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| author |   Jiri Slaby <jslaby@suse.cz> | 2020-06-15 09:48:35 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-06-24 17:08:31 +0200 |
| commit | 77bc14f273c2dfecbf87f41fdc00345d99597e13 (patch) | |
| tree | e343f0d17484052cc52aa66b2ea5c11f9b6d4ff2 /drivers/video/console | |
| parent | vt: introduce enum vc_intensity for intensity (diff) | |
| download | wireguard-linux-77bc14f273c2dfecbf87f41fdc00345d99597e13.tar.xz wireguard-linux-77bc14f273c2dfecbf87f41fdc00345d99597e13.zip | |
vc: switch state to bool
The code currently uses bitfields to store true-false values. Switch all
of that to bools. Apart from the cleanup, it saves 20B of code as many
shifts, ANDs, and ORs became simple movzb's.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20200615074910.19267-3-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/video/console')
| -rw-r--r-- | drivers/video/console/mdacon.c | 11 | ||||
| -rw-r--r-- | drivers/video/console/sticon.c | 3 | ||||
| -rw-r--r-- | drivers/video/console/vgacon.c | 3 |
3 files changed, 10 insertions, 7 deletions
diff --git a/drivers/video/console/mdacon.c b/drivers/video/console/mdacon.c index e3da664df16c..00cb6245fbef 100644 --- a/drivers/video/console/mdacon.c +++ b/drivers/video/console/mdacon.c @@ -396,7 +396,8 @@ static inline u16 mda_convert_attr(u16 ch) static u8 mdacon_build_attr(struct vc_data *c, u8 color, enum vc_intensity intensity, - u8 blink, u8 underline, u8 reverse, u8 italic) + bool blink, bool underline, bool reverse, + bool italic) { /* The attribute is just a bit vector: * @@ -407,10 +408,10 @@ static u8 mdacon_build_attr(struct vc_data *c, u8 color, */ return (intensity & VCI_MASK) | - ((underline & 1) << 2) | - ((reverse & 1) << 3) | - (!!italic << 4) | - ((blink & 1) << 7); + (underline << 2) | + (reverse << 3) | + (italic << 4) | + (blink << 7); } static void mdacon_invert_region(struct vc_data *c, u16 *p, int count) diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c index a847067abbe5..bbcdfd312c36 100644 --- a/drivers/video/console/sticon.c +++ b/drivers/video/console/sticon.c @@ -290,7 +290,8 @@ static unsigned long sticon_getxy(struct vc_data *conp, unsigned long pos, static u8 sticon_build_attr(struct vc_data *conp, u8 color, enum vc_intensity intens, - u8 blink, u8 underline, u8 reverse, u8 italic) + bool blink, bool underline, bool reverse, + bool italic) { u8 attr = ((color & 0x70) >> 1) | ((color & 7)); diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index d0b26e2318d3..c1c4ce28ac5e 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -631,7 +631,8 @@ static void vgacon_deinit(struct vc_data *c) static u8 vgacon_build_attr(struct vc_data *c, u8 color, enum vc_intensity intensity, - u8 blink, u8 underline, u8 reverse, u8 italic) + bool blink, bool underline, bool reverse, + bool italic) { u8 attr = color; |