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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>
29 lines
907 B
Diff
29 lines
907 B
Diff
From a50ed3cb374d57704b9a4706608b98d8c0ba3eb9 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Mon, 13 Feb 2017 17:20:08 +0000
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Subject: [PATCH] clk-bcm2835: Mark used PLLs and dividers CRITICAL
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The VPU configures and relies on several PLLs and dividers. Mark all
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enabled dividers and their PLLs as CRITICAL to prevent the kernel from
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switching them off.
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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drivers/clk/bcm/clk-bcm2835.c | 5 +++++
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1 file changed, 5 insertions(+)
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--- a/drivers/clk/bcm/clk-bcm2835.c
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+++ b/drivers/clk/bcm/clk-bcm2835.c
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@@ -1376,6 +1376,11 @@ bcm2835_register_pll_divider(struct bcm2
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divider->div.hw.init = &init;
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divider->div.table = NULL;
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+ if (!(cprman_read(cprman, data->cm_reg) & data->hold_mask)) {
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+ init.flags |= CLK_IS_CRITICAL;
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+ divider->div.flags |= CLK_IS_CRITICAL;
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+ }
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+
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divider->cprman = cprman;
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divider->data = data;
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