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Diffstat (limited to 'target/linux/ramips/patches-5.15/110-reset_controller_driver.patch')
-rw-r--r--target/linux/ramips/patches-5.15/110-reset_controller_driver.patch61
1 files changed, 61 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-5.15/110-reset_controller_driver.patch b/target/linux/ramips/patches-5.15/110-reset_controller_driver.patch
new file mode 100644
index 0000000000..6c923d70c3
--- /dev/null
+++ b/target/linux/ramips/patches-5.15/110-reset_controller_driver.patch
@@ -0,0 +1,61 @@
+--- a/arch/mips/ralink/reset.c
++++ b/arch/mips/ralink/reset.c
+@@ -11,6 +11,7 @@
+ #include <linux/of.h>
+ #include <linux/delay.h>
+ #include <linux/reset-controller.h>
++#include <linux/platform_device.h>
+
+ #include <asm/reboot.h>
+
+@@ -65,21 +66,39 @@ static const struct reset_control_ops re
+ .deassert = ralink_deassert_device,
+ };
+
+-static struct reset_controller_dev reset_dev = {
+- .ops = &reset_ops,
+- .owner = THIS_MODULE,
+- .nr_resets = 32,
+- .of_reset_n_cells = 1,
++static int ralink_reset_probe(struct platform_device *pdev)
++{
++ struct reset_controller_dev *rcdev;
++
++ rcdev = devm_kzalloc(&pdev->dev, sizeof(*rcdev), GFP_KERNEL);
++ if (!rcdev)
++ return -ENOMEM;
++
++ rcdev->ops = &reset_ops;
++ rcdev->owner = THIS_MODULE;
++ rcdev->nr_resets = 32;
++ rcdev->of_reset_n_cells = 1;
++ rcdev->of_node = pdev->dev.of_node;
++
++ return devm_reset_controller_register(&pdev->dev, rcdev);
++}
++
++static const struct of_device_id ralink_reset_dt_ids[] = {
++ { .compatible = "ralink,rt2880-reset" },
++ {}
++};
++
++static struct platform_driver ralink_reset_driver = {
++ .probe = ralink_reset_probe,
++ .driver = {
++ .name = "ralink-reset",
++ .of_match_table = ralink_reset_dt_ids,
++ }
+ };
+
+ void ralink_rst_init(void)
+ {
+- reset_dev.of_node = of_find_compatible_node(NULL, NULL,
+- "ralink,rt2880-reset");
+- if (!reset_dev.of_node)
+- pr_err("Failed to find reset controller node");
+- else
+- reset_controller_register(&reset_dev);
++ platform_driver_register(&ralink_reset_driver);
+ }
+
+ static void ralink_restart(char *command)