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215c1d05b8
Bump the 17.01 tree kernel to 4.4.69. Trunk 4.4 and 17.01 4.4 have diverged, talked this through with jow, he was okay with a clean diff against 17.01 and not a backported trunk patch. The following patches were applied upstream: * 062-[1-6]-MIPS-* series * 042-0004-mtd-bcm47xxpart-fix-parsing-first-block Reintroduced lantiq/patches-4.4/0050-MIPS-Lantiq-Fix-cascaded-IRQ-setup, as it was incorrectly included upstream thus dropped from LEDE, but subsequently reverted upstream. Thanks to Kevin Darbyshire-Bryant for pointing me to it. Compile-tested on: ar71xx, ramips/mt7621, x86/64. Run-tested on: ar71xx, ramips/mt7621, x86/64. Signed-off-by: Stijn Segers <francesco.borromini@inventati.org>
69 lines
2.0 KiB
Diff
69 lines
2.0 KiB
Diff
From 77966eb85e6d988a6daaf8ac14ac33026ceb3ab7 Mon Sep 17 00:00:00 2001
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From: John Youn <John.Youn@synopsys.com>
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Date: Fri, 19 Feb 2016 17:31:01 -0800
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Subject: usb: dwc3: Validate the maximum_speed parameter
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Check that dwc->maximum_speed is set to a valid value. Also add an error
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when we use it later if we encounter an invalid value.
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Signed-off-by: John Youn <johnyoun@synopsys.com>
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Signed-off-by: Felipe Balbi <balbi@kernel.org>
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---
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drivers/usb/dwc3/core.c | 18 ++++++++++++++++--
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drivers/usb/dwc3/gadget.c | 9 ++++++---
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2 files changed, 22 insertions(+), 5 deletions(-)
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--- a/drivers/usb/dwc3/core.c
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+++ b/drivers/usb/dwc3/core.c
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@@ -1012,8 +1012,20 @@ static int dwc3_probe(struct platform_de
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goto err1;
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}
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- /* default to superspeed if no maximum_speed passed */
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- if (dwc->maximum_speed == USB_SPEED_UNKNOWN) {
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+ /* Check the maximum_speed parameter */
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+ switch (dwc->maximum_speed) {
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+ case USB_SPEED_LOW:
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+ case USB_SPEED_FULL:
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+ case USB_SPEED_HIGH:
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+ case USB_SPEED_SUPER:
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+ case USB_SPEED_SUPER_PLUS:
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+ break;
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+ default:
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+ dev_err(dev, "invalid maximum_speed parameter %d\n",
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+ dwc->maximum_speed);
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+ /* fall through */
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+ case USB_SPEED_UNKNOWN:
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+ /* default to superspeed */
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dwc->maximum_speed = USB_SPEED_SUPER;
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/*
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@@ -1023,6 +1035,8 @@ static int dwc3_probe(struct platform_de
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(DWC3_GHWPARAMS3_SSPHY_IFC(dwc->hwparams.hwparams3) ==
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DWC3_GHWPARAMS3_SSPHY_IFC_GEN2))
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dwc->maximum_speed = USB_SPEED_SUPER_PLUS;
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+
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+ break;
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}
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/* Adjust Frame Length */
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--- a/drivers/usb/dwc3/gadget.c
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+++ b/drivers/usb/dwc3/gadget.c
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@@ -1647,10 +1647,13 @@ static int dwc3_gadget_start(struct usb_
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case USB_SPEED_HIGH:
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reg |= DWC3_DSTS_HIGHSPEED;
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break;
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- case USB_SPEED_SUPER: /* FALLTHROUGH */
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- case USB_SPEED_UNKNOWN: /* FALTHROUGH */
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default:
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- reg |= DWC3_DSTS_SUPERSPEED;
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+ dev_err(dwc->dev, "invalid dwc->maximum_speed (%d)\n",
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+ dwc->maximum_speed);
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+ /* fall through */
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+ case USB_SPEED_SUPER:
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+ reg |= DWC3_DCFG_SUPERSPEED;
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+ break;
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}
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}
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dwc3_writel(dwc->regs, DWC3_DCFG, reg);
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