X-Git-Url: https://repo.jachan.dev/J-linux.git/blobdiff_plain/e900deb2482002a9c10b77c750f63fba928fe142..901bdf5ea1a836400ee69aa32b04e9c209271ec7:/drivers/fpga/zynqmp-fpga.c

diff --git a/drivers/fpga/zynqmp-fpga.c b/drivers/fpga/zynqmp-fpga.c
index 7d3d5650c322..f3434e2c487b 100644
--- a/drivers/fpga/zynqmp-fpga.c
+++ b/drivers/fpga/zynqmp-fpga.c
@@ -77,6 +77,26 @@ static enum fpga_mgr_states zynqmp_fpga_ops_state(struct fpga_manager *mgr)
 	return FPGA_MGR_STATE_UNKNOWN;
 }
 
+static ssize_t status_show(struct device *dev,
+			   struct device_attribute *attr, char *buf)
+{
+	u32 status;
+	int ret;
+
+	ret = zynqmp_pm_fpga_get_config_status(&status);
+	if (ret)
+		return ret;
+
+	return sysfs_emit(buf, "0x%x\n", status);
+}
+static DEVICE_ATTR_RO(status);
+
+static struct attribute *zynqmp_fpga_attrs[] = {
+	&dev_attr_status.attr,
+	NULL,
+};
+ATTRIBUTE_GROUPS(zynqmp_fpga);
+
 static const struct fpga_manager_ops zynqmp_fpga_ops = {
 	.state = zynqmp_fpga_ops_state,
 	.write_init = zynqmp_fpga_ops_write_init,
@@ -95,12 +115,9 @@ static int zynqmp_fpga_probe(struct platform_device *pdev)
 
 	priv->dev = dev;
 
-	mgr = devm_fpga_mgr_create(dev, "Xilinx ZynqMP FPGA Manager",
-				   &zynqmp_fpga_ops, priv);
-	if (!mgr)
-		return -ENOMEM;
-
-	return devm_fpga_mgr_register(dev, mgr);
+	mgr = devm_fpga_mgr_register(dev, "Xilinx ZynqMP FPGA Manager",
+				     &zynqmp_fpga_ops, priv);
+	return PTR_ERR_OR_ZERO(mgr);
 }
 
 #ifdef CONFIG_OF
@@ -116,6 +133,7 @@ static struct platform_driver zynqmp_fpga_driver = {
 	.driver = {
 		.name = "zynqmp_fpga_manager",
 		.of_match_table = of_match_ptr(zynqmp_fpga_of_match),
+		.dev_groups = zynqmp_fpga_groups,
 	},
 };