예제 #1
0
파일: cm33xx.c 프로젝트: belucha/linux
/**
 * am33xx_cm_wait_module_ready - wait for a module to be in 'func' state
 * @inst: CM instance register offset (*_INST macro)
 * @cdoffs: Clockdomain register offset (*_CDOFFS macro)
 * @clkctrl_offs: Module clock control register offset (*_CLKCTRL macro)
 *
 * Wait for the module IDLEST to be functional. If the idle state is in any
 * the non functional state (trans, idle or disabled), module and thus the
 * sysconfig cannot be accessed and will probably lead to an "imprecise
 * external abort"
 */
int am33xx_cm_wait_module_ready(u16 inst, s16 cdoffs, u16 clkctrl_offs)
{
	int i = 0;

	omap_test_timeout(_is_module_ready(inst, cdoffs, clkctrl_offs),
			  MAX_MODULE_READY_TIME, i);

	return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY;
}
예제 #2
0
파일: cminst44xx.c 프로젝트: 12zz/linux
/**
 * omap4_cminst_wait_module_ready - wait for a module to be in 'func' state
 * @part: PRCM partition ID that the CM_CLKCTRL register exists in
 * @inst: CM instance register offset (*_INST macro)
 * @clkctrl_offs: Module clock control register offset (*_CLKCTRL macro)
 * @bit_shift: bit shift for the register, ignored for OMAP4+
 *
 * Wait for the module IDLEST to be functional. If the idle state is in any
 * the non functional state (trans, idle or disabled), module and thus the
 * sysconfig cannot be accessed and will probably lead to an "imprecise
 * external abort"
 */
static int omap4_cminst_wait_module_ready(u8 part, s16 inst, u16 clkctrl_offs,
					  u8 bit_shift)
{
	int i = 0;

	omap_test_timeout(_is_module_ready(part, inst, clkctrl_offs),
			  MAX_MODULE_READY_TIME, i);

	return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY;
}
/**
 * omap4_cminst_wait_module_ready - wait for a module to be in 'func' state
 * @part: PRCM partition ID that the CM_CLKCTRL register exists in
 * @inst: CM instance register offset (*_INST macro)
 * @cdoffs: Clockdomain register offset (*_CDOFFS macro)
 * @clkctrl_offs: Module clock control register offset (*_CLKCTRL macro)
 *
 * Wait for the module IDLEST to be functional. If the idle state is in any
 * the non functional state (trans, idle or disabled), module and thus the
 * sysconfig cannot be accessed and will probably lead to an "imprecise
 * external abort"
 */
int omap4_cminst_wait_module_ready(u8 part, u16 inst, u16 cdoffs,
				   u16 clkctrl_offs)
{
	int i = 0;

	if (!clkctrl_offs)
		return 0;

	omap_test_timeout(_is_module_ready(part, inst, cdoffs, clkctrl_offs),
			  MAX_MODULE_READY_TIME, i);

	return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY;
}