[PATCH v3 2/3] memory: da8xx-ddrctl: drop the call to of_flat_dt_get_machine_name()

[Bartosz Golaszewski]

In order to avoid a section mismatch use a locally implemented routine
instead of of_flat_dt_get_machine_name() when printing the error
message.

Signed-off-by: Bartosz Golaszewski <bgolaszew...@baylibre.com>
---
 drivers/memory/da8xx-ddrctl.c | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/drivers/memory/da8xx-ddrctl.c b/drivers/memory/da8xx-ddrctl.c
index a20e7bb..1b962ee 100644
--- a/drivers/memory/da8xx-ddrctl.c
+++ b/drivers/memory/da8xx-ddrctl.c
@@ -14,7 +14,6 @@
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
-#include <linux/of_fdt.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
 
@@ -71,6 +70,26 @@ static const struct da8xx_ddrctl_board_settings 
da8xx_ddrctl_board_confs[] = {
        },
 };
 
+/*
+ * FIXME Remove this function once of/base gets a general routine for getting
+ * the machine model/compatible string.
+ */
+static const char *da8xx_ddrctl_machine_get_compatible(void)
+{
+       struct device_node *root;
+       const char *compatible;
+       int ret = -1;
+
+       root = of_find_node_by_path("/");
+       if (root) {
+               ret = of_property_read_string_index(root, "compatible",
+                                                   0, &compatible);
+               of_node_put(root);
+       }
+
+       return ret ? NULL : compatible;
+}
+
 static const struct da8xx_ddrctl_config_knob *
 da8xx_ddrctl_match_knob(const struct da8xx_ddrctl_setting *setting)
 {
@@ -118,7 +137,7 @@ static int da8xx_ddrctl_probe(struct platform_device *pdev)
        setting = da8xx_ddrctl_get_board_settings();
        if (!setting) {
                dev_err(dev, "no settings for board '%s'\n",
-                       of_flat_dt_get_machine_name());
+                       da8xx_ddrctl_machine_get_compatible());
                return -EINVAL;
        }
 
-- 
2.9.3