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imx233: fix auto slow divisor

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The divisor must be set only when auto-slow is disabled.

Change-Id: I31ed94f43a7c9deb80275dc73f8e3c78463b54c0
This commit is contained in:
Amaury Pouly 2012-08-31 01:24:51 +02:00
parent ee21359437
commit 3a1ba755c6
1 changed files with 5 additions and 2 deletions
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7
firmware/target/arm/imx233/clkctrl-imx233.c
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@ -225,8 +225,11 @@ bool imx233_clkctrl_is_usb_pll_enabled(void)
void imx233_clkctrl_set_auto_slow_divisor(enum imx233_as_div_t div)
{
__REG_CLR(HW_CLKCTRL_HBUS) = HW_CLKCTRL_HBUS__SLOW_DIV_BM;
__REG_SET(HW_CLKCTRL_HBUS) = div;
/* the SLOW_DIV must only be set when auto-slow is disabled */
bool old_status = imx233_clkctrl_is_auto_slow_enabled();
imx233_clkctrl_enable_auto_slow(false);
__FIELD_SET(HW_CLKCTRL_HBUS, SLOW_DIV, div);
imx233_clkctrl_enable_auto_slow(old_status);
}
enum imx233_as_div_t imx233_clkctrl_get_auto_slow_divisor(void)