[SERIAL] mark several serial tables const
This patch marks a few serial data structures const, moving them to
.rodata where they won't false-share cachelines with things that get
written to.
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c
index 2c7d3ef..7ce0c7e 100644
--- a/drivers/serial/serial_cs.c
+++ b/drivers/serial/serial_cs.c
@@ -85,7 +85,7 @@
int multi; /* 1 = multifunction, > 1 = # ports */
};
-static struct multi_id multi_id[] = {
+static const struct multi_id multi_id[] = {
{ MANFID_OMEGA, PRODID_OMEGA_QSP_100, 4 },
{ MANFID_QUATECH, PRODID_QUATECH_DUAL_RS232, 2 },
{ MANFID_QUATECH, PRODID_QUATECH_DUAL_RS232_D1, 2 },
@@ -354,8 +354,8 @@
static int simple_config(dev_link_t *link)
{
- static kio_addr_t base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
- static int size_table[2] = { 8, 16 };
+ static const kio_addr_t base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
+ static const int size_table[2] = { 8, 16 };
client_handle_t handle = link->handle;
struct serial_info *info = link->priv;
struct serial_cfg_mem *cfg_mem;