powerpc/crypto: Remove users of virt_to_abs() and phys_to_abs() in nx crypto driver
authorMichael Ellerman <michael@ellerman.id.au>
Wed, 25 Jul 2012 21:19:48 +0000 (21:19 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Wed, 5 Sep 2012 05:18:42 +0000 (15:18 +1000)
phys_to_abs() is a nop, don't use it.

virt_to_abs() is just a wrapper around __pa(), call __pa() directly.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
drivers/crypto/nx/nx.c

index d7f179cc2e984ae17d3888db194b309edfa2bb21..638110efae9bede0b58e2f4f2b2315e73d07402d 100644 (file)
@@ -34,7 +34,6 @@
 #include <linux/device.h>
 #include <linux/of.h>
 #include <asm/pSeries_reconfig.h>
-#include <asm/abs_addr.h>
 #include <asm/hvcall.h>
 #include <asm/vio.h>
 
@@ -104,10 +103,10 @@ struct nx_sg *nx_build_sg_list(struct nx_sg *sg_head,
        /* determine the start and end for this address range - slightly
         * different if this is in VMALLOC_REGION */
        if (is_vmalloc_addr(start_addr))
-               sg_addr = phys_to_abs(page_to_phys(vmalloc_to_page(start_addr)))
+               sg_addr = page_to_phys(vmalloc_to_page(start_addr))
                          + offset_in_page(sg_addr);
        else
-               sg_addr = virt_to_abs(sg_addr);
+               sg_addr = __pa(sg_addr);
 
        end_addr = sg_addr + len;
 
@@ -265,17 +264,17 @@ void nx_ctx_init(struct nx_crypto_ctx *nx_ctx, unsigned int function)
        nx_ctx->csbcpb->csb.valid |= NX_CSB_VALID_BIT;
 
        nx_ctx->op.flags = function;
-       nx_ctx->op.csbcpb = virt_to_abs(nx_ctx->csbcpb);
-       nx_ctx->op.in = virt_to_abs(nx_ctx->in_sg);
-       nx_ctx->op.out = virt_to_abs(nx_ctx->out_sg);
+       nx_ctx->op.csbcpb = __pa(nx_ctx->csbcpb);
+       nx_ctx->op.in = __pa(nx_ctx->in_sg);
+       nx_ctx->op.out = __pa(nx_ctx->out_sg);
 
        if (nx_ctx->csbcpb_aead) {
                nx_ctx->csbcpb_aead->csb.valid |= NX_CSB_VALID_BIT;
 
                nx_ctx->op_aead.flags = function;
-               nx_ctx->op_aead.csbcpb = virt_to_abs(nx_ctx->csbcpb_aead);
-               nx_ctx->op_aead.in = virt_to_abs(nx_ctx->in_sg);
-               nx_ctx->op_aead.out = virt_to_abs(nx_ctx->out_sg);
+               nx_ctx->op_aead.csbcpb = __pa(nx_ctx->csbcpb_aead);
+               nx_ctx->op_aead.in = __pa(nx_ctx->in_sg);
+               nx_ctx->op_aead.out = __pa(nx_ctx->out_sg);
        }
 }