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| author |   Ross Zwisler <ross.zwisler@linux.intel.com> | 2015-08-18 13:55:41 -0600 |
|---|---|---|
| committer |   Dan Williams <dan.j.williams@intel.com> | 2015-08-20 14:07:24 -0400 |
| commit | e2e05394e4a3420dab96f728df4531893494e15d (patch) | |
| tree | ba7d067880cf626ca90856ad6ba703b8c99fc276 /arch/powerpc/sysdev/axonram.c | |
| parent | dax: update I/O path to do proper PMEM flushing (diff) | |
| download | linux-dev-e2e05394e4a3420dab96f728df4531893494e15d.tar.xz linux-dev-e2e05394e4a3420dab96f728df4531893494e15d.zip | |
pmem, dax: have direct_access use __pmem annotation
Update the annotation for the kaddr pointer returned by direct_access()
so that it is a __pmem pointer. This is consistent with the PMEM driver
and with how this direct_access() pointer is used in the DAX code.
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'arch/powerpc/sysdev/axonram.c')
| -rw-r--r-- | arch/powerpc/sysdev/axonram.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c index ee90db17b097..a2be2a66dab6 100644 --- a/arch/powerpc/sysdev/axonram.c +++ b/arch/powerpc/sysdev/axonram.c @@ -141,13 +141,14 @@ axon_ram_make_request(struct request_queue *queue, struct bio *bio) */ static long axon_ram_direct_access(struct block_device *device, sector_t sector, - void **kaddr, unsigned long *pfn, long size) + void __pmem **kaddr, unsigned long *pfn, long size) { struct axon_ram_bank *bank = device->bd_disk->private_data; loff_t offset = (loff_t)sector << AXON_RAM_SECTOR_SHIFT; + void *addr = (void *)(bank->ph_addr + offset); - *kaddr = (void *)(bank->ph_addr + offset); - *pfn = virt_to_phys(*kaddr) >> PAGE_SHIFT; + *kaddr = (void __pmem *)addr; + *pfn = virt_to_phys(addr) >> PAGE_SHIFT; return bank->size - offset; } |