Commit cb3592be authored by Arjan van de Ven's avatar Arjan van de Ven Committed by Russell King

[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: default avatarArjan van de Ven <arjan@infradead.org>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent f5417612
...@@ -102,7 +102,7 @@ static unsigned int share_irqs = SERIAL8250_SHARE_IRQS; ...@@ -102,7 +102,7 @@ static unsigned int share_irqs = SERIAL8250_SHARE_IRQS;
#define SERIAL_PORT_DFNS #define SERIAL_PORT_DFNS
#endif #endif
static struct old_serial_port old_serial_port[] = { static const struct old_serial_port old_serial_port[] = {
SERIAL_PORT_DFNS /* defined in asm/serial.h */ SERIAL_PORT_DFNS /* defined in asm/serial.h */
}; };
......
...@@ -468,7 +468,7 @@ static unsigned short timedia_eight_port[] = { ...@@ -468,7 +468,7 @@ static unsigned short timedia_eight_port[] = {
0x9167, 0x9168, 0xA066, 0xA167, 0xA168, 0 0x9167, 0x9168, 0xA066, 0xA167, 0xA168, 0
}; };
static struct timedia_struct { static const struct timedia_struct {
int num; int num;
unsigned short *ids; unsigned short *ids;
} timedia_data[] = { } timedia_data[] = {
......
...@@ -1779,7 +1779,7 @@ struct baud_rates { ...@@ -1779,7 +1779,7 @@ struct baud_rates {
unsigned int cflag; unsigned int cflag;
}; };
static struct baud_rates baud_rates[] = { static const struct baud_rates baud_rates[] = {
{ 921600, B921600 }, { 921600, B921600 },
{ 460800, B460800 }, { 460800, B460800 },
{ 230400, B230400 }, { 230400, B230400 },
......
...@@ -85,7 +85,7 @@ struct multi_id { ...@@ -85,7 +85,7 @@ struct multi_id {
int multi; /* 1 = multifunction, > 1 = # ports */ 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_OMEGA, PRODID_OMEGA_QSP_100, 4 },
{ MANFID_QUATECH, PRODID_QUATECH_DUAL_RS232, 2 }, { MANFID_QUATECH, PRODID_QUATECH_DUAL_RS232, 2 },
{ MANFID_QUATECH, PRODID_QUATECH_DUAL_RS232_D1, 2 }, { MANFID_QUATECH, PRODID_QUATECH_DUAL_RS232_D1, 2 },
...@@ -354,8 +354,8 @@ next_tuple(client_handle_t handle, tuple_t * tuple, cisparse_t * parse) ...@@ -354,8 +354,8 @@ next_tuple(client_handle_t handle, tuple_t * tuple, cisparse_t * parse)
static int simple_config(dev_link_t *link) static int simple_config(dev_link_t *link)
{ {
static kio_addr_t base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 }; static const kio_addr_t base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
static int size_table[2] = { 8, 16 }; static const int size_table[2] = { 8, 16 };
client_handle_t handle = link->handle; client_handle_t handle = link->handle;
struct serial_info *info = link->priv; struct serial_info *info = link->priv;
struct serial_cfg_mem *cfg_mem; struct serial_cfg_mem *cfg_mem;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment