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[2/8] fbdev: sm712fb: use type "u8" for 8-bit I/O.

Message ID 20190202061648.30374-3-tomli@tomli.me (mailing list archive)
State New, archived
Headers show
Series fbdev: sm712fb: implement 2D acceleration w/ cleanups. | expand

Commit Message

Yifeng Li Feb. 2, 2019, 6:16 a.m. UTC 
This commit converts "unsigned int" and "int" in I/O wrappers
to "u8". It improves readability since it's consistent with
the prototypes of readb() and writeb(). More importantly, it
reduces readers' confusion, since the upcoming 2D acceleration
code will use a different wordsize.

Signed-off-by: Yifeng Li <tomli@tomli.me>
---
 drivers/video/fbdev/sm712.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
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Patch

diff --git a/drivers/video/fbdev/sm712.h b/drivers/video/fbdev/sm712.h
index 99077e91ae10..942019dc816a 100644
--- a/drivers/video/fbdev/sm712.h
+++ b/drivers/video/fbdev/sm712.h
@@ -63,19 +63,19 @@  extern void __iomem *smtc_regbaseaddress;
 #define SIZE_CR30_CR4D      (0x4D - 0x30 + 1)
 #define SIZE_CR90_CRA7      (0xA7 - 0x90 + 1)
 
-static inline void smtc_crtcw(int reg, int val)
+static inline void smtc_crtcw(u8 reg, u8 val)
 {
 	smtc_mmiowb(reg, 0x3d4);
 	smtc_mmiowb(val, 0x3d5);
 }
 
-static inline void smtc_grphw(int reg, int val)
+static inline void smtc_grphw(u8 reg, u8 val)
 {
 	smtc_mmiowb(reg, 0x3ce);
 	smtc_mmiowb(val, 0x3cf);
 }
 
-static inline void smtc_attrw(int reg, int val)
+static inline void smtc_attrw(u8 reg, u8 val)
 {
 	smtc_mmiorb(0x3da);
 	smtc_mmiowb(reg, 0x3c0);
@@ -83,13 +83,13 @@  static inline void smtc_attrw(int reg, int val)
 	smtc_mmiowb(val, 0x3c0);
 }
 
-static inline void smtc_seqw(int reg, int val)
+static inline void smtc_seqw(u8 reg, u8 val)
 {
 	smtc_mmiowb(reg, 0x3c4);
 	smtc_mmiowb(val, 0x3c5);
 }
 
-static inline unsigned int smtc_seqr(int reg)
+static inline u8 smtc_seqr(u8 reg)
 {
 	smtc_mmiowb(reg, 0x3c4);
 	return smtc_mmiorb(0x3c5);