* [PATCH v1] io-mapping: Use PHYS_PFN() macro in io_mapping_map_atomic_wc()
@ 2019-12-09 16:56 Andy Shevchenko
0 siblings, 0 replies; 2+ messages in thread
From: Andy Shevchenko @ 2019-12-09 16:56 UTC (permalink / raw)
To: Andrew Morton, linux-kernel; +Cc: Andy Shevchenko
Use PHYS_PFN() macro in io_mapping_map_atomic_wc() instead of
open coded variant.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
include/linux/io-mapping.h | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/include/linux/io-mapping.h b/include/linux/io-mapping.h
index 6e125e9b4187..837058bc1c9f 100644
--- a/include/linux/io-mapping.h
+++ b/include/linux/io-mapping.h
@@ -28,6 +28,7 @@ struct io_mapping {
#ifdef CONFIG_HAVE_ATOMIC_IOMAP
+#include <linux/pfn.h>
#include <asm/iomap.h>
/*
* For small address space machines, mapping large objects
@@ -64,12 +65,10 @@ io_mapping_map_atomic_wc(struct io_mapping *mapping,
unsigned long offset)
{
resource_size_t phys_addr;
- unsigned long pfn;
BUG_ON(offset >= mapping->size);
phys_addr = mapping->base + offset;
- pfn = (unsigned long) (phys_addr >> PAGE_SHIFT);
- return iomap_atomic_prot_pfn(pfn, mapping->prot);
+ return iomap_atomic_prot_pfn(PHYS_PFN(phys_addr), mapping->prot);
}
static inline void
--
2.24.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH v1] io-mapping: Use PHYS_PFN() macro in io_mapping_map_atomic_wc()
@ 2019-06-26 13:39 Andy Shevchenko
0 siblings, 0 replies; 2+ messages in thread
From: Andy Shevchenko @ 2019-06-26 13:39 UTC (permalink / raw)
To: Thomas Gleixner, linux-kernel; +Cc: Andy Shevchenko
Use PHYS_PFN() macro in io_mapping_map_atomic_wc() instead of
open coded variant.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
include/linux/io-mapping.h | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/include/linux/io-mapping.h b/include/linux/io-mapping.h
index 6e125e9b4187..837058bc1c9f 100644
--- a/include/linux/io-mapping.h
+++ b/include/linux/io-mapping.h
@@ -28,6 +28,7 @@ struct io_mapping {
#ifdef CONFIG_HAVE_ATOMIC_IOMAP
+#include <linux/pfn.h>
#include <asm/iomap.h>
/*
* For small address space machines, mapping large objects
@@ -64,12 +65,10 @@ io_mapping_map_atomic_wc(struct io_mapping *mapping,
unsigned long offset)
{
resource_size_t phys_addr;
- unsigned long pfn;
BUG_ON(offset >= mapping->size);
phys_addr = mapping->base + offset;
- pfn = (unsigned long) (phys_addr >> PAGE_SHIFT);
- return iomap_atomic_prot_pfn(pfn, mapping->prot);
+ return iomap_atomic_prot_pfn(PHYS_PFN(phys_addr), mapping->prot);
}
static inline void
--
2.20.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2019-12-09 16:56 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-12-09 16:56 [PATCH v1] io-mapping: Use PHYS_PFN() macro in io_mapping_map_atomic_wc() Andy Shevchenko
-- strict thread matches above, loose matches on Subject: below --
2019-06-26 13:39 Andy Shevchenko
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).