diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/820-usb-0018-MLK-18794-1-usb-host-xhci-add-.bus_suspend-override.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/820-usb-0018-MLK-18794-1-usb-host-xhci-add-.bus_suspend-override.patch | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/target/linux/layerscape/patches-5.4/820-usb-0018-MLK-18794-1-usb-host-xhci-add-.bus_suspend-override.patch b/target/linux/layerscape/patches-5.4/820-usb-0018-MLK-18794-1-usb-host-xhci-add-.bus_suspend-override.patch deleted file mode 100644 index 5947563516..0000000000 --- a/target/linux/layerscape/patches-5.4/820-usb-0018-MLK-18794-1-usb-host-xhci-add-.bus_suspend-override.patch +++ /dev/null @@ -1,45 +0,0 @@ -From b5c498026a95f9d80be23711dd6c178cc78d6c33 Mon Sep 17 00:00:00 2001 -From: Peter Chen <peter.chen@nxp.com> -Date: Wed, 15 Aug 2018 14:59:55 +0800 -Subject: [PATCH] MLK-18794-1 usb: host: xhci: add .bus_suspend override - -Some platforms (eg: Cadence USB3) have special requirements to add -platform USB register setting between xhci_bus_suspend and -platform USB controller suspend routine. Eg, The Cadence USB3 needs -RX detect clock switch from 24Mhz to 32Khz within 100ms after set -port to U3, but sometimes, for USB3 HUB connection, the USB2 -bus suspend will cost more than 100ms, and introduce the disconnection -before the PHY enters low power mode, then the state is in mess from -controller side. - -So in this commit, we introduce .bus_suspend for xhci_driver_overrides -for above use cases. - -Signed-off-by: Peter Chen <peter.chen@nxp.com> -(cherry picked from commit f6baa57913ceb40da14a945820cb87e8d6ceb7c7) ---- - drivers/usb/host/xhci.c | 2 ++ - drivers/usb/host/xhci.h | 1 + - 2 files changed, 3 insertions(+) - ---- a/drivers/usb/host/xhci.c -+++ b/drivers/usb/host/xhci.c -@@ -5414,6 +5414,8 @@ void xhci_init_driver(struct hc_driver * - drv->check_bandwidth = over->check_bandwidth; - if (over->reset_bandwidth) - drv->reset_bandwidth = over->reset_bandwidth; -+ if (over->bus_suspend) -+ drv->bus_suspend = over->bus_suspend; - } - } - EXPORT_SYMBOL_GPL(xhci_init_driver); ---- a/drivers/usb/host/xhci.h -+++ b/drivers/usb/host/xhci.h -@@ -1920,6 +1920,7 @@ struct xhci_driver_overrides { - int (*start)(struct usb_hcd *hcd); - int (*check_bandwidth)(struct usb_hcd *, struct usb_device *); - void (*reset_bandwidth)(struct usb_hcd *, struct usb_device *); -+ int (*bus_suspend)(struct usb_hcd *hcd); - }; - - #define XHCI_CFC_DELAY 10 |