From bd47189602f8dce21297669424b0033c7d03bce7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Wed, 24 Mar 2021 14:02:56 +0100 Subject: kernel: backport ehci overcurrent patches MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit These patches have been accepted for v5.13. Signed-off-by: Álvaro Fernández Rojas --- .../pending-5.4/110-ehci_hcd_ignore_oc.patch | 79 ---------------------- 1 file changed, 79 deletions(-) delete mode 100644 target/linux/generic/pending-5.4/110-ehci_hcd_ignore_oc.patch (limited to 'target/linux/generic/pending-5.4') diff --git a/target/linux/generic/pending-5.4/110-ehci_hcd_ignore_oc.patch b/target/linux/generic/pending-5.4/110-ehci_hcd_ignore_oc.patch deleted file mode 100644 index ce583ceac5..0000000000 --- a/target/linux/generic/pending-5.4/110-ehci_hcd_ignore_oc.patch +++ /dev/null @@ -1,79 +0,0 @@ -From: Florian Fainelli -Subject: USB: EHCI: add ignore_oc flag to disable overcurrent checking - -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 ---- - drivers/usb/host/ehci-hcd.c | 2 +- - drivers/usb/host/ehci-hub.c | 4 ++-- - drivers/usb/host/ehci-platform.c | 1 + - drivers/usb/host/ehci.h | 1 + - include/linux/usb/ehci_pdriver.h | 1 + - 5 files changed, 6 insertions(+), 3 deletions(-) - ---- a/drivers/usb/host/ehci-hcd.c -+++ b/drivers/usb/host/ehci-hcd.c -@@ -651,7 +651,7 @@ 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->ignore_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->ignore_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->ignore_oc)){ - status |= USB_PORT_STAT_C_OVERCURRENT << 16; - - /* ---- a/drivers/usb/host/ehci-platform.c -+++ b/drivers/usb/host/ehci-platform.c -@@ -319,6 +319,8 @@ static int ehci_platform_probe(struct pl - hcd->has_tt = 1; - if (pdata->reset_on_resume) - priv->reset_on_resume = true; -+ if (pdata->ignore_oc) -+ ehci->ignore_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 -@@ -218,6 +218,7 @@ struct ehci_hcd { /* one per controlle - unsigned frame_index_bug:1; /* MosChip (AKA NetMos) */ - unsigned need_oc_pp_cycle:1; /* MPC834X port power */ - unsigned imx28_write_fix:1; /* For Freescale i.MX28 */ -+ unsigned ignore_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 ignore_oc:1; - - /* Turn on all power and clocks */ - int (*power_on)(struct platform_device *pdev); -- cgit v1.2.3