Merge tag 'amd-drm-next-6.5-2023-06-09' of https://gitlab.freedesktop.org/agd5f/linux...

[J-linux.git] / drivers / fpga / zynqmp-fpga.c

diff --git a/drivers/fpga/zynqmp-fpga.c b/drivers/fpga/zynqmp-fpga.c
index 7d3d5650c32207940459cdbfa7eda4733beafbf7..f3434e2c487bf223579dee125729b1d470eb1457 100644 (file)
--- 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,
        },
 };