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| author | Colin Ian King <colin.king@canonical.com> | 2017-09-18 16:24:44 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-12-08 16:05:41 +0100 |
| commit | cee32edb2302b6199dd763d44573f6b4f220f0e8 (patch) | |
| tree | e66e462afa954299109ba3974c9c53de5a53c567 | |
| parent | media: solo6x10: hide unused variable (diff) | |
| download | linux-cee32edb2302b6199dd763d44573f6b4f220f0e8.tar.xz linux-cee32edb2302b6199dd763d44573f6b4f220f0e8.zip | |
media: cxusb: pass buf as a const u8 * pointer and make buf static const
Don't populate the read-only u8 array buf on the stack at run time but
instead make it static const; makes object code smaller saving over 480
bytes:
Before:
text data bss dec hex filename
33030 65936 192 99158 18356 drivers/media/usb/dvb-usb/cxusb.o
After:
text data bss dec hex filename
32446 66032 192 98670 1816e drivers/media/usb/dvb-usb/cxusb.o
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
| -rw-r--r-- | drivers/media/usb/dvb-usb/cxusb.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/media/usb/dvb-usb/cxusb.c b/drivers/media/usb/dvb-usb/cxusb.c index 37dea0adc695..247dc164dd63 100644 --- a/drivers/media/usb/dvb-usb/cxusb.c +++ b/drivers/media/usb/dvb-usb/cxusb.c @@ -56,7 +56,7 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); #define deb_i2c(args...) dprintk(dvb_usb_cxusb_debug, 0x02, args) static int cxusb_ctrl_msg(struct dvb_usb_device *d, - u8 cmd, u8 *wbuf, int wlen, u8 *rbuf, int rlen) + u8 cmd, const u8 *wbuf, int wlen, u8 *rbuf, int rlen) { struct cxusb_state *st = d->priv; int ret; @@ -290,7 +290,8 @@ static int cxusb_aver_power_ctrl(struct dvb_usb_device *d, int onoff) /* FIXME: We don't know why, but we need to configure the * lgdt3303 with the register settings below on resume */ int i; - u8 buf, bufs[] = { + u8 buf; + static const u8 bufs[] = { 0x0e, 0x2, 0x00, 0x7f, 0x0e, 0x2, 0x02, 0xfe, 0x0e, 0x2, 0x02, 0x01, |