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c7634180fc
Refreshed all patches. Remove upstreamed: - 023-0013-crypto-crypto4xx-fix-AES-CTR-blocksize-value.patch - 023-0014-crypto-crypto4xx-fix-blocksize-for-cfb-and-ofb.patch - 023-0015-crypto-crypto4xx-block-ciphers-should-only-accept-co.patch - 950-0252-staging-bcm2835_camera-Ensure-all-buffers-are-return.patch - 950-0253-staging-bcm2835-camera-Remove-check-of-the-number-of.patch - 950-0254-staging-bcm2835-camera-Handle-empty-EOS-buffers-whil.patch - 950-0489-staging-mmal-vchiq-Replace-spinlock-protecting-conte.patch - 0021-ARM-dts-gemini-Fix-up-DNS-313-compatible-string.patch - 049-v4.20-mips-remove-superfluous-check-for-linux.patch - 100-MIPS-fix-build-on-non-linux-hosts.patch - 303-MIPS-Fix-bounds-check-virt_addr_valid.patch - 0002-usb-dwc2-use-a-longer-AHB-idle-timeout-in-dwc2_core_.patch Altered patches: - 950-0267-staging-vc04_services-Split-vchiq-mmal-into-a-module.patch - 700-net-add-qualcomm-mdio-and-phy.patch Fixes: - CVE-2019-3846 New symbol: - AX88796B_PHY Compile-tested on: cns3xxx, imx6 Runtime-tested on: cns3xxx, imx6 Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
37 lines
1.3 KiB
Diff
37 lines
1.3 KiB
Diff
From a3ba7e3519d3dce17a0224b552fb88b7728f7061 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Tue, 14 Nov 2017 11:03:22 +0000
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Subject: [PATCH 104/703] mcp2515: Use DT-supplied interrupt flags
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The MCP2515 datasheet clearly describes a level-triggered interrupt
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pin. Therefore the receiving interrupt controller must also be
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configured for level-triggered operation otherwise there is a danger
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of a missed interrupt condition blocking all subsequent interrupts.
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The ONESHOT flag ensures that the interrupt is masked until the
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threaded interrupt handler exits.
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Rather than change the flags globally (they must have worked for at
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least one user), allow the flags to be overridden from Device Tree
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in the event that the device has a DT node.
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See: https://github.com/raspberrypi/linux/issues/2175
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https://github.com/raspberrypi/linux/issues/2263
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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drivers/net/can/spi/mcp251x.c | 3 +++
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1 file changed, 3 insertions(+)
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--- a/drivers/net/can/spi/mcp251x.c
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+++ b/drivers/net/can/spi/mcp251x.c
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@@ -950,6 +950,9 @@ static int mcp251x_open(struct net_devic
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priv->tx_skb = NULL;
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priv->tx_len = 0;
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+ if (spi->dev.of_node)
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+ flags = 0;
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+
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ret = request_threaded_irq(spi->irq, NULL, mcp251x_can_ist,
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flags | IRQF_ONESHOT, DEVICE_NAME, priv);
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if (ret) {
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