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range.h: Move resource API and constant to respective files

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range.h works with struct range data type. The resource_size_t
is an alien here.

(1) Move cap_resource() implementation into its only user, and
(2) rename and move RESOURCE_SIZE_MAX to limits.h.

Link: https://lkml.kernel.org/r/20230804064636.15368-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Cc: Borislav Petkov (AMD) <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Andy Shevchenko 2023-08-04 09:46:36 +03:00 committed by Andrew Morton
parent be33db2142
commit 3c9d017cc2
5 changed files with 12 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/mips/cavium-octeon/setup.c
View File

@ -1240,7 +1240,7 @@ static int __init octeon_no_pci_init(void)
*/
octeon_dummy_iospace = vzalloc(IO_SPACE_LIMIT);
set_io_port_base((unsigned long)octeon_dummy_iospace);
ioport_resource.start = MAX_RESOURCE;
ioport_resource.start = RESOURCE_SIZE_MAX;
ioport_resource.end = 0;
return 0;
}

8
arch/x86/pci/amd_bus.c
View File

@ -51,6 +51,14 @@ static struct pci_root_info __init *find_pci_root_info(int node, int link)
return NULL;
}
static inline resource_size_t cap_resource(u64 val)
{
if (val > RESOURCE_SIZE_MAX)
return RESOURCE_SIZE_MAX;
return val;
}
/**
* early_root_info_init()
* called before pcibios_scan_root and pci_scan_bus

2
arch/x86/pci/bus_numa.c
View File

@ -101,7 +101,7 @@ void update_res(struct pci_root_info *info, resource_size_t start,
if (start > end)
return;
if (start == MAX_RESOURCE)
if (start == RESOURCE_SIZE_MAX)
return;
if (!merge)

2
include/linux/limits.h
View File

@ -10,6 +10,8 @@
#define SSIZE_MAX ((ssize_t)(SIZE_MAX >> 1))
#define PHYS_ADDR_MAX (~(phys_addr_t)0)
#define RESOURCE_SIZE_MAX ((resource_size_t)~0)
#define U8_MAX ((u8)~0U)
#define S8_MAX ((s8)(U8_MAX >> 1))
#define S8_MIN ((s8)(-S8_MAX - 1))

8
include/linux/range.h
View File

@ -31,12 +31,4 @@ int clean_sort_range(struct range *range, int az);
void sort_range(struct range *range, int nr_range);
#define MAX_RESOURCE ((resource_size_t)~0)
static inline resource_size_t cap_resource(u64 val)
{
if (val > MAX_RESOURCE)
return MAX_RESOURCE;
return val;
}
#endif