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clk: remove prepare lock and bus voting in clk_debug_print_hw

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Remove prepare lock and bus voting since they can be called
from an atomic context. Bandwidth voting is unnecessary as
print_hw_show already covers for the voting in debug
usecases.

Change-Id: Iba4106e16ea7d1ffab01bef175a57f34aacb0f05
Signed-off-by: David Dai <daidavid1@codeaurora.org>
This commit is contained in:
David Dai
2018-10-08 12:43:44 -07:00
committed by Gerrit - the friendly Code Review server
parent e70b432e02
commit d4c36a3d10
1 changed files with 7 additions and 12 deletions
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19
drivers/clk/clk.c
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@@ -3606,30 +3606,25 @@ void clk_debug_print_hw(struct clk_core *clk, struct seq_file *f)
if (!clk->ops->list_registers)
return;
clk_prepare_lock();
if (clk->ops->bus_vote)
clk->ops->bus_vote(clk->hw, true);
clk->ops->list_registers(f, clk->hw);
if (clk->ops->bus_vote)
clk->ops->bus_vote(clk->hw, false);
clk_prepare_unlock();
}
EXPORT_SYMBOL(clk_debug_print_hw);
static int print_hw_show(struct seq_file *m, void *unused)
{
struct clk_core *c = m->private;
struct clk_core *clk;
clk_prepare_lock();
if (c->ops->bus_vote)
c->ops->bus_vote(c->hw, true);
for (clk = c; clk; clk = clk->parent)
if (clk->ops->bus_vote)
clk->ops->bus_vote(clk->hw, true);
clk_debug_print_hw(c, m);
if (c->ops->bus_vote)
c->ops->bus_vote(c->hw, false);
for (clk = c; clk; clk = clk->parent)
if (clk->ops->bus_vote)
clk->ops->bus_vote(c->hw, false);
clk_prepare_unlock();
return 0;