ALSA: hda - Move generic array helpers to core lib
This will be used by the regmap support.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/hda/Makefile b/sound/hda/Makefile
index eec5da0..e508ba1 100644
--- a/sound/hda/Makefile
+++ b/sound/hda/Makefile
@@ -1,4 +1,5 @@
-snd-hda-core-objs := hda_bus_type.o hdac_bus.o hdac_device.o hdac_sysfs.o
+snd-hda-core-objs := hda_bus_type.o hdac_bus.o hdac_device.o hdac_sysfs.o \
+ array.o
snd-hda-core-objs += trace.o
CFLAGS_trace.o := -I$(src)
diff --git a/sound/hda/array.c b/sound/hda/array.c
new file mode 100644
index 0000000..516795b
--- /dev/null
+++ b/sound/hda/array.c
@@ -0,0 +1,49 @@
+/*
+ * generic arrays
+ */
+
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/hdaudio.h>
+
+/**
+ * snd_array_new - get a new element from the given array
+ * @array: the array object
+ *
+ * Get a new element from the given array. If it exceeds the
+ * pre-allocated array size, re-allocate the array.
+ *
+ * Returns NULL if allocation failed.
+ */
+void *snd_array_new(struct snd_array *array)
+{
+ if (snd_BUG_ON(!array->elem_size))
+ return NULL;
+ if (array->used >= array->alloced) {
+ int num = array->alloced + array->alloc_align;
+ int size = (num + 1) * array->elem_size;
+ void *nlist;
+ if (snd_BUG_ON(num >= 4096))
+ return NULL;
+ nlist = krealloc(array->list, size, GFP_KERNEL | __GFP_ZERO);
+ if (!nlist)
+ return NULL;
+ array->list = nlist;
+ array->alloced = num;
+ }
+ return snd_array_elem(array, array->used++);
+}
+EXPORT_SYMBOL_GPL(snd_array_new);
+
+/**
+ * snd_array_free - free the given array elements
+ * @array: the array object
+ */
+void snd_array_free(struct snd_array *array)
+{
+ kfree(array->list);
+ array->used = 0;
+ array->alloced = 0;
+ array->list = NULL;
+}
+EXPORT_SYMBOL_GPL(snd_array_free);
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 145cae7..10e257f 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -5012,52 +5012,6 @@
}
EXPORT_SYMBOL_GPL(snd_hda_bus_reset);
-/*
- * generic arrays
- */
-
-/**
- * snd_array_new - get a new element from the given array
- * @array: the array object
- *
- * Get a new element from the given array. If it exceeds the
- * pre-allocated array size, re-allocate the array.
- *
- * Returns NULL if allocation failed.
- */
-void *snd_array_new(struct snd_array *array)
-{
- if (snd_BUG_ON(!array->elem_size))
- return NULL;
- if (array->used >= array->alloced) {
- int num = array->alloced + array->alloc_align;
- int size = (num + 1) * array->elem_size;
- void *nlist;
- if (snd_BUG_ON(num >= 4096))
- return NULL;
- nlist = krealloc(array->list, size, GFP_KERNEL | __GFP_ZERO);
- if (!nlist)
- return NULL;
- array->list = nlist;
- array->alloced = num;
- }
- return snd_array_elem(array, array->used++);
-}
-EXPORT_SYMBOL_GPL(snd_array_new);
-
-/**
- * snd_array_free - free the given array elements
- * @array: the array object
- */
-void snd_array_free(struct snd_array *array)
-{
- kfree(array->list);
- array->used = 0;
- array->alloced = 0;
- array->list = NULL;
-}
-EXPORT_SYMBOL_GPL(snd_array_free);
-
/**
* snd_print_pcm_bits - Print the supported PCM fmt bits to the string buffer
* @pcm: PCM caps bits
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 7677616..3068163 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -30,36 +30,6 @@
#include <sound/hda_verbs.h>
/*
- * generic arrays
- */
-struct snd_array {
- unsigned int used;
- unsigned int alloced;
- unsigned int elem_size;
- unsigned int alloc_align;
- void *list;
-};
-
-void *snd_array_new(struct snd_array *array);
-void snd_array_free(struct snd_array *array);
-static inline void snd_array_init(struct snd_array *array, unsigned int size,
- unsigned int align)
-{
- array->elem_size = size;
- array->alloc_align = align;
-}
-
-static inline void *snd_array_elem(struct snd_array *array, unsigned int idx)
-{
- return array->list + idx * array->elem_size;
-}
-
-static inline unsigned int snd_array_index(struct snd_array *array, void *ptr)
-{
- return (unsigned long)(ptr - array->list) / array->elem_size;
-}
-
-/*
* Structures
*/