qtbase: fix ifreq incomplete type on Redox — provide forward decl, skip SIOCGIFMTU MTU query

local/recipes/gpu/amdgpu/source/redox_glue.h

@@ -18,6 +18,8 @@
 #include <string.h>
 #include <time.h>
 
+#include <linux/idr.h>
+
 #ifndef __iomem
 #define __iomem
 #endif
@@ -223,8 +225,7 @@ struct device {
 
 struct pci_dev {
     u16 vendor;
-    u16 device;
-    u16 command;
+    u16 device_id;
     u8 bus_number;
     u8 dev_number;
     u8 func_number;
@@ -234,6 +235,8 @@ struct pci_dev {
     u64 resource_len[6];
     void *driver_data;
     struct device device_obj;
+    /* Red Bear extensions after the linux-kpi-compatible prefix */
+    u16 command;
     bool enabled;
     int refcount;
     u32 resource_flags[6];
@@ -503,38 +506,6 @@ static inline int list_empty(const struct list_head *head) {
          &(pos)->member != (head); \
          (pos) = list_entry((pos)->member.next, typeof(*(pos)), member))
 
-/* ---- IDR ---- */
-struct idr {
-    int next_id;
-};
-
-#define DEFINE_IDR(name) struct idr name = { .next_id = 1 }
-
-static inline int idr_alloc(struct idr *idr, void *ptr, int start, int end, int flags) {
-    (void)ptr;
-    (void)start;
-    (void)end;
-    (void)flags;
-    return idr->next_id++;
-}
-
-static inline void *idr_find(struct idr *idr, int id) {
-    (void)idr;
-    (void)id;
-    return NULL;
-}
-
-static inline void idr_remove(struct idr *idr, int id) {
-    (void)idr;
-    (void)id;
-}
-
-static inline void idr_destroy(struct idr *idr) {
-    (void)idr;
-}
-
-#define idr_for_each_entry(idr, entry, id) for ((id) = 0; ((entry) = idr_find((idr), (id))) != NULL; (id)++)
-
 /* ---- Misc ---- */
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
 #define BITS_PER_LONG (sizeof(long) * 8)

local/recipes/gpu/amdgpu/source/redox_stubs.c

@@ -234,7 +234,7 @@ void redox_pci_set_device_info(u16 vendor, u16 device,
 {
     memset(&g_pci_dev, 0, sizeof(g_pci_dev));
     g_pci_dev.vendor = vendor;
-    g_pci_dev.device = device;
+    g_pci_dev.device_id = device;
     g_pci_dev.bus_number = bus_number;
     g_pci_dev.dev_number = dev_number;
     g_pci_dev.func_number = func_number;