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| author | John Crispin <blogic@openwrt.org> | 2016-04-21 19:47:02 +0000 |
|---|---|---|
| committer | John Crispin <blogic@openwrt.org> | 2016-04-21 19:47:02 +0000 |
| commit | 317280c283129a65d0e8d08907e9d9cf83a96b22 (patch) | |
| tree | 9bc1c7bb6ea805c78b224df00f38fc5ac036eabf | |
| parent | 3462032337eb98e8bd6d84bacd85a90669255d9e (diff) | |
| download | master-187ad058-317280c283129a65d0e8d08907e9d9cf83a96b22.tar.gz master-187ad058-317280c283129a65d0e8d08907e9d9cf83a96b22.tar.bz2 master-187ad058-317280c283129a65d0e8d08907e9d9cf83a96b22.zip | |
ramips: awake rt305x USB controller
Because of Ralink uboot set USB controller into sleep mode [1]
we check it and awake controller before any registers access.
Fix ticket #21396 [2]
[1] http://marc.info/?l=linux-usb&m=137398626102108&w=2
[2] https://dev.openwrt.org/ticket/21396
Signed-Off-By: Serge Vasilugin <vasilugin@yandex.ru>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@49212 3c298f89-4303-0410-b956-a3cf2f4a3e73
| -rw-r--r-- | target/linux/ramips/patches-4.4/0069-awake-rt305x-dwc2-controller.patch | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-4.4/0069-awake-rt305x-dwc2-controller.patch b/target/linux/ramips/patches-4.4/0069-awake-rt305x-dwc2-controller.patch new file mode 100644 index 0000000000..9608f6f331 --- /dev/null +++ b/target/linux/ramips/patches-4.4/0069-awake-rt305x-dwc2-controller.patch @@ -0,0 +1,15 @@ +--- a/drivers/usb/dwc2/platform.c ++++ b/drivers/usb/dwc2/platform.c +@@ -375,6 +375,12 @@ static int dwc2_driver_probe(struct plat + dev_dbg(&dev->dev, "mapped PA %08lx to VA %p\n", + (unsigned long)res->start, hsotg->regs); + ++ /* Enable USB port before any regs access */ ++ if(dwc2_readl(hsotg->regs + PCGCTL) & 0x0f) { ++ dwc2_writel(0x00, hsotg->regs + PCGCTL); ++ /* TODO: mdelay(25) here? vendor driver don't use it */ ++ } ++ + hsotg->dr_mode = usb_get_dr_mode(&dev->dev); + if (IS_ENABLED(CONFIG_USB_DWC2_HOST) && + hsotg->dr_mode != USB_DR_MODE_HOST) { |