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f80272dd9c
Refreshed all patches. Remove upstreamed: - 302-0002-dmaengine-dw-implement-per-channel-protection-contro.patch Fixes: - CVE-2019-19332 Compile-tested on: cns3xxx Runtime-tested on: cns3xxx Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
30 lines
1.1 KiB
Diff
30 lines
1.1 KiB
Diff
From 1cf3028d3fd5f374cf75e6487898197c3db230ad Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Tue, 23 Feb 2016 17:26:48 +0000
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Subject: [PATCH 092/454] amba_pl011: Don't use DT aliases for numbering
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The pl011 driver looks for DT aliases of the form "serial<n>",
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and if found uses <n> as the device ID. This can cause
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/dev/ttyAMA0 to become /dev/ttyAMA1, which is confusing if the
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other serial port is provided by the 8250 driver which doesn't
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use the same logic.
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---
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drivers/tty/serial/amba-pl011.c | 5 +++++
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1 file changed, 5 insertions(+)
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--- a/drivers/tty/serial/amba-pl011.c
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+++ b/drivers/tty/serial/amba-pl011.c
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@@ -2596,7 +2596,12 @@ static int pl011_setup_port(struct devic
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if (IS_ERR(base))
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return PTR_ERR(base);
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+ /* Don't use DT serial<n> aliases - it causes the device to
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+ be renumbered to ttyAMA1 if it is the second serial port in the
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+ system, even though the other one is ttyS0. The 8250 driver
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+ doesn't use this logic, so always remains ttyS0.
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index = pl011_probe_dt_alias(index, dev);
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+ */
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uap->old_cr = 0;
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uap->port.dev = dev;
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