From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hayes Wang Subject: [PATCH net-next 1/2] r8152: split rtl8152_resume function Date: Mon, 12 Jun 2017 16:21:24 +0800 Message-ID: <1394712342-15778-273-Taiwan-albertk@realtek.com> References: <1394712342-15778-272-Taiwan-albertk@realtek.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , , Hayes Wang To: Return-path: In-Reply-To: <1394712342-15778-272-Taiwan-albertk-Rasf1IRRPZFBDgjK7y7TUQ@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org Split rtl8152_resume() into rtl8152_runtime_resume() and rtl8152_system_resume(). Signed-off-by: Hayes Wang --- drivers/net/usb/r8152.c | 99 ++++++++++++++++++++++++++++++------------------- 1 file changed, 61 insertions(+), 38 deletions(-) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 5a02053..3257955 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -3686,6 +3686,61 @@ static bool delay_autosuspend(struct r8152 *tp) return false; } +static int rtl8152_runtime_resume(struct r8152 *tp) +{ + struct net_device *netdev = tp->netdev; + + if (netif_running(netdev) && netdev->flags & IFF_UP) { + struct napi_struct *napi = &tp->napi; + + tp->rtl_ops.autosuspend_en(tp, false); + napi_disable(napi); + set_bit(WORK_ENABLE, &tp->flags); + + if (netif_carrier_ok(netdev)) { + if (rtl8152_get_speed(tp) & LINK_STATUS) { + rtl_start_rx(tp); + } else { + netif_carrier_off(netdev); + tp->rtl_ops.disable(tp); + netif_info(tp, link, netdev, "linking down\n"); + } + } + + napi_enable(napi); + clear_bit(SELECTIVE_SUSPEND, &tp->flags); + smp_mb__after_atomic(); + + if (!list_empty(&tp->rx_done)) + napi_schedule(&tp->napi); + + usb_submit_urb(tp->intr_urb, GFP_KERNEL); + } else { + if (netdev->flags & IFF_UP) + tp->rtl_ops.autosuspend_en(tp, false); + + clear_bit(SELECTIVE_SUSPEND, &tp->flags); + } + + return 0; +} + +static int rtl8152_system_resume(struct r8152 *tp) +{ + struct net_device *netdev = tp->netdev; + + netif_device_attach(netdev); + + if (netif_running(netdev) && netdev->flags & IFF_UP) { + tp->rtl_ops.up(tp); + netif_carrier_off(netdev); + set_bit(WORK_ENABLE, &tp->flags); + usb_submit_urb(tp->intr_urb, GFP_KERNEL); + } + + return 0; +} + static int rtl8152_runtime_suspend(struct r8152 *tp) { struct net_device *netdev = tp->netdev; @@ -3784,50 +3839,18 @@ static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message) static int rtl8152_resume(struct usb_interface *intf) { struct r8152 *tp = usb_get_intfdata(intf); - struct net_device *netdev = tp->netdev; + int ret; mutex_lock(&tp->control); - if (!test_bit(SELECTIVE_SUSPEND, &tp->flags)) - netif_device_attach(netdev); - - if (netif_running(netdev) && netdev->flags & IFF_UP) { - if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { - struct napi_struct *napi = &tp->napi; - - tp->rtl_ops.autosuspend_en(tp, false); - napi_disable(napi); - set_bit(WORK_ENABLE, &tp->flags); - if (netif_carrier_ok(netdev)) { - if (rtl8152_get_speed(tp) & LINK_STATUS) { - rtl_start_rx(tp); - } else { - netif_carrier_off(netdev); - tp->rtl_ops.disable(tp); - netif_info(tp, link, netdev, - "linking down\n"); - } - } - napi_enable(napi); - clear_bit(SELECTIVE_SUSPEND, &tp->flags); - smp_mb__after_atomic(); - if (!list_empty(&tp->rx_done)) - napi_schedule(&tp->napi); - } else { - tp->rtl_ops.up(tp); - netif_carrier_off(netdev); - set_bit(WORK_ENABLE, &tp->flags); - } - usb_submit_urb(tp->intr_urb, GFP_KERNEL); - } else if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { - if (netdev->flags & IFF_UP) - tp->rtl_ops.autosuspend_en(tp, false); - clear_bit(SELECTIVE_SUSPEND, &tp->flags); - } + if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) + ret = rtl8152_runtime_resume(tp); + else + ret = rtl8152_system_resume(tp); mutex_unlock(&tp->control); - return 0; + return ret; } static int rtl8152_reset_resume(struct usb_interface *intf) -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html