diff options
| author |   Arjan van de Ven <arjan@infradead.org> | 2005-11-29 09:43:42 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2006-01-04 13:51:40 -0800 |
| commit | 4c4c9432a6c916729c7296c47fe93b053a73e20c (patch) | |
| tree | 7f02f456359259da8bae5e3d32fc4411311ee135 /drivers/usb/class/cdc-acm.c | |
| parent | [PATCH] USB: drivers/usb/misc/sisusbvga/sisusb.c: remove dead code (diff) | |
| download | linux-dev-4c4c9432a6c916729c7296c47fe93b053a73e20c.tar.xz linux-dev-4c4c9432a6c916729c7296c47fe93b053a73e20c.zip | |
[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>
Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 93de121f52a8..248279e44c99 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -658,7 +658,7 @@ static int acm_tty_ioctl(struct tty_struct *tty, struct file *file, unsigned int return -ENOIOCTLCMD; } -static __u32 acm_tty_speed[] = { +static const __u32 acm_tty_speed[] = { 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800, 500000, 576000, @@ -666,7 +666,7 @@ static __u32 acm_tty_speed[] = { 2500000, 3000000, 3500000, 4000000 }; -static __u8 acm_tty_size[] = { +static const __u8 acm_tty_size[] = { 5, 6, 7, 8 }; |