So could use %pR for busn_res with domain nr in start/end
Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/vsprintf.c | 28 ++++++++++++++++++++++++----
1 files changed, 24 insertions(+), 4 deletions(-)
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 8e75003..b34eeea 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 +513,25 @@ 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 && res->end >> 8) {
+ p = number(p, pend, res->start >> 8, domain_spec);
+ *p++ = ':';
+ p = number(p, pend, res->start & 0xff, *specp);
+ if (res->start != res->end) {
+ *p++ = '-';
+ p = number(p, pend, res->end >> 8, domain_spec);
+ *p++ = ':';
+ p = number(p, pend, res->end & 0xff, *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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