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authorJon Hunter <jonathanh@nvidia.com>2017-10-23 12:12:52 +0100
committerThierry Reding <treding@nvidia.com>2017-11-01 14:58:13 +0100
commit109eba2eb61ab92fc1f92e02d69ee0aa16e10c6a (patch)
tree4c179e5a5c116669a0e23b18e9197ec66efbc64c /drivers/clk/tegra/clk-tegra-super-gen4.c
parentd83b26e0f2b013d29cc1431e35eb10c85e76784a (diff)
downloadlinux-next-109eba2eb61ab92fc1f92e02d69ee0aa16e10c6a.tar.gz
clk: tegra: Mark APB clock as critical
Currently, the APB clock is registered with the CLK_IGNORE_UNUSED flag to prevent the clock from being disabled if unused on boot. However, even if it is used, it still needs to be always kept enabled so that it doesn't get inadvertently disabled when all of its children are, and so update the flag for the APB clock to be CLK_IS_CRITICAL. Suggested-by: Peter De Schrijver <pdeschrijver@nvidia.com> Signed-off-by: Jon Hunter <jonathanh@nvidia.com> Acked-By: Peter De Schrijver <pdeschrijver@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/clk/tegra/clk-tegra-super-gen4.c')
-rw-r--r--drivers/clk/tegra/clk-tegra-super-gen4.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/clk/tegra/clk-tegra-super-gen4.c b/drivers/clk/tegra/clk-tegra-super-gen4.c
index 4f6fd307cb70..10047107c1dc 100644
--- a/drivers/clk/tegra/clk-tegra-super-gen4.c
+++ b/drivers/clk/tegra/clk-tegra-super-gen4.c
@@ -166,7 +166,7 @@ static void __init tegra_sclk_init(void __iomem *clk_base,
clk_base + SYSTEM_CLK_RATE, 0, 2, 0,
&sysrate_lock);
clk = clk_register_gate(NULL, "pclk", "pclk_div", CLK_SET_RATE_PARENT |
- CLK_IGNORE_UNUSED, clk_base + SYSTEM_CLK_RATE,
+ CLK_IS_CRITICAL, clk_base + SYSTEM_CLK_RATE,
3, CLK_GATE_SET_TO_DISABLE, &sysrate_lock);
*dt_clk = clk;
}