diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-4.4/206-USB-EHCI-allow-limiting-ports-for-ehci-platform.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-4.4/206-USB-EHCI-allow-limiting-ports-for-ehci-platform.patch | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/target/linux/brcm63xx/patches-4.4/206-USB-EHCI-allow-limiting-ports-for-ehci-platform.patch b/target/linux/brcm63xx/patches-4.4/206-USB-EHCI-allow-limiting-ports-for-ehci-platform.patch deleted file mode 100644 index f2490cb62e..0000000000 --- a/target/linux/brcm63xx/patches-4.4/206-USB-EHCI-allow-limiting-ports-for-ehci-platform.patch +++ /dev/null @@ -1,66 +0,0 @@ -From 6ac09efa8f0e189ffe7dd7b0889289de56ee44cc Mon Sep 17 00:00:00 2001 -From: Jonas Gorski <jogo@openwrt.org> -Date: Sun, 19 Jan 2014 12:18:03 +0100 -Subject: [PATCH] USB: EHCI: allow limiting ports for ehci-platform - -In the same way as the ohci platform driver allows limiting ports, -enable the same for ehci. This prevents a mismatch in the available -ports between ehci/ohci on USB 2.0 controllers. - -This is needed if the USB host controller always reports the maximum -number of ports regardless of the number of available ports (because -one might be set to be usb device). - -Signed-off-by: Jonas Gorski <jogo@openwrt.org> ---- - drivers/usb/host/ehci-hcd.c | 4 ++++ - drivers/usb/host/ehci-platform.c | 2 ++ - drivers/usb/host/ehci.h | 1 + - include/linux/usb/ehci_pdriver.h | 1 + - 4 files changed, 8 insertions(+) - ---- a/drivers/usb/host/ehci-hcd.c -+++ b/drivers/usb/host/ehci-hcd.c -@@ -666,6 +666,10 @@ int ehci_setup(struct usb_hcd *hcd) - - /* cache this readonly data; minimize chip reads */ - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); -+ if (ehci->num_ports) { -+ ehci->hcs_params &= ~0xf; /* bits 3:0, ports on HC */ -+ ehci->hcs_params |= ehci->num_ports; -+ } - - ehci->sbrn = HCD_USB2; - ---- a/drivers/usb/host/ehci-platform.c -+++ b/drivers/usb/host/ehci-platform.c -@@ -60,6 +60,9 @@ static int ehci_platform_reset(struct us - - ehci->has_synopsys_hc_bug = pdata->has_synopsys_hc_bug; - -+ if (pdata->num_ports && pdata->num_ports <= 15) -+ ehci->num_ports = pdata->num_ports; -+ - if (pdata->pre_setup) { - retval = pdata->pre_setup(hcd); - if (retval < 0) ---- a/drivers/usb/host/ehci.h -+++ b/drivers/usb/host/ehci.h -@@ -213,6 +213,7 @@ struct ehci_hcd { /* one per controlle - u32 command; - - /* SILICON QUIRKS */ -+ unsigned int num_ports; - unsigned no_selective_suspend:1; - unsigned has_fsl_port_bug:1; /* FreeScale */ - unsigned has_fsl_hs_errata:1; /* Freescale HS quirk */ ---- a/include/linux/usb/ehci_pdriver.h -+++ b/include/linux/usb/ehci_pdriver.h -@@ -42,6 +42,7 @@ struct usb_hcd; - */ - struct usb_ehci_pdata { - int caps_offset; -+ unsigned int num_ports; - unsigned has_tt:1; - unsigned has_synopsys_hc_bug:1; - unsigned big_endian_desc:1; |