Merge tag 'soundwire-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire

Pull soundwire updates from Vinod Koul:

 - Core now has improved handling of errors for clock stop

 - Support for qcom v2.0.0 status registers and command ignored
   interrupt and more logging for failures

 - DMI quirk for HP Omen machine

* tag 'soundwire-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
  soundwire: dmi-quirks: update HP Omen match
  soundwire: bus: improve error handling for clock stop prepare/deprepare
  soundwire: qcom: Log clk_get("iface") failures
  soundwire: qcom: handle command ignored interrupt
  soundwire: qcom: use newer link status tregister on v2.0.0

Author: torvalds

drivers/soundwire/bus.c

@@ -1001,7 +1001,7 @@ static int sdw_slave_clk_stop_prepare(struct sdw_slave *slave,
 	return ret;
 }
 
-static int sdw_bus_wait_for_clk_prep_deprep(struct sdw_bus *bus, u16 dev_num)
+static int sdw_bus_wait_for_clk_prep_deprep(struct sdw_bus *bus, u16 dev_num, bool prepare)
 {
 	int retry = bus->clk_stop_timeout;
 	int val;
@@ -1015,7 +1015,8 @@ static int sdw_bus_wait_for_clk_prep_deprep(struct sdw_bus *bus, u16 dev_num)
 		}
 		val &= SDW_SCP_STAT_CLK_STP_NF;
 		if (!val) {
-			dev_dbg(bus->dev, "clock stop prep/de-prep done slave:%d\n",
+			dev_dbg(bus->dev, "clock stop %s done slave:%d\n",
+				prepare ? "prepare" : "deprepare",
 				dev_num);
 			return 0;
 		}
@@ -1024,7 +1025,8 @@ static int sdw_bus_wait_for_clk_prep_deprep(struct sdw_bus *bus, u16 dev_num)
 		retry--;
 	} while (retry);
 
-	dev_err(bus->dev, "clock stop prep/de-prep failed slave:%d\n",
+	dev_dbg(bus->dev, "clock stop %s did not complete for slave:%d\n",
+		prepare ? "prepare" : "deprepare",
 		dev_num);
 
 	return -ETIMEDOUT;
@@ -1095,7 +1097,7 @@ int sdw_bus_prep_clk_stop(struct sdw_bus *bus)
 	 */
 	if (!simple_clk_stop) {
 		ret = sdw_bus_wait_for_clk_prep_deprep(bus,
-						       SDW_BROADCAST_DEV_NUM);
+						       SDW_BROADCAST_DEV_NUM, true);
 		/*
 		 * if there are no Slave devices present and the reply is
 		 * Command_Ignored/-ENODATA, we don't need to continue with the
@@ -1215,7 +1217,7 @@ int sdw_bus_exit_clk_stop(struct sdw_bus *bus)
 	 * state machine
 	 */
 	if (!simple_clk_stop) {
-		ret = sdw_bus_wait_for_clk_prep_deprep(bus, SDW_BROADCAST_DEV_NUM);
+		ret = sdw_bus_wait_for_clk_prep_deprep(bus, SDW_BROADCAST_DEV_NUM, false);
 		if (ret < 0)
 			dev_warn(bus->dev, "clock stop deprepare wait failed:%d\n", ret);
 	}

drivers/soundwire/dmi-quirks.c

@@ -141,7 +141,7 @@ static const struct dmi_system_id adr_remap_quirk_table[] = {
 	{
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "OMEN by HP Gaming Laptop 16-k0xxx"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "OMEN by HP Gaming Laptop 16"),
 		},
 		.driver_data = (void *)hp_omen_16,
 	},

drivers/soundwire/qcom.c

@@ -60,6 +60,7 @@
 #define SWRM_INTERRUPT_STATUS_BUS_RESET_FINISHED_V2		BIT(13)
 #define SWRM_INTERRUPT_STATUS_CLK_STOP_FINISHED_V2		BIT(14)
 #define SWRM_INTERRUPT_STATUS_EXT_CLK_STOP_WAKEUP		BIT(16)
+#define SWRM_INTERRUPT_STATUS_CMD_IGNORED_AND_EXEC_CONTINUED	BIT(19)
 #define SWRM_INTERRUPT_MAX					17
 #define SWRM_V1_3_INTERRUPT_MASK_ADDR				0x204
 #define SWRM_V1_3_INTERRUPT_CLEAR				0x208
@@ -776,6 +777,17 @@ static irqreturn_t qcom_swrm_irq_handler(int irq, void *dev_id)
 				break;
 			case SWRM_INTERRUPT_STATUS_EXT_CLK_STOP_WAKEUP:
 				break;
+			case SWRM_INTERRUPT_STATUS_CMD_IGNORED_AND_EXEC_CONTINUED:
+				ctrl->reg_read(ctrl,
+					       ctrl->reg_layout[SWRM_REG_CMD_FIFO_STATUS],
+					       &value);
+				dev_err(ctrl->dev,
+					"%s: SWR CMD ignored, fifo status %x\n",
+					__func__, value);
+
+				/* Wait 3.5ms to clear */
+				usleep_range(3500, 3505);
+				break;
 			default:
 				dev_err_ratelimited(ctrl->dev,
 						"%s: SWR unknown interrupt value: %d\n",
@@ -801,8 +813,8 @@ static bool swrm_wait_for_frame_gen_enabled(struct qcom_swrm_ctrl *ctrl)
 	int comp_sts;
 
 	do {
-		ctrl->reg_read(ctrl, SWRM_COMP_STATUS, &comp_sts);
-
+		ctrl->reg_read(ctrl, ctrl->reg_layout[SWRM_REG_FRAME_GEN_ENABLED],
+			       &comp_sts);
 		if (comp_sts & SWRM_FRM_GEN_ENABLED)
 			return true;
 
@@ -1550,7 +1562,7 @@ static int qcom_swrm_probe(struct platform_device *pdev)
 
 	ctrl->hclk = devm_clk_get(dev, "iface");
 	if (IS_ERR(ctrl->hclk)) {
-		ret = PTR_ERR(ctrl->hclk);
+		ret = dev_err_probe(dev, PTR_ERR(ctrl->hclk), "unable to get iface clock\n");
 		goto err_init;
 	}