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Diffstat (limited to 'arch/powerpc/sysdev/axonram.c')
-rw-r--r--arch/powerpc/sysdev/axonram.c34
1 files changed, 15 insertions, 19 deletions
diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c
index 1636dd89670..47b6b9f81d4 100644
--- a/arch/powerpc/sysdev/axonram.c
+++ b/arch/powerpc/sysdev/axonram.c
@@ -25,7 +25,6 @@
#include <linux/bio.h>
#include <linux/blkdev.h>
-#include <linux/buffer_head.h>
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/fs.h>
@@ -104,39 +103,36 @@ axon_ram_irq_handler(int irq, void *dev)
* axon_ram_make_request - make_request() method for block device
* @queue, @bio: see blk_queue_make_request()
*/
-static int
+static void
axon_ram_make_request(struct request_queue *queue, struct bio *bio)
{
struct axon_ram_bank *bank = bio->bi_bdev->bd_disk->private_data;
unsigned long phys_mem, phys_end;
void *user_mem;
- struct bio_vec *vec;
+ struct bio_vec vec;
unsigned int transfered;
- unsigned short idx;
- int rc = 0;
+ struct bvec_iter iter;
- phys_mem = bank->io_addr + (bio->bi_sector << AXON_RAM_SECTOR_SHIFT);
+ phys_mem = bank->io_addr + (bio->bi_iter.bi_sector <<
+ AXON_RAM_SECTOR_SHIFT);
phys_end = bank->io_addr + bank->size;
transfered = 0;
- bio_for_each_segment(vec, bio, idx) {
- if (unlikely(phys_mem + vec->bv_len > phys_end)) {
+ bio_for_each_segment(vec, bio, iter) {
+ if (unlikely(phys_mem + vec.bv_len > phys_end)) {
bio_io_error(bio);
- rc = -ERANGE;
- break;
+ return;
}
- user_mem = page_address(vec->bv_page) + vec->bv_offset;
+ user_mem = page_address(vec.bv_page) + vec.bv_offset;
if (bio_data_dir(bio) == READ)
- memcpy(user_mem, (void *) phys_mem, vec->bv_len);
+ memcpy(user_mem, (void *) phys_mem, vec.bv_len);
else
- memcpy((void *) phys_mem, user_mem, vec->bv_len);
+ memcpy((void *) phys_mem, user_mem, vec.bv_len);
- phys_mem += vec->bv_len;
- transfered += vec->bv_len;
+ phys_mem += vec.bv_len;
+ transfered += vec.bv_len;
}
bio_endio(bio, 0);
-
- return rc;
}
/**
@@ -203,7 +199,7 @@ static int axon_ram_probe(struct platform_device *device)
goto failed;
}
- bank->size = resource.end - resource.start + 1;
+ bank->size = resource_size(&resource);
if (bank->size == 0) {
dev_err(&device->dev, "No DDR2 memory found for %s%d\n",
@@ -216,7 +212,7 @@ static int axon_ram_probe(struct platform_device *device)
AXON_RAM_DEVICE_NAME, axon_ram_bank_id, bank->size >> 20);
bank->ph_addr = resource.start;
- bank->io_addr = (unsigned long) ioremap_flags(
+ bank->io_addr = (unsigned long) ioremap_prot(
bank->ph_addr, bank->size, _PAGE_NO_CACHE);
if (bank->io_addr == 0) {
dev_err(&device->dev, "ioremap() failed\n");