* [PATCH] input: sidewinder: make array seq static const, makes object smaller
@ 2019-09-05 17:36 Colin King
0 siblings, 0 replies; only message in thread
From: Colin King @ 2019-09-05 17:36 UTC (permalink / raw)
To: Dmitry Torokhov, Greg Kroah-Hartman, linux-input
Cc: kernel-janitors, linux-kernel
From: Colin Ian King <colin.king@canonical.com>
Don't populate the array seq on the stack but instead make it
static const. Makes the object code smaller by 30 bytes.
Before:
text data bss dec hex filename
22284 3184 0 25468 637c drivers/input/joystick/sidewinder.o
After:
text data bss dec hex filename
22158 3280 0 25438 635e drivers/input/joystick/sidewinder.o
(gcc version 9.2.1, amd64)
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
drivers/input/joystick/sidewinder.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/input/joystick/sidewinder.c b/drivers/input/joystick/sidewinder.c
index 0284da874a2b..1777e68c9f02 100644
--- a/drivers/input/joystick/sidewinder.c
+++ b/drivers/input/joystick/sidewinder.c
@@ -223,7 +223,7 @@ static __u64 sw_get_bits(unsigned char *buf, int pos, int num, char bits)
static void sw_init_digital(struct gameport *gameport)
{
- int seq[] = { 140, 140+725, 140+300, 0 };
+ static const int seq[] = { 140, 140+725, 140+300, 0 };
unsigned long flags;
int i, t;
--
2.20.1
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2019-09-05 17:36 [PATCH] input: sidewinder: make array seq static const, makes object smaller Colin King
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