From: Colin Ian King Date: Mon, 18 Sep 2017 14:24:44 +0000 (-0400) Subject: media: cxusb: pass buf as a const u8 * pointer and make buf static const X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=cee32edb2302b6199dd763d44573f6b4f220f0e8;p=openwrt%2Fstaging%2Fblogic.git 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 Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- 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,