xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

nubus: Adopt standard linked list implementation

Browse Source 
This increases code re-use and improves readability.

Cc: "David S. Miller" <davem@davemloft.net>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
This commit is contained in:
Finn Thain
2018-01-13 17:37:13 -05:00
committed by Geert Uytterhoeven
parent 189e19e8cb
commit 41b848160e
7 changed files with 40 additions and 60 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
include/linux/nubus.h
View File

@@ -33,7 +33,6 @@ struct nubus_dirent {
struct nubus_board {
struct nubus_board *next;
struct nubus_rsrc *first_func_rsrc;
/* Only 9-E actually exist, though 0-8 are also theoretically
possible, and 0 is a special case which represents the
@@ -63,8 +62,7 @@ struct nubus_board {
};
struct nubus_rsrc {
/* Next link in list */
struct nubus_rsrc *next;
struct list_head list;
/* The functional resource ID */
unsigned char resid;
@@ -82,7 +80,7 @@ struct nubus_rsrc {
};
/* This is all NuBus functional resources (used to find devices later on) */
extern struct nubus_rsrc *nubus_func_rsrcs;
extern struct list_head nubus_func_rsrcs;
/* This is all NuBus cards */
extern struct nubus_board *nubus_boards;
@@ -115,12 +113,11 @@ static inline void nubus_proc_add_rsrc(struct proc_dir_entry *procdir,
const struct nubus_dirent *ent) {}
#endif
struct nubus_rsrc *nubus_find_type(unsigned short category,
unsigned short type,
const struct nubus_rsrc *from);
struct nubus_rsrc *nubus_first_rsrc_or_null(void);
struct nubus_rsrc *nubus_next_rsrc_or_null(struct nubus_rsrc *from);
struct nubus_rsrc *nubus_find_slot(unsigned int slot,
const struct nubus_rsrc *from);
#define for_each_func_rsrc(f) \
for (f = nubus_first_rsrc_or_null(); f; f = nubus_next_rsrc_or_null(f))
/* These are somewhat more NuBus-specific. They all return 0 for
success and -1 for failure, as you'd expect. */