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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-08-21 10:54:34 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-08-21 19:07:07 +0200 |
commit | 8299d1f057439f94c6a4412e2e5c5082b82a30c9 (patch) | |
tree | 1bf678d61f11f7394493be464c7876e496f7faed /target/linux/bcm27xx/patches-5.10/950-0031-amba_pl011-Don-t-use-DT-aliases-for-numbering.patch | |
parent | 33b6885975ce376ff075362b7f0890326043111b (diff) | |
download | upstream-8299d1f057439f94c6a4412e2e5c5082b82a30c9.tar.gz upstream-8299d1f057439f94c6a4412e2e5c5082b82a30c9.tar.bz2 upstream-8299d1f057439f94c6a4412e2e5c5082b82a30c9.zip |
bcm27xx: add kernel 5.10 support
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted
patches, wireless patches and defconfig patches.
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 4B v1.1 4G
bcm2711: boot tested on RPi 4B v1.1 4G
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0031-amba_pl011-Don-t-use-DT-aliases-for-numbering.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0031-amba_pl011-Don-t-use-DT-aliases-for-numbering.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0031-amba_pl011-Don-t-use-DT-aliases-for-numbering.patch b/target/linux/bcm27xx/patches-5.10/950-0031-amba_pl011-Don-t-use-DT-aliases-for-numbering.patch new file mode 100644 index 0000000000..ffd59bc969 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0031-amba_pl011-Don-t-use-DT-aliases-for-numbering.patch @@ -0,0 +1,29 @@ +From a79b4327445a827be28b9939592da8e812a19b29 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Tue, 23 Feb 2016 17:26:48 +0000 +Subject: [PATCH] amba_pl011: Don't use DT aliases for numbering + +The pl011 driver looks for DT aliases of the form "serial<n>", +and if found uses <n> as the device ID. This can cause +/dev/ttyAMA0 to become /dev/ttyAMA1, which is confusing if the +other serial port is provided by the 8250 driver which doesn't +use the same logic. +--- + drivers/tty/serial/amba-pl011.c | 5 +++++ + 1 file changed, 5 insertions(+) + +--- a/drivers/tty/serial/amba-pl011.c ++++ b/drivers/tty/serial/amba-pl011.c +@@ -2599,7 +2599,12 @@ static int pl011_setup_port(struct devic + if (IS_ERR(base)) + return PTR_ERR(base); + ++ /* Don't use DT serial<n> aliases - it causes the device to ++ be renumbered to ttyAMA1 if it is the second serial port in the ++ system, even though the other one is ttyS0. The 8250 driver ++ doesn't use this logic, so always remains ttyS0. + index = pl011_probe_dt_alias(index, dev); ++ */ + + uap->old_cr = 0; + uap->port.dev = dev; |