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c6ddf8d502
Many changes were done in drivers/pinctrl/bcm/pinctrl-bcm2835.c between
5.4.171 and 5.4.179.
The following 3 patches do not apply any more:
* target/linux/bcm27xx/patches-5.4/950-0316-pinctrl-bcm2835-Add-support-for-BCM2711-pull-up-func.patch
This was already integrated in kernel v5.4-rc1, it was never needed.
* target/linux/bcm27xx/patches-5.4/950-0328-Revert-pinctrl-bcm2835-Pass-irqchip-when-adding-gpio.patch
* target/linux/bcm27xx/patches-5.4/950-0362-pinctrl-bcm2835-Change-init-order-for-gpio-hogs.patch
I think these were done to fix the problem which was really fixed in
commit 75278f1aff5e ("pinctrl: bcm2835: Change init order for gpio
hogs") from v5.4.175
target/linux/generic/backport-5.4/716-v5.5-net-sfp-move-fwnode-parsing-into-sfp-bus-layer.patch
Move fwnode_device_is_available to the same position as in kernel 5.10.
target/linux/layerscape/patches-5.4/302-dts-0083-arm64-ls1028a-qds-correct-bus-of-rtc.patch
Applied in commit 65816c1034769e714edb70f59a33bc5472d9e55f ("arm64: dts:
ls1028a-qds: move rtc node to the correct i2c bus")
Compile-tested: lantiq/xrx200, bcm27xx/bcm2710
Run-tested: lantiq/xrx200
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
30 lines
1.1 KiB
Diff
30 lines
1.1 KiB
Diff
From 803eba9a3e9a343903ebe0f6bf2ad80475736200 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] 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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@@ -2557,7 +2557,12 @@ 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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