diff options
Diffstat (limited to 'target/linux/generic/backport-5.4/850-v5.13-usb-ehci-add-spurious-flag-to-disable-overcurrent-ch.patch')
| -rw-r--r-- | target/linux/generic/backport-5.4/850-v5.13-usb-ehci-add-spurious-flag-to-disable-overcurrent-ch.patch | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/target/linux/generic/backport-5.4/850-v5.13-usb-ehci-add-spurious-flag-to-disable-overcurrent-ch.patch b/target/linux/generic/backport-5.4/850-v5.13-usb-ehci-add-spurious-flag-to-disable-overcurrent-ch.patch deleted file mode 100644 index 494c88a496..0000000000 --- a/target/linux/generic/backport-5.4/850-v5.13-usb-ehci-add-spurious-flag-to-disable-overcurrent-ch.patch +++ /dev/null @@ -1,88 +0,0 @@ -From 2d5ba37461013253d2ff0a3641b727fd32ea97a9 Mon Sep 17 00:00:00 2001 -From: Florian Fainelli <florian@openwrt.org> -Date: Tue, 23 Feb 2021 18:44:53 +0100 -Subject: [PATCH 1/3] usb: ehci: add spurious flag to disable overcurrent - checking -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -This patch adds an ignore_oc flag which can be set by EHCI controller -not supporting or wanting to disable overcurrent checking. The EHCI -platform data in include/linux/usb/ehci_pdriver.h is also augmented to -take advantage of this new flag. - -Signed-off-by: Florian Fainelli <florian@openwrt.org> -Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> -Link: https://lore.kernel.org/r/20210223174455.1378-2-noltari@gmail.com -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - drivers/usb/host/ehci-hcd.c | 2 +- - drivers/usb/host/ehci-hub.c | 4 ++-- - drivers/usb/host/ehci-platform.c | 2 ++ - drivers/usb/host/ehci.h | 1 + - include/linux/usb/ehci_pdriver.h | 1 + - 5 files changed, 7 insertions(+), 3 deletions(-) - ---- a/drivers/usb/host/ehci-hcd.c -+++ b/drivers/usb/host/ehci-hcd.c -@@ -660,7 +660,7 @@ static int ehci_run (struct usb_hcd *hcd - "USB %x.%x started, EHCI %x.%02x%s\n", - ((ehci->sbrn & 0xf0)>>4), (ehci->sbrn & 0x0f), - temp >> 8, temp & 0xff, -- ignore_oc ? ", overcurrent ignored" : ""); -+ (ignore_oc || ehci->spurious_oc) ? ", overcurrent ignored" : ""); - - ehci_writel(ehci, INTR_MASK, - &ehci->regs->intr_enable); /* Turn On Interrupts */ ---- a/drivers/usb/host/ehci-hub.c -+++ b/drivers/usb/host/ehci-hub.c -@@ -643,7 +643,7 @@ ehci_hub_status_data (struct usb_hcd *hc - * always set, seem to clear PORT_OCC and PORT_CSC when writing to - * PORT_POWER; that's surprising, but maybe within-spec. - */ -- if (!ignore_oc) -+ if (!ignore_oc && !ehci->spurious_oc) - mask = PORT_CSC | PORT_PEC | PORT_OCC; - else - mask = PORT_CSC | PORT_PEC; -@@ -1013,7 +1013,7 @@ int ehci_hub_control( - if (temp & PORT_PEC) - status |= USB_PORT_STAT_C_ENABLE << 16; - -- if ((temp & PORT_OCC) && !ignore_oc){ -+ if ((temp & PORT_OCC) && (!ignore_oc && !ehci->spurious_oc)){ - status |= USB_PORT_STAT_C_OVERCURRENT << 16; - - /* ---- a/drivers/usb/host/ehci-platform.c -+++ b/drivers/usb/host/ehci-platform.c -@@ -325,6 +325,8 @@ static int ehci_platform_probe(struct pl - hcd->has_tt = 1; - if (pdata->reset_on_resume) - priv->reset_on_resume = true; -+ if (pdata->spurious_oc) -+ ehci->spurious_oc = 1; - - #ifndef CONFIG_USB_EHCI_BIG_ENDIAN_MMIO - if (ehci->big_endian_mmio) { ---- a/drivers/usb/host/ehci.h -+++ b/drivers/usb/host/ehci.h -@@ -219,6 +219,7 @@ struct ehci_hcd { /* one per controlle - unsigned need_oc_pp_cycle:1; /* MPC834X port power */ - unsigned imx28_write_fix:1; /* For Freescale i.MX28 */ - unsigned is_aspeed:1; -+ unsigned spurious_oc:1; - - /* required for usb32 quirk */ - #define OHCI_CTRL_HCFS (3 << 6) ---- a/include/linux/usb/ehci_pdriver.h -+++ b/include/linux/usb/ehci_pdriver.h -@@ -50,6 +50,7 @@ struct usb_ehci_pdata { - unsigned no_io_watchdog:1; - unsigned reset_on_resume:1; - unsigned dma_mask_64:1; -+ unsigned spurious_oc:1; - - /* Turn on all power and clocks */ - int (*power_on)(struct platform_device *pdev); |