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ARM: emif4: wait for CM_DLL_READYST to be set

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The code intends for the CM_DLL_READYST to be set, but
actually polls till any bit is set since the logical
AND is used instead of the bitwise one is used. Fix it.

cc: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>
This commit is contained in:
Jeroen Hofstee 2014-06-18 21:22:35 +02:00 • committed by Tom Rini
parent 0b308f14f0
commit 878cae6b02
1 changed files with 1 additions and 1 deletions
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2
arch/arm/cpu/armv7/am33xx/emif4.c
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@ -115,7 +115,7 @@ void config_ddr(unsigned int pll, const struct ctrl_ioregs *ioregs,
#endif
#ifdef CONFIG_AM43XX
writel(readl(&cm_device->cm_dll_ctrl) & ~0x1, &cm_device->cm_dll_ctrl);
while ((readl(&cm_device->cm_dll_ctrl) && CM_DLL_READYST) == 0)
while ((readl(&cm_device->cm_dll_ctrl) & CM_DLL_READYST) == 0)
;
writel(0x80000000, &ddrctrl->ddrioctrl);