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path: root/drivers/spmi/spmi-devres.c
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Diffstat (limited to 'drivers/spmi/spmi-devres.c')
-rw-r--r--drivers/spmi/spmi-devres.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/spmi/spmi-devres.c b/drivers/spmi/spmi-devres.c
new file mode 100644
index 00000000000000..62c4b3f24d0656
--- /dev/null
+++ b/drivers/spmi/spmi-devres.c
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2023 Google LLC.
+ */
+
+#include <linux/device.h>
+#include <linux/spmi.h>
+
+static void devm_spmi_controller_release(struct device *parent, void *res)
+{
+ spmi_controller_put(*(struct spmi_controller **)res);
+}
+
+struct spmi_controller *devm_spmi_controller_alloc(struct device *parent, size_t size)
+{
+ struct spmi_controller **ptr, *ctrl;
+
+ ptr = devres_alloc(devm_spmi_controller_release, sizeof(*ptr), GFP_KERNEL);
+ if (!ptr)
+ return ERR_PTR(-ENOMEM);
+
+ ctrl = spmi_controller_alloc(parent, size);
+ if (IS_ERR(ctrl)) {
+ devres_free(ptr);
+ return ctrl;
+ }
+
+ *ptr = ctrl;
+ devres_add(parent, ptr);
+
+ return ctrl;
+}
+EXPORT_SYMBOL_GPL(devm_spmi_controller_alloc);
+
+static void devm_spmi_controller_remove(struct device *parent, void *res)
+{
+ spmi_controller_remove(*(struct spmi_controller **)res);
+}
+
+int devm_spmi_controller_add(struct device *parent, struct spmi_controller *ctrl)
+{
+ struct spmi_controller **ptr;
+ int ret;
+
+ ptr = devres_alloc(devm_spmi_controller_remove, sizeof(*ptr), GFP_KERNEL);
+ if (!ptr)
+ return -ENOMEM;
+
+ ret = spmi_controller_add(ctrl);
+ if (ret) {
+ devres_free(ptr);
+ return ret;
+ }
+
+ *ptr = ctrl;
+ devres_add(parent, ptr);
+
+ return 0;
+
+}
+EXPORT_SYMBOL_GPL(devm_spmi_controller_add);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("SPMI devres helpers");