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author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2023-08-04 09:46:36 +0300 |
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committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-18 10:19:00 -0700 |
commit | 3c9d017cc283df0dabf6b16a6cb4574426cbd53b (patch) | |
tree | 6b18eeb78b67fe707b94651a36a6dd2e061b5829 | |
parent | be33db21427c33a4217bd6b805944d2cf84faf25 (diff) | |
download | lwn-3c9d017cc283df0dabf6b16a6cb4574426cbd53b.tar.gz lwn-3c9d017cc283df0dabf6b16a6cb4574426cbd53b.zip |
range.h: Move resource API and constant to respective files
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>
-rw-r--r-- | arch/mips/cavium-octeon/setup.c | 2 | ||||
-rw-r--r-- | arch/x86/pci/amd_bus.c | 8 | ||||
-rw-r--r-- | arch/x86/pci/bus_numa.c | 2 | ||||
-rw-r--r-- | include/linux/limits.h | 2 | ||||
-rw-r--r-- | include/linux/range.h | 8 |
5 files changed, 12 insertions, 10 deletions
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c index c5561016f577..1ad2602a0383 100644 --- a/arch/mips/cavium-octeon/setup.c +++ b/arch/mips/cavium-octeon/setup.c @@ -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; } diff --git a/arch/x86/pci/amd_bus.c b/arch/x86/pci/amd_bus.c index dd40d3fea74e..631512f7ec85 100644 --- a/arch/x86/pci/amd_bus.c +++ b/arch/x86/pci/amd_bus.c @@ -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 diff --git a/arch/x86/pci/bus_numa.c b/arch/x86/pci/bus_numa.c index 2752c02e3f0e..e4a525e59eaf 100644 --- a/arch/x86/pci/bus_numa.c +++ b/arch/x86/pci/bus_numa.c @@ -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) diff --git a/include/linux/limits.h b/include/linux/limits.h index f6bcc9369010..38eb7f6f7e88 100644 --- a/include/linux/limits.h +++ b/include/linux/limits.h @@ -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)) diff --git a/include/linux/range.h b/include/linux/range.h index 7efb6a9b069b..6ad0b73cb7ad 100644 --- a/include/linux/range.h +++ b/include/linux/range.h @@ -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 |