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Subject[PATCH 03/24] Make %pR could handle bus resource with domain
Date
So could use %pR for busn_res with domain nr in start/end

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
---
lib/vsprintf.c | 29 +++++++++++++++++++++++++----
1 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 8e75003..9397998 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -451,6 +451,12 @@ char *resource_string(char *buf, char *end, struct resource *res,
.precision = -1,
.flags = SPECIAL | SMALL | ZEROPAD,
};
+ static const struct printf_spec domain_spec = {
+ .base = 16,
+ .field_width = 4,
+ .precision = -1,
+ .flags = SMALL | ZEROPAD,
+ };
static const struct printf_spec bus_spec = {
.base = 16,
.field_width = 2,
@@ -507,11 +513,26 @@ char *resource_string(char *buf, char *end, struct resource *res,
specp = &mem_spec;
decode = 0;
}
- p = number(p, pend, res->start, *specp);
- if (res->start != res->end) {
- *p++ = '-';
- p = number(p, pend, res->end, *specp);
+
+ if (res->flags & IORESOURCE_BUS && busn_domain_nr(res->end)) {
+ p = number(p, pend, busn_domain_nr(res->start), domain_spec);
+ *p++ = ':';
+ p = number(p, pend, busn_bus_nr(res->start), *specp);
+ if (res->start != res->end) {
+ *p++ = '-';
+ p = number(p, pend, busn_domain_nr(res->end),
+ domain_spec);
+ *p++ = ':';
+ p = number(p, pend, busn_bus_nr(res->end), *specp);
+ }
+ } else {
+ p = number(p, pend, res->start, *specp);
+ if (res->start != res->end) {
+ *p++ = '-';
+ p = number(p, pend, res->end, *specp);
+ }
}
+
if (decode) {
if (res->flags & IORESOURCE_MEM_64)
p = string(p, pend, " 64bit", str_spec);
--
1.7.7


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