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This change makes the names of Broadcom targets consistent by using the common notation based on SoC/CPU ID (which is used internally anyway), bcmXXXX instead of brcmXXXX. This is even used for target TITLE in make menuconfig already, only the short target name used brcm so far. Despite, since subtargets range from bcm2708 to bcm2711, it seems appropriate to use bcm27xx instead of bcm2708 (again, as already done for BOARDNAME). This also renames the packages brcm2708-userland and brcm2708-gpu-fw. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de> Acked-by: Álvaro Fernández Rojas <noltari@gmail.com>
37 lines
1.3 KiB
Diff
37 lines
1.3 KiB
Diff
From 612a3f0adcf98854dcbe8228551b941b76c6af2c 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] 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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@@ -948,6 +948,9 @@ 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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