[PATCH] USB: mark various usb tables const
patch below marks various USB tables and variables as const so that they
end up in .rodata section and don't cacheline share with things that get
written to. For the non-array variables it also allows gcc to optimize
more.
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/input/fixp-arith.h b/drivers/usb/input/fixp-arith.h
index 26ca5b8..b44d398 100644
--- a/drivers/usb/input/fixp-arith.h
+++ b/drivers/usb/input/fixp-arith.h
@@ -38,7 +38,7 @@
#define FRAC_MASK ((1<<FRAC_N)-1)
// Not to be used directly. Use fixp_{cos,sin}
-static fixp_t cos_table[45] = {
+static const fixp_t cos_table[45] = {
0x0100, 0x00FF, 0x00FF, 0x00FE, 0x00FD, 0x00FC, 0x00FA, 0x00F8,
0x00F6, 0x00F3, 0x00F0, 0x00ED, 0x00E9, 0x00E6, 0x00E2, 0x00DD,
0x00D9, 0x00D4, 0x00CF, 0x00C9, 0x00C4, 0x00BE, 0x00B8, 0x00B1,