UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

vt: remove superfluous parens in invert_screen and build_attr 

There were too many parentheses in invert_screen, remove them and align
the code in invert_screen a bit.

No functional change intended.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20200615074910.19267-27-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby 2020-06-15 09:48:59 +02:00 committed by Greg Kroah-Hartman
parent c0e4b3ad67
commit faace51b63
1 changed files with 7 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/tty/vt/vt.c
View File

@ -730,7 +730,7 @@ static u8 build_attr(struct vc_data *vc, u8 _color,
else if (_intensity == VCI_HALF_BRIGHT)
a = (a & 0xf0) | vc->vc_halfcolor;
if (_reverse)
a = ((a) & 0x88) | ((((a) >> 4) | ((a) << 4)) & 0x77);
a = (a & 0x88) | (((a >> 4) | (a << 4)) & 0x77);
if (_blink)
a ^= 0x80;
if (_intensity == VCI_BOLD)
@ -777,14 +777,18 @@ void invert_screen(struct vc_data *vc, int offset, int count, int viewed)
} else if (vc->vc_hi_font_mask == 0x100) {
while (cnt--) {
a = scr_readw(q);
a = ((a) & 0x11ff) | (((a) & 0xe000) >> 4) | (((a) & 0x0e00) << 4);
a = (a & 0x11ff) |
((a & 0xe000) >> 4) |
((a & 0x0e00) << 4);
scr_writew(a, q);
q++;
}
} else {
while (cnt--) {
a = scr_readw(q);
a = ((a) & 0x88ff) | (((a) & 0x7000) >> 4) | (((a) & 0x0700) << 4);
a = (a & 0x88ff) |
((a & 0x7000) >> 4) |
((a & 0x0700) << 4);
scr_writew(a, q);
q++;
}