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authorMichael Ellerman <michael@ellerman.id.au>2012-08-03 12:23:15 +1000
committerHerbert Xu <herbert@gondor.apana.org.au>2012-08-20 16:28:12 +0800
commit33b58b01ac2b7aadbd5143c74b029aee0ce9ac33 (patch)
treed8753c31600bf01cf9d452eba3a9d0a128ba3989 /drivers/crypto/nx
parent023af608254add7ba037cd634cc5f2fb21ff6420 (diff)
downloadblackbird-op-linux-33b58b01ac2b7aadbd5143c74b029aee0ce9ac33.tar.gz
blackbird-op-linux-33b58b01ac2b7aadbd5143c74b029aee0ce9ac33.zip
crypto: nx - Remove virt_to_abs() usage in nx-842.c
virt_to_abs() is just a wrapper around __pa(), use __pa() directly. We should be including <asm/page.h> to get __pa(). abs_addr.h will be removed shortly so drop that. We were getting of.h via abs_addr.h so we need to include that directly. Having done all that, clean up the ordering of the includes. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Acked-by: Seth Jennings <sjenning@linux.vnet.ibm.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/nx')
-rw-r--r--drivers/crypto/nx/nx-842.c34
1 files changed, 18 insertions, 16 deletions
diff --git a/drivers/crypto/nx/nx-842.c b/drivers/crypto/nx/nx-842.c
index 9da0fb2d3f64..0ce625738677 100644
--- a/drivers/crypto/nx/nx-842.c
+++ b/drivers/crypto/nx/nx-842.c
@@ -21,13 +21,15 @@
* Seth Jennings <sjenning@linux.vnet.ibm.com>
*/
+#include <linux/kernel.h>
#include <linux/module.h>
-#include <asm/vio.h>
-#include <asm/pSeries_reconfig.h>
-#include <linux/slab.h>
-#include <asm/abs_addr.h>
#include <linux/nx842.h>
-#include <linux/kernel.h>
+#include <linux/of.h>
+#include <linux/slab.h>
+
+#include <asm/page.h>
+#include <asm/pSeries_reconfig.h>
+#include <asm/vio.h>
#include "nx_csbcpb.h" /* struct nx_csbcpb */
@@ -140,7 +142,7 @@ static unsigned long nx842_get_desired_dma(struct vio_dev *viodev)
}
struct nx842_slentry {
- unsigned long ptr; /* Absolute address (use virt_to_abs()) */
+ unsigned long ptr; /* Real address (use __pa()) */
unsigned long len;
};
@@ -167,7 +169,7 @@ static int nx842_build_scatterlist(unsigned long buf, int len,
entry = sl->entries;
while (len) {
- entry->ptr = virt_to_abs(buf);
+ entry->ptr = __pa(buf);
nextpage = ALIGN(buf + 1, NX842_HW_PAGE_SIZE);
if (nextpage < buf + len) {
/* we aren't at the end yet */
@@ -369,8 +371,8 @@ int nx842_compress(const unsigned char *in, unsigned int inlen,
op.flags = NX842_OP_COMPRESS;
csbcpb = &workmem->csbcpb;
memset(csbcpb, 0, sizeof(*csbcpb));
- op.csbcpb = virt_to_abs(csbcpb);
- op.out = virt_to_abs(slout.entries);
+ op.csbcpb = __pa(csbcpb);
+ op.out = __pa(slout.entries);
for (i = 0; i < hdr->blocks_nr; i++) {
/*
@@ -400,13 +402,13 @@ int nx842_compress(const unsigned char *in, unsigned int inlen,
*/
if (likely(max_sync_size == NX842_HW_PAGE_SIZE)) {
/* Create direct DDE */
- op.in = virt_to_abs(inbuf);
+ op.in = __pa(inbuf);
op.inlen = max_sync_size;
} else {
/* Create indirect DDE (scatterlist) */
nx842_build_scatterlist(inbuf, max_sync_size, &slin);
- op.in = virt_to_abs(slin.entries);
+ op.in = __pa(slin.entries);
op.inlen = -nx842_get_scatterlist_size(&slin);
}
@@ -564,7 +566,7 @@ int nx842_decompress(const unsigned char *in, unsigned int inlen,
op.flags = NX842_OP_DECOMPRESS;
csbcpb = &workmem->csbcpb;
memset(csbcpb, 0, sizeof(*csbcpb));
- op.csbcpb = virt_to_abs(csbcpb);
+ op.csbcpb = __pa(csbcpb);
/*
* max_sync_size may have changed since compression,
@@ -596,12 +598,12 @@ int nx842_decompress(const unsigned char *in, unsigned int inlen,
if (likely((inbuf & NX842_HW_PAGE_MASK) ==
((inbuf + hdr->sizes[i] - 1) & NX842_HW_PAGE_MASK))) {
/* Create direct DDE */
- op.in = virt_to_abs(inbuf);
+ op.in = __pa(inbuf);
op.inlen = hdr->sizes[i];
} else {
/* Create indirect DDE (scatterlist) */
nx842_build_scatterlist(inbuf, hdr->sizes[i] , &slin);
- op.in = virt_to_abs(slin.entries);
+ op.in = __pa(slin.entries);
op.inlen = -nx842_get_scatterlist_size(&slin);
}
@@ -612,12 +614,12 @@ int nx842_decompress(const unsigned char *in, unsigned int inlen,
*/
if (likely(max_sync_size == NX842_HW_PAGE_SIZE)) {
/* Create direct DDE */
- op.out = virt_to_abs(outbuf);
+ op.out = __pa(outbuf);
op.outlen = max_sync_size;
} else {
/* Create indirect DDE (scatterlist) */
nx842_build_scatterlist(outbuf, max_sync_size, &slout);
- op.out = virt_to_abs(slout.entries);
+ op.out = __pa(slout.entries);
op.outlen = -nx842_get_scatterlist_size(&slout);
}
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