C++ (Cpp) msm_bus_board_rpm_get_il_ids示例

示例#1

文件： msm_bus_rpm.c 项目： Drgravy/kernel_htc_m7

bool msm_bus_rpm_is_mem_interleaved(void)
{
	int status = 0;
	struct msm_rpm_iv_pair il[2];
	uint16_t id[2];

	il[0].value = 0;
	il[1].value = 0;
	status = msm_bus_board_rpm_get_il_ids(id);
	if (status) {
		MSM_BUS_DBG("Dynamic check not supported, "
			"default: Interleaved memory\n");
		goto inter;
	}

	il[0].id = id[0];
	il[1].id = id[1];
	status = msm_rpm_get_status(il, ARRAY_SIZE(il));
	if (status) {
		MSM_BUS_ERR("Status read for interleaving returned: %d\n"
			"Using interleaved memory by default\n",
			status);
		goto inter;
	}

	if ((il[0].value & 0xFFFF0000) != (il[1].value & 0xFFFF0000)) {
		MSM_BUS_DBG("Non-interleaved memory\n");
		return false;
	}

inter:
	MSM_BUS_DBG("Interleaved memory\n");
	return true;
}

示例#2

文件： msm_bus_rpm.c 项目： Alexxis2233/gcore_kernel

bool msm_bus_rpm_is_mem_interleaved(void)
{
	int status = 0;
	struct msm_rpm_iv_pair il[2];
	uint16_t id[2];

	il[0].value = 0;
	il[1].value = 0;
	status = msm_bus_board_rpm_get_il_ids(id);
	if (status) {
		MSM_BUS_DBG("Dynamic check not supported, "
			"default: Interleaved memory\n");
		goto inter;
	}

	il[0].id = id[0];
	il[1].id = id[1];
	status = msm_rpm_get_status(il, ARRAY_SIZE(il));
	if (status) {
		MSM_BUS_ERR("Status read for interleaving returned: %d\n"
			"Using interleaved memory by default\n",
			status);
		goto inter;
	}

	/*
	 * If the start address of EBI1-CH0 is the same as
	 * the start address of EBI1-CH1, the memory is interleaved.
	 * The start addresses are stored in the 16 MSBs of the status
	 * register
	 */
	if ((il[0].value & 0xFFFF0000) != (il[1].value & 0xFFFF0000)) {
		MSM_BUS_DBG("Non-interleaved memory\n");
		return false;
	}

inter:
	MSM_BUS_DBG("Interleaved memory\n");
	return true;
}