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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-07-09 20:32:28 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2019-07-14 12:44:14 +0200 |
commit | 42954857190b9df16d9d873ecc7f6cc38e013e44 (patch) | |
tree | 98c588f629ff534d458eb0884782ea99672d7634 /target/linux/brcm2708/patches-4.19/950-0307-dwc_otg-fix-bug-with-port_addr-assignment-for-single.patch | |
parent | f1875e902d0afb7d9b9e5285b4fd8da7f6c5e30a (diff) | |
download | upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.tar.gz upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.tar.bz2 upstream-42954857190b9df16d9d873ecc7f6cc38e013e44.zip |
brcm2708: add linux 4.19 support
Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709)
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0307-dwc_otg-fix-bug-with-port_addr-assignment-for-single.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0307-dwc_otg-fix-bug-with-port_addr-assignment-for-single.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0307-dwc_otg-fix-bug-with-port_addr-assignment-for-single.patch b/target/linux/brcm2708/patches-4.19/950-0307-dwc_otg-fix-bug-with-port_addr-assignment-for-single.patch new file mode 100644 index 0000000000..a52aafd634 --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0307-dwc_otg-fix-bug-with-port_addr-assignment-for-single.patch @@ -0,0 +1,28 @@ +From 0efd687c78d47645956af472eac1b8d8f3a973d5 Mon Sep 17 00:00:00 2001 +From: P33M <p33m@github.com> +Date: Wed, 16 Jan 2019 10:17:52 +0000 +Subject: [PATCH 307/703] dwc_otg: fix bug with port_addr assignment for + single-TT hubs + +See https://github.com/raspberrypi/linux/issues/2734 + +The "Hub Port" field in the split transaction packet was always set +to 1 for single-TT hubs. The majority of single-TT hub products +apparently ignore this field and broadcast to all downstream enabled +ports, which masked the issue. A subset of hub devices apparently +need the port number to be exact or split transactions will fail. +--- + drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c ++++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c +@@ -232,7 +232,7 @@ static int _hub_info(dwc_otg_hcd_t * hcd + else + *hub_addr = urb->dev->tt->hub->devnum; + } +- *port_addr = urb->dev->tt->multi ? urb->dev->ttport : 1; ++ *port_addr = urb->dev->ttport; + } else { + *hub_addr = 0; + *port_addr = urb->dev->ttport; |