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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-08-21 10:54:34 +0200 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-08-21 19:07:07 +0200 |
| commit | 8299d1f057439f94c6a4412e2e5c5082b82a30c9 (patch) | |
| tree | 1bf678d61f11f7394493be464c7876e496f7faed /target/linux/bcm27xx/patches-5.10/950-0022-clk-bcm2835-Mark-used-PLLs-and-dividers-CRITICAL.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-5.10/950-0022-clk-bcm2835-Mark-used-PLLs-and-dividers-CRITICAL.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0022-clk-bcm2835-Mark-used-PLLs-and-dividers-CRITICAL.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0022-clk-bcm2835-Mark-used-PLLs-and-dividers-CRITICAL.patch b/target/linux/bcm27xx/patches-5.10/950-0022-clk-bcm2835-Mark-used-PLLs-and-dividers-CRITICAL.patch new file mode 100644 index 0000000000..4a0f1c5ad6 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0022-clk-bcm2835-Mark-used-PLLs-and-dividers-CRITICAL.patch @@ -0,0 +1,28 @@ +From 3af9c4ed5775b7675e679a80a381eafe2ce726ae Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Mon, 13 Feb 2017 17:20:08 +0000 +Subject: [PATCH] clk-bcm2835: Mark used PLLs and dividers CRITICAL + +The VPU configures and relies on several PLLs and dividers. Mark all +enabled dividers and their PLLs as CRITICAL to prevent the kernel from +switching them off. + +Signed-off-by: Phil Elwell <phil@raspberrypi.org> +--- + drivers/clk/bcm/clk-bcm2835.c | 5 +++++ + 1 file changed, 5 insertions(+) + +--- a/drivers/clk/bcm/clk-bcm2835.c ++++ b/drivers/clk/bcm/clk-bcm2835.c +@@ -1384,6 +1384,11 @@ bcm2835_register_pll_divider(struct bcm2 + divider->div.hw.init = &init; + divider->div.table = NULL; + ++ if (!(cprman_read(cprman, data->cm_reg) & data->hold_mask)) { ++ init.flags |= CLK_IS_CRITICAL; ++ divider->div.flags |= CLK_IS_CRITICAL; ++ } ++ + divider->cprman = cprman; + divider->data = divider_data; + |