static int omap_hwmod_init_sysc_flags()

in mach-omap2/omap_hwmod.c [3244:3310]

• 58 lines of code
• 27 McCabe index (conditional complexity)

static int omap_hwmod_init_sysc_flags(struct device *dev,
				      const struct ti_sysc_module_data *data,
				      u32 *sysc_flags)
{
	*sysc_flags = 0;

	switch (data->cap->type) {
	case TI_SYSC_OMAP2:
	case TI_SYSC_OMAP2_TIMER:
		/* See SYSC_OMAP2_* in include/dt-bindings/bus/ti-sysc.h */
		if (data->cfg->sysc_val & SYSC_OMAP2_CLOCKACTIVITY)
			*sysc_flags |= SYSC_HAS_CLOCKACTIVITY;
		if (data->cfg->sysc_val & SYSC_OMAP2_EMUFREE)
			*sysc_flags |= SYSC_HAS_EMUFREE;
		if (data->cfg->sysc_val & SYSC_OMAP2_ENAWAKEUP)
			*sysc_flags |= SYSC_HAS_ENAWAKEUP;
		if (data->cfg->sysc_val & SYSC_OMAP2_SOFTRESET)
			*sysc_flags |= SYSC_HAS_SOFTRESET;
		if (data->cfg->sysc_val & SYSC_OMAP2_AUTOIDLE)
			*sysc_flags |= SYSC_HAS_AUTOIDLE;
		break;
	case TI_SYSC_OMAP4:
	case TI_SYSC_OMAP4_TIMER:
		/* See SYSC_OMAP4_* in include/dt-bindings/bus/ti-sysc.h */
		if (data->cfg->sysc_val & SYSC_OMAP4_DMADISABLE)
			*sysc_flags |= SYSC_HAS_DMADISABLE;
		if (data->cfg->sysc_val & SYSC_OMAP4_FREEEMU)
			*sysc_flags |= SYSC_HAS_EMUFREE;
		if (data->cfg->sysc_val & SYSC_OMAP4_SOFTRESET)
			*sysc_flags |= SYSC_HAS_SOFTRESET;
		break;
	case TI_SYSC_OMAP34XX_SR:
	case TI_SYSC_OMAP36XX_SR:
		/* See SYSC_OMAP3_SR_* in include/dt-bindings/bus/ti-sysc.h */
		if (data->cfg->sysc_val & SYSC_OMAP3_SR_ENAWAKEUP)
			*sysc_flags |= SYSC_HAS_ENAWAKEUP;
		break;
	default:
		if (data->cap->regbits->emufree_shift >= 0)
			*sysc_flags |= SYSC_HAS_EMUFREE;
		if (data->cap->regbits->enwkup_shift >= 0)
			*sysc_flags |= SYSC_HAS_ENAWAKEUP;
		if (data->cap->regbits->srst_shift >= 0)
			*sysc_flags |= SYSC_HAS_SOFTRESET;
		if (data->cap->regbits->autoidle_shift >= 0)
			*sysc_flags |= SYSC_HAS_AUTOIDLE;
		break;
	}

	if (data->cap->regbits->midle_shift >= 0 &&
	    data->cfg->midlemodes)
		*sysc_flags |= SYSC_HAS_MIDLEMODE;

	if (data->cap->regbits->sidle_shift >= 0 &&
	    data->cfg->sidlemodes)
		*sysc_flags |= SYSC_HAS_SIDLEMODE;

	if (data->cfg->quirks & SYSC_QUIRK_UNCACHED)
		*sysc_flags |= SYSC_NO_CACHE;
	if (data->cfg->quirks & SYSC_QUIRK_RESET_STATUS)
		*sysc_flags |= SYSC_HAS_RESET_STATUS;

	if (data->cfg->syss_mask & 1)
		*sysc_flags |= SYSS_HAS_RESET_STATUS;

	return 0;
}