3 files changed, 25 insertions, 1 deletions
diff --git a/drivers/dpll/zl3073x/core.c b/drivers/dpll/zl3073x/core.c
index 092e7027948a..e42e527813cf 100644
--- a/drivers/dpll/zl3073x/core.c
+++ b/drivers/dpll/zl3073x/core.c
@@ -1038,8 +1038,29 @@ zl3073x_dev_phase_meas_setup(struct zl3073x_dev *zldev)
 int zl3073x_dev_start(struct zl3073x_dev *zldev, bool full)
 {
 	struct zl3073x_dpll *zldpll;
+	u8 info;
 	int rc;
 
+	rc = zl3073x_read_u8(zldev, ZL_REG_INFO, &info);
+	if (rc) {
+		dev_err(zldev->dev, "Failed to read device status info\n");
+		return rc;
+	}
+
+	if (!FIELD_GET(ZL_INFO_READY, info)) {
+		/* The ready bit indicates that the firmware was successfully
+		 * configured and is ready for normal operation. If it is
+		 * cleared then the configuration stored in flash is wrong
+		 * or missing. In this situation the driver will expose
+		 * only devlink interface to give an opportunity to flash
+		 * the correct config.
+		 */
+		dev_info(zldev->dev,
+			 "FW not fully ready - missing or corrupted config\n");
+
+		return 0;
+	}
+
 	if (full) {
 		/* Fetch device state */
 		rc = zl3073x_dev_state_fetch(zldev);
diff --git a/drivers/dpll/zl3073x/fw.c b/drivers/dpll/zl3073x/fw.c
index d5418ff74886..def37fe8d9b0 100644
--- a/drivers/dpll/zl3073x/fw.c
+++ b/drivers/dpll/zl3073x/fw.c
@@ -37,7 +37,7 @@ struct zl3073x_fw_component_info {
 static const struct zl3073x_fw_component_info component_info[] = {
 	[ZL_FW_COMPONENT_UTIL] = {
 		.name		= "utility",
-		.max_size	= 0x2300,
+		.max_size	= 0x4000,
 		.load_addr	= 0x20000000,
 		.flash_type	= ZL3073X_FLASH_TYPE_NONE,
 	},
diff --git a/drivers/dpll/zl3073x/regs.h b/drivers/dpll/zl3073x/regs.h
index 19a25325bd9c..d837bee72b17 100644
--- a/drivers/dpll/zl3073x/regs.h
+++ b/drivers/dpll/zl3073x/regs.h
@@ -67,6 +67,9 @@
  * Register Page 0, General
  **************************/
 
+#define ZL_REG_INFO				ZL_REG(0, 0x00, 1)
+#define ZL_INFO_READY				BIT(7)
+
 #define ZL_REG_ID				ZL_REG(0, 0x01, 2)
 #define ZL_REG_REVISION				ZL_REG(0, 0x03, 2)
 #define ZL_REG_FW_VER				ZL_REG(0, 0x05, 2)