kernel: bump 5.15 to 5.15.136
Changelog: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.136 Removed bcm53xx patch backported from 5.15.136: target/linux/bcm53xx/patches-5.15/081-xhci-Keep-interrupt-disabled-in-initialization-until.patch [1] All other patches automatically rebased. Build system: x86_64 Build-tested: ramips/tplink_archer-a6-v3 Run-tested: ramips/tplink_archer-a6-v3 1. https://github.com/openwrt/openwrt/pull/13751#issuecomment-1781206937 Signed-off-by: John Audia <therealgraysky@proton.me> [rmilecki: updated commit description & tested on Luxul XWR-3150] Signed-off-by: Rafał Miłecki <rafal@milecki.pl> [Refreshed on top of OpenWrt 23.05] Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> (cherry picked from commit 5a6368e85deb1d751238447ea8b289576e701cb0)
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						Hauke Mehrtens
					
				
			
			
				
	
			
			
			
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			@@ -1,2 +1,2 @@
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LINUX_VERSION-5.15 = .135
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LINUX_KERNEL_HASH-5.15.135 = 14835e629e237f136cfed484fdb533c95242429809bdcdb2a2d66dfcb7447170
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LINUX_VERSION-5.15 = .136
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LINUX_KERNEL_HASH-5.15.136 = c624b9fe7ee4708d34cfd0b7ebc58037afac7463338cc498641ea31c55eeacb8
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@@ -1123,7 +1123,7 @@ Signed-off-by: Jonathan Bell <jonathan@raspberrypi.org>
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 }
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--- a/drivers/usb/core/hub.c
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+++ b/drivers/usb/core/hub.c
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@@ -5640,7 +5640,7 @@ static void port_event(struct usb_hub *h
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@@ -5659,7 +5659,7 @@ static void port_event(struct usb_hub *h
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 		port_dev->over_current_count++;
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 		port_over_current_notify(port_dev);
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@@ -10,9 +10,9 @@ Subject: [PATCH] ARM64: Force hardware emulation of deprecated
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--- a/arch/arm64/kernel/armv8_deprecated.c
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+++ b/arch/arm64/kernel/armv8_deprecated.c
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@@ -183,10 +183,15 @@ static void __init register_insn_emulati
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@@ -546,10 +546,15 @@ static void __init register_insn_emulati
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 	switch (ops->status) {
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 	switch (insn->status) {
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 	case INSN_DEPRECATED:
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+#if 0
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 		insn->current_mode = INSN_EMULATE;
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@@ -15,7 +15,7 @@ Signed-off-by: Jonathan Bell <jonathan@raspberrypi.org>
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--- a/drivers/usb/host/xhci.c
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+++ b/drivers/usb/host/xhci.c
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@@ -1622,6 +1622,109 @@ command_cleanup:
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@@ -1631,6 +1631,109 @@ command_cleanup:
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 }
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 /*
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@@ -125,7 +125,7 @@ Signed-off-by: Jonathan Bell <jonathan@raspberrypi.org>
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  * non-error returns are a promise to giveback() the urb later
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  * we drop ownership so next owner (or urb unlink) can get it
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  */
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@@ -5461,6 +5564,7 @@ static const struct hc_driver xhci_hc_dr
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@@ -5470,6 +5573,7 @@ static const struct hc_driver xhci_hc_dr
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 	.endpoint_reset =	xhci_endpoint_reset,
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 	.check_bandwidth =	xhci_check_bandwidth,
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 	.reset_bandwidth =	xhci_reset_bandwidth,
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@@ -16,7 +16,7 @@ Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
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--- a/sound/usb/quirks.c
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+++ b/sound/usb/quirks.c
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@@ -1884,6 +1884,8 @@ static const struct usb_audio_quirk_flag
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@@ -1888,6 +1888,8 @@ static const struct usb_audio_quirk_flag
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 		   QUIRK_FLAG_GENERIC_IMPLICIT_FB),
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 	DEVICE_FLG(0x2b53, 0x0031, /* Fiero SC-01 (firmware v1.1.0) */
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 		   QUIRK_FLAG_GENERIC_IMPLICIT_FB),
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@@ -226,7 +226,7 @@ Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
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 	}
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--- a/drivers/usb/host/xhci.c
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+++ b/drivers/usb/host/xhci.c
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@@ -880,8 +880,8 @@ static void xhci_clear_command_ring(stru
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@@ -889,8 +889,8 @@ static void xhci_clear_command_ring(stru
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 	seg = ring->deq_seg;
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 	do {
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 		memset(seg->trbs, 0,
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@@ -237,7 +237,7 @@ Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
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 			cpu_to_le32(~TRB_CYCLE);
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 		seg = seg->next;
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 	} while (seg != ring->deq_seg);
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@@ -892,7 +892,7 @@ static void xhci_clear_command_ring(stru
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@@ -901,7 +901,7 @@ static void xhci_clear_command_ring(stru
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 	ring->enq_seg = ring->deq_seg;
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 	ring->enqueue = ring->dequeue;
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@@ -1,87 +0,0 @@
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From a808925075fb750804a60ff0710614466c396db4 Mon Sep 17 00:00:00 2001
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From: Hongyu Xie <xy521521@gmail.com>
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Date: Thu, 23 Jun 2022 14:19:42 +0300
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Subject: [PATCH] xhci: Keep interrupt disabled in initialization until host is
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 running.
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irq is disabled in xhci_quiesce(called by xhci_halt, with bit:2 cleared
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in USBCMD register), but xhci_run(called by usb_add_hcd) re-enable it.
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It's possible that you will receive thousands of interrupt requests
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after initialization for 2.0 roothub. And you will get a lot of
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warning like, "xHCI dying, ignoring interrupt. Shouldn't IRQs be
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disabled?". This amount of interrupt requests will cause the entire
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system to freeze.
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This problem was first found on a device with ASM2142 host controller
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on it.
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[tidy up old code while moving it, reword header -Mathias]
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Cc: stable@kernel.org
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Signed-off-by: Hongyu Xie <xiehongyu1@kylinos.cn>
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Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
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Link: https://lore.kernel.org/r/20220623111945.1557702-2-mathias.nyman@linux.intel.com
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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---
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 drivers/usb/host/xhci.c | 35 ++++++++++++++++++++++-------------
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 1 file changed, 22 insertions(+), 13 deletions(-)
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--- a/drivers/usb/host/xhci.c
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+++ b/drivers/usb/host/xhci.c
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@@ -611,8 +611,27 @@ static int xhci_init(struct usb_hcd *hcd
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 static int xhci_run_finished(struct xhci_hcd *xhci)
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 {
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+	unsigned long	flags;
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+	u32		temp;
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+
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+	/*
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+	 * Enable interrupts before starting the host (xhci 4.2 and 5.5.2).
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+	 * Protect the short window before host is running with a lock
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+	 */
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+	spin_lock_irqsave(&xhci->lock, flags);
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+
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+	xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Enable interrupts");
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+	temp = readl(&xhci->op_regs->command);
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+	temp |= (CMD_EIE);
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+	writel(temp, &xhci->op_regs->command);
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+
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+	xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Enable primary interrupter");
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+	temp = readl(&xhci->ir_set->irq_pending);
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+	writel(ER_IRQ_ENABLE(temp), &xhci->ir_set->irq_pending);
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+
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 	if (xhci_start(xhci)) {
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 		xhci_halt(xhci);
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+		spin_unlock_irqrestore(&xhci->lock, flags);
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 		return -ENODEV;
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 	}
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 	xhci->shared_hcd->state = HC_STATE_RUNNING;
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@@ -623,6 +642,9 @@ static int xhci_run_finished(struct xhci
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 	xhci_dbg_trace(xhci, trace_xhci_dbg_init,
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 			"Finished xhci_run for USB3 roothub");
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+
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+	spin_unlock_irqrestore(&xhci->lock, flags);
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+
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 	return 0;
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 }
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@@ -671,19 +693,6 @@ int xhci_run(struct usb_hcd *hcd)
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 	temp |= (xhci->imod_interval / 250) & ER_IRQ_INTERVAL_MASK;
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 	writel(temp, &xhci->ir_set->irq_control);
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-	/* Set the HCD state before we enable the irqs */
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-	temp = readl(&xhci->op_regs->command);
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-	temp |= (CMD_EIE);
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-	xhci_dbg_trace(xhci, trace_xhci_dbg_init,
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-			"// Enable interrupts, cmd = 0x%x.", temp);
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-	writel(temp, &xhci->op_regs->command);
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-
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-	temp = readl(&xhci->ir_set->irq_pending);
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-	xhci_dbg_trace(xhci, trace_xhci_dbg_init,
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-			"// Enabling event ring interrupter %p by writing 0x%x to irq_pending",
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-			xhci->ir_set, (unsigned int) ER_IRQ_ENABLE(temp));
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-	writel(ER_IRQ_ENABLE(temp), &xhci->ir_set->irq_pending);
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-
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 	if (xhci->quirks & XHCI_NEC_HOST) {
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 		struct xhci_command *command;
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