static void msm8974_icc_rpm_smd_send()

in qcom/msm8974.c [553:579]


static void msm8974_icc_rpm_smd_send(struct device *dev, int rsc_type,
				     char *name, int id, u64 val)
{
	int ret;

	if (id == -1)
		return;

	/*
	 * Setting the bandwidth requests for some nodes fails and this same
	 * behavior occurs on the downstream MSM 3.4 kernel sources based on
	 * errors like this in that kernel:
	 *
	 *   msm_rpm_get_error_from_ack(): RPM NACK Unsupported resource
	 *   AXI: msm_bus_rpm_req(): RPM: Ack failed
	 *   AXI: msm_bus_rpm_commit_arb(): RPM: Req fail: mas:32, bw:240000000
	 *
	 * Since there's no publicly available documentation for this hardware,
	 * and the bandwidth for some nodes in the path can be set properly,
	 * let's not return an error.
	 */
	ret = qcom_icc_rpm_smd_send(QCOM_SMD_RPM_ACTIVE_STATE, rsc_type, id,
				    val);
	if (ret)
		dev_dbg(dev, "Cannot set bandwidth for node %s (%d): %d\n",
			name, id, ret);
}