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authorFelix Fietkau <nbd@nbd.name>2022-03-27 21:26:31 +0200
committerFelix Fietkau <nbd@nbd.name>2022-03-27 21:36:40 +0200
commita3764ee29dd09394fa750c78160e300d86532561 (patch)
tree5698d325acdbd921f7fa4203149adf3b5fb87f39 /target/linux/ramips/patches-5.15/850-awake-rt305x-dwc2-controller.patch
parentac11f36b337da29f422d16776cf36c98013dcc77 (diff)
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ramips: add linux 5.15 support for mt7621
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'target/linux/ramips/patches-5.15/850-awake-rt305x-dwc2-controller.patch')
-rw-r--r--target/linux/ramips/patches-5.15/850-awake-rt305x-dwc2-controller.patch15
1 files changed, 15 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-5.15/850-awake-rt305x-dwc2-controller.patch b/target/linux/ramips/patches-5.15/850-awake-rt305x-dwc2-controller.patch
new file mode 100644
index 0000000000..28f72a23ea
--- /dev/null
+++ b/target/linux/ramips/patches-5.15/850-awake-rt305x-dwc2-controller.patch
@@ -0,0 +1,15 @@
+--- a/drivers/usb/dwc2/platform.c
++++ b/drivers/usb/dwc2/platform.c
+@@ -510,6 +510,12 @@ static int dwc2_driver_probe(struct plat
+ if (retval)
+ return retval;
+
++ /* Enable USB port before any regs access */
++ if (readl(hsotg->regs + PCGCTL) & 0x0f) {
++ writel(0x00, hsotg->regs + PCGCTL);
++ /* TODO: mdelay(25) here? vendor driver don't use it */
++ }
++
+ hsotg->needs_byte_swap = dwc2_check_core_endianness(hsotg);
+
+ retval = dwc2_get_dr_mode(hsotg);