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dio: Update DIO_SCMAX comment

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DIO-II support was added in 2004, update a comment to reflect this.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://patch.msgid.link/5aa3901baaa5d145804e1a836dd8ee3fb07ea144.1777897387.git.geert@linux-m68k.org
This commit is contained in:
Geert Uytterhoeven 2026-05-04 14:27:05 +02:00
parent 334cad0401
commit e321561b91
1 changed files with 1 additions and 3 deletions
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4
include/linux/dio.h
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@ -112,9 +112,7 @@ struct dio_driver {
#define DIOII_END 0x20000000 /* end of DIO-II space */
#define DIOII_DEVSIZE 0x00400000 /* size of a DIO-II device */
/* Highest valid select code. If we add DIO-II support this should become
* 256 for everything except HP320, which only has DIO.
*/
/* highest valid select code */
#define DIO_SCMAX (hp300_model == HP_320 ? 32 : 256)
#define DIOII_SCBASE 132 /* lowest DIO-II select code */
#define DIO_SCINHOLE(scode) (((scode) >= 32) && ((scode) < DIOII_SCBASE))