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clk: introduce enable_count

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As what Linux Kernel 5.3.0 provides when enable/disable clk,
there is an enable_count in clk_core_disable/enable. Introduce
enable_count to track the clk enable/disable count when
clk_enable/disable for CCF. And Initialize enable_count to 0 when
register the clk.

And clk tree dump with enable_count will be supported, it will
be easy for us to check the clk status with enable_count

Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Peng Fan 2019-08-21 13:35:03 +00:00 • committed by Lukasz Majewski
parent 753e5385ca
commit e6849e2fd8
3 changed files with 3 additions and 0 deletions
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include/clk.h
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@ -61,6 +61,7 @@ struct clk {
struct udevice *dev;
long long rate; /* in HZ */
u32 flags;
int enable_count;
/*
* Written by of_xlate. In the future, we might add more fields here.
*/