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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>
97 lines
2.5 KiB
Diff
97 lines
2.5 KiB
Diff
From 696c8b1282205caa5206264449f80ef756f14ef7 Mon Sep 17 00:00:00 2001
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From: Felipe Balbi <felipe.balbi@linux.intel.com>
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Date: Wed, 30 Mar 2016 09:37:03 +0300
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Subject: usb: dwc3: drop ev_buffs array
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we will be using a single event buffer and that
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renders ev_buffs array unnecessary. Let's remove it
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in favor of a single pointer to a single event
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buffer.
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Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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---
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drivers/usb/dwc3/core.c | 13 ++++---------
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drivers/usb/dwc3/core.h | 2 +-
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drivers/usb/dwc3/gadget.c | 4 ++--
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3 files changed, 7 insertions(+), 12 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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@@ -204,7 +204,7 @@ static void dwc3_free_event_buffers(stru
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{
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struct dwc3_event_buffer *evt;
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- evt = dwc->ev_buffs[0];
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+ evt = dwc->ev_buf;
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if (evt)
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dwc3_free_one_event_buffer(dwc, evt);
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}
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@@ -221,17 +221,12 @@ static int dwc3_alloc_event_buffers(stru
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{
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struct dwc3_event_buffer *evt;
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- dwc->ev_buffs = devm_kzalloc(dwc->dev, sizeof(*dwc->ev_buffs),
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- GFP_KERNEL);
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- if (!dwc->ev_buffs)
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- return -ENOMEM;
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-
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evt = dwc3_alloc_one_event_buffer(dwc, length);
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if (IS_ERR(evt)) {
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dev_err(dwc->dev, "can't allocate event buffer\n");
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return PTR_ERR(evt);
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}
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- dwc->ev_buffs[0] = evt;
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+ dwc->ev_buf = evt;
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return 0;
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}
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@@ -246,7 +241,7 @@ static int dwc3_event_buffers_setup(stru
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{
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struct dwc3_event_buffer *evt;
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- evt = dwc->ev_buffs[0];
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+ evt = dwc->ev_buf;
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dwc3_trace(trace_dwc3_core,
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"Event buf %p dma %08llx length %d\n",
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evt->buf, (unsigned long long) evt->dma,
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@@ -269,7 +264,7 @@ static void dwc3_event_buffers_cleanup(s
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{
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struct dwc3_event_buffer *evt;
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- evt = dwc->ev_buffs[0];
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+ evt = dwc->ev_buf;
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evt->lpos = 0;
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--- a/drivers/usb/dwc3/core.h
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+++ b/drivers/usb/dwc3/core.h
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@@ -748,7 +748,7 @@ struct dwc3 {
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struct platform_device *xhci;
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struct resource xhci_resources[DWC3_XHCI_RESOURCES_NUM];
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- struct dwc3_event_buffer **ev_buffs;
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+ struct dwc3_event_buffer *ev_buf;
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struct dwc3_ep *eps[DWC3_ENDPOINTS_NUM];
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struct usb_gadget gadget;
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--- a/drivers/usb/dwc3/gadget.c
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+++ b/drivers/usb/dwc3/gadget.c
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@@ -2576,7 +2576,7 @@ static irqreturn_t dwc3_process_event_bu
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int left;
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u32 reg;
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- evt = dwc->ev_buffs[0];
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+ evt = dwc->ev_buf;
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left = evt->count;
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if (!(evt->flags & DWC3_EVENT_PENDING))
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@@ -2635,7 +2635,7 @@ static irqreturn_t dwc3_check_event_buf(
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u32 count;
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u32 reg;
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- evt = dwc->ev_buffs[0];
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+ evt = dwc->ev_buf;
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count = dwc3_readl(dwc->regs, DWC3_GEVNTCOUNT(0));
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count &= DWC3_GEVNTCOUNT_MASK;
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