evie/android_kernel_oneplus_msm8998
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clk: msm: Fix half-divider calculation for slave clks

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The half_divider flag is handled properly in the master
path but is not checked while calculating the rate in the
slave path. This change fixes it.

Change-Id: Ie456487d9e31c88d7e6e318c771b2c8c89b61c89
Signed-off-by: Naseer Ahmed <naseer@codeaurora.org>
This commit is contained in:
Naseer Ahmed 2017-01-13 12:41:41 -05:00
parent 314869eb56
commit 4b571fba5f
1 changed files with 12 additions and 2 deletions
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14
drivers/clk/msm/clock-generic.c
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@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2013-2016, The Linux Foundation. All rights reserved. * Copyright (c) 2013-2017, The Linux Foundation. All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and * it under the terms of the GNU General Public License version 2 and
@ -491,6 +491,9 @@ static long __slave_div_round_rate(struct clk *c, unsigned long rate,
if (best_div) if (best_div)
*best_div = div; *best_div = div;
if (d->data.is_half_divider)
p_rate *= 2;
return p_rate / div; return p_rate / div;
} }
@ -530,9 +533,16 @@ static int slave_div_set_rate(struct clk *c, unsigned long rate)
static unsigned long slave_div_get_rate(struct clk *c) static unsigned long slave_div_get_rate(struct clk *c)
{ {
struct div_clk *d = to_div_clk(c); struct div_clk *d = to_div_clk(c);
unsigned long rate;
if (!d->data.div) if (!d->data.div)
return 0; return 0;
return clk_get_rate(c->parent) / d->data.div;
rate = clk_get_rate(c->parent) / d->data.div;
if (d->data.is_half_divider)
rate *= 2;
return rate;
} }
struct clk_ops clk_ops_slave_div = { struct clk_ops clk_ops_slave_div = {