Commit 0f4050c7 authored by Bjorn Helgaas's avatar Bjorn Helgaas Committed by Len Brown
Browse files

resource: add bus number support 



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

Signed-off-by: default avatarBjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent cd7e9fcd

include/linux/ioport.h

+1 −0
Original line number Diff line number Diff line
@@ -39,6 +39,7 @@ struct resource_list { 
#define IORESOURCE_MEM		0x00000200

#define IORESOURCE_IRQ		0x00000400

#define IORESOURCE_DMA		0x00000800

#define IORESOURCE_BUS		0x00001000



#define IORESOURCE_PREFETCH	0x00002000	/* No side effects */

#define IORESOURCE_READONLY	0x00004000

lib/vsprintf.c

+9 −0
Original line number Diff line number Diff line
@@ -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;