From mboxrd@z Thu Jan 1 00:00:00 1970 From: richard.zhao@freescale.com (Richard Zhao) Date: Mon, 21 May 2012 17:23:48 +0800 Subject: [PATCH v2 03/12] usb: ehci-hcd: notify phy when connect change In-Reply-To: <1337592237-5090-1-git-send-email-richard.zhao@freescale.com> References: <1337592237-5090-1-git-send-email-richard.zhao@freescale.com> Message-ID: <1337592237-5090-4-git-send-email-richard.zhao@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- drivers/usb/host/ehci-hcd.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 5597e60..389252e 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -928,6 +928,15 @@ 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) + usb_phy_notify_connect_change(ehci->transceiver, + i, pstatus & PORT_CONNECT); + if (pstatus & PORT_OWNER) continue; if (!(test_bit(i, &ehci->suspended_ports) && -- 1.7.5.4