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resource: add bus number support

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Add support for bus number resources.  This is for bridges with a range of
bus numbers behind them.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bjorn Helgaas 2010-03-05 10:47:42 -07:00 • committed by Len Brown
parent cd7e9fcd1f
commit 0f4050c7d3
2 changed files with 10 additions and 0 deletions
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9
lib/vsprintf.c
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@ -609,6 +609,12 @@ static char *resource_string(char *buf, char *end, struct resource *res,
.precision = -1,
.flags = SPECIAL | SMALL | ZEROPAD,
};
static const struct printf_spec bus_spec = {
.base = 16,
.field_width = 2,
.precision = -1,
.flags = SMALL | ZEROPAD,
};
static const struct printf_spec dec_spec = {
.base = 10,
.precision = -1,
@ -651,6 +657,9 @@ static char *resource_string(char *buf, char *end, struct resource *res,
} else if (res->flags & IORESOURCE_DMA) {
p = string(p, pend, "dma ", str_spec);
specp = &dec_spec;
} else if (res->flags & IORESOURCE_BUS) {
p = string(p, pend, "bus ", str_spec);
specp = &bus_spec;
} else {
p = string(p, pend, "??? ", str_spec);
specp = &mem_spec;