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clk: bcm2835: Don't cache the PLLB rate

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The PLLB rate will be changed through the firmware clocks drivers and will
change behind this drivers' back, so we don't want to cache the rate.

Acked-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Tested-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/9864daba2f584ed49aee5ed1d2f4d48507c58197.1592210452.git-series.maxime@cerno.tech
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Maxime Ripard 2020-06-15 10:41:06 +02:00 committed by Stephen Boyd
parent b2683d069b
commit 0d46fafc03
1 changed files with 3 additions and 2 deletions
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5
drivers/clk/bcm/clk-bcm2835.c
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@ -1700,7 +1700,8 @@ static const struct bcm2835_clk_desc clk_desc_array[] = {
.min_rate = 600000000u,
.max_rate = 3000000000u,
.max_fb_rate = BCM2835_MAX_FB_RATE),
.max_fb_rate = BCM2835_MAX_FB_RATE,
.flags = CLK_GET_RATE_NOCACHE),
[BCM2835_PLLB_ARM] = REGISTER_PLL_DIV(
SOC_ALL,
.name = "pllb_arm",
@ -1710,7 +1711,7 @@ static const struct bcm2835_clk_desc clk_desc_array[] = {
.load_mask = CM_PLLB_LOADARM,
.hold_mask = CM_PLLB_HOLDARM,
.fixed_divider = 1,
.flags = CLK_SET_RATE_PARENT),
.flags = CLK_SET_RATE_PARENT | CLK_GET_RATE_NOCACHE),
/*
* PLLC is the core PLL, used to drive the core VPU clock.