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| author | Jeff Dike <jdike@addtoit.com> | 2006-10-02 02:17:18 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-02 07:57:14 -0700 |
| commit | b68e31d0ebbcc909d1941f9f230c9d062a3a13d3 (patch) | |
| tree | b32902e5de02081cbb9eca49d7bb0b444e2b4f23 /drivers/serial | |
| parent | ed97bd37efd8ff7398d3a7eedf4bcbf245f5dad3 (diff) | |
| download | lwn-b68e31d0ebbcc909d1941f9f230c9d062a3a13d3.tar.gz lwn-b68e31d0ebbcc909d1941f9f230c9d062a3a13d3.zip | |
[PATCH] const struct tty_operations
As part of an SMP cleanliness pass over UML, I consted a bunch of
structures in order to not have to document their locking. One of these
structures was a struct tty_operations. In order to const it in UML
without introducing compiler complaints, the declaration of
tty_set_operations needs to be changed, and then all of its callers need to
be fixed.
This patch declares all struct tty_operations in the tree as const. In all
cases, they are static and used only as input to tty_set_operations. As an
extra check, I ran an i386 allyesconfig build which produced no extra
warnings.
53 drivers are affected. I checked the history of a bunch of them, and in
most cases, there have been only a handful of maintenance changes in the
last six months. serial_core.c was the busiest one that I looked at.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/68328serial.c | 2 | ||||
| -rw-r--r-- | drivers/serial/68360serial.c | 2 | ||||
| -rw-r--r-- | drivers/serial/crisv10.c | 2 | ||||
| -rw-r--r-- | drivers/serial/mcfserial.c | 2 | ||||
| -rw-r--r-- | drivers/serial/serial_core.c | 2 |
5 files changed, 5 insertions, 5 deletions
diff --git a/drivers/serial/68328serial.c b/drivers/serial/68328serial.c index 993a702422ec..bac853c5abb5 100644 --- a/drivers/serial/68328serial.c +++ b/drivers/serial/68328serial.c @@ -1378,7 +1378,7 @@ void startup_console(void) #endif /* CONFIG_PM_LEGACY */ -static struct tty_operations rs_ops = { +static const struct tty_operations rs_ops = { .open = rs_open, .close = rs_close, .write = rs_write, diff --git a/drivers/serial/68360serial.c b/drivers/serial/68360serial.c index e80e70e9b126..1b299e8c57cd 100644 --- a/drivers/serial/68360serial.c +++ b/drivers/serial/68360serial.c @@ -2424,7 +2424,7 @@ long console_360_init(long kmem_start, long kmem_end) */ static int baud_idx; -static struct tty_operations rs_360_ops = { +static const struct tty_operations rs_360_ops = { .owner = THIS_MODULE, .open = rs_360_open, .close = rs_360_close, diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c index cabd048c8636..9851d9eff022 100644 --- a/drivers/serial/crisv10.c +++ b/drivers/serial/crisv10.c @@ -4825,7 +4825,7 @@ show_serial_version(void) /* rs_init inits the driver at boot (using the module_init chain) */ -static struct tty_operations rs_ops = { +static const struct tty_operations rs_ops = { .open = rs_open, .close = rs_close, .write = rs_write, diff --git a/drivers/serial/mcfserial.c b/drivers/serial/mcfserial.c index 832abd3c4706..00d7859c167e 100644 --- a/drivers/serial/mcfserial.c +++ b/drivers/serial/mcfserial.c @@ -1666,7 +1666,7 @@ static void show_serial_version(void) printk(mcfrs_drivername); } -static struct tty_operations mcfrs_ops = { +static const struct tty_operations mcfrs_ops = { .open = mcfrs_open, .close = mcfrs_close, .write = mcfrs_write, diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index 5f7ba1adb309..de5e8930a6fd 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -2111,7 +2111,7 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state, } } -static struct tty_operations uart_ops = { +static const struct tty_operations uart_ops = { .open = uart_open, .close = uart_close, .write = uart_write, |