[PATCH v3 03/12] usb: ehci-hcd: notify phy when connect change
Alexander Shishkin
alexander.shishkin at linux.intel.com
Tue Jun 5 10:00:59 EDT 2012
Richard Zhao <richard.zhao at freescale.com> writes:
> It still has below limitations:
> - it does not work for multi-phy ehci
> - the best place is after debounce, but I can't get
> phy there
>
> Signed-off-by: Richard Zhao <richard.zhao at freescale.com>
Alan, are you ok with this?
> ---
> drivers/usb/host/ehci-hcd.c | 14 ++++++++++++++
> 1 files changed, 14 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
> index b100f5f..8c39a7a 100644
> --- a/drivers/usb/host/ehci-hcd.c
> +++ b/drivers/usb/host/ehci-hcd.c
> @@ -928,6 +928,20 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd)
> pstatus = ehci_readl(ehci,
> &ehci->regs->port_status[i]);
>
> + /* FIXME:
> + * - it does not work for multi-phy ehci
> + * - the best place is after debounce, but I can't get
> + * phy there
> + */
> + if ((pstatus & PORT_CSC) && ehci->transceiver) {
> + if (pstatus & PORT_CONNECT)
> + usb_phy_notify_connect(
> + ehci->transceiver, i);
> + else
> + usb_phy_notify_disconnect(
> + ehci->transceiver, i);
> + }
> +
> if (pstatus & PORT_OWNER)
> continue;
> if (!(test_bit(i, &ehci->suspended_ports) &&
> --
> 1.7.5.4
Regards,
--
Alex
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