Author: jmcneill
Date: Tue Apr 26 12:36:12 2016
New Revision: 298634
URL: https://svnweb.freebsd.org/changeset/base/298634
Log:
Fix calculation of LCD CH1 SCLK1 output frequency when SCLK2 /2 is used
as source.
PR: 208680
Reported by: David Binderman <dcb...@hotmail.com>
Modified:
head/sys/arm/allwinner/clk/aw_lcdclk.c
Modified: head/sys/arm/allwinner/clk/aw_lcdclk.c
==============================================================================
--- head/sys/arm/allwinner/clk/aw_lcdclk.c Tue Apr 26 12:33:25 2016
(r298633)
+++ head/sys/arm/allwinner/clk/aw_lcdclk.c Tue Apr 26 12:36:12 2016
(r298634)
@@ -266,7 +266,7 @@ static int
aw_lcdclk_recalc_freq(struct clknode *clk, uint64_t *freq)
{
struct aw_lcdclk_softc *sc;
- uint32_t val, m;
+ uint32_t val, m, src_sel;
sc = clknode_get_softc(clk);
@@ -281,7 +281,8 @@ aw_lcdclk_recalc_freq(struct clknode *cl
*freq = *freq / m;
if (sc->id == CLK_IDX_CH1_SCLK1) {
- if ((val & CH1_SCLK1_SEL) == CH1_SCLK1_SEL_SCLK2_DIV2)
+ src_sel = (val & CH1_SCLK1_SEL) >> CH1_SCLK1_SEL_SHIFT;
+ if (src_sel == CH1_SCLK1_SEL_SCLK2_DIV2)
*freq /= 2;
}
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