On 11/03/2010 09:53 AM, cdhmanning@xxxxxxxxx wrote:
From: Charles Manning<cdhmanning@xxxxxxxxx>
[...]
--- /dev/null
+++ b/fs/yaffs2/yaffs_ecc.c
[...]
+
+/* Count the bits in an unsigned char or a U32 */
+
+static int yaffs_count_bits(unsigned char x)
+{
+ int r = 0;
+ while (x) {
+ if (x& 1)
+ r++;
+ x>>= 1;
+ }
+ return r;
+}
+
+static int yaffs_count_bits32(unsigned x)
+{
+ int r = 0;
+ while (x) {
+ if (x& 1)
+ r++;
+ x>>= 1;
+ }
+ return r;
+}
+
These two can probably be replaced with the standard hweight32() and
hweight8().
David Daney
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