if ((musb->int_usb & MUSB_INTR_BABBLE) && is_host_active(musb)) {
> - musb->int_usb &= ~MUSB_INTR_BABBLE;
> - musb->int_usb |= MUSB_INTR_DISCONNECT;
> - }
> -
> if ((musb->int_usb & MUSB_INTR_RESET) && !is_host_active(musb)) {
> /* ep0 FADDR must be 0 when (re)entering peripheral mode */
> musb_ep_select(musb->mregs, 0);
> --
> 2.9.3
>
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