Changeset 718 for GPL/branches/uniaud32-next/lib32/pci.c

Timestamp:

Sep 2, 2022, 4:26:36 AM (3 years ago)

Author:

Paul Smedley

Message:

WIP trying to fix non-HDA Hardware

File:

• GPL/branches/uniaud32-next/lib32/pci.c (modified) (1 diff)

GPL/branches/uniaud32-next/lib32/pci.c

@@ -1180 +1180 @@
 }
 
+struct region_devres {
+        struct resource *parent;
+        resource_size_t start;
+        resource_size_t n;
+};
+
+static void devm_region_release(struct device *dev, void *res)
+{
+        struct region_devres *this = res;
+
+        __release_region(this->parent, this->start, this->n);
+}
+
+struct resource *
+__devm_request_region(struct device *dev, struct resource *parent,
+                      resource_size_t start, resource_size_t n, const char *name)
+{
+        struct region_devres *dr = NULL;
+        struct resource *res;
+
+        dr = devres_alloc(devm_region_release, sizeof(struct region_devres),
+                          GFP_KERNEL);
+        if (!dr)
+                return NULL;
+
+        dr->parent = parent;
+        dr->start = start;
+        dr->n = n;
+
+        res = __request_region(parent, start, n, name);
+        if (res)
+                devres_add(dev, dr);
+        else
+                devres_free(dr);
+
+        return res;
+}
+EXPORT_SYMBOL(__devm_request_region);