[ARM] ecard: add ecardm_iomap() / ecardm_iounmap()

Add devres ecardm_iomap() and ecardm_iounmap() for Acorn expansion
cards.  Convert all expansion card drivers to use them.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 2 insertions, 10 deletions

diff --git a/drivers/scsi/arm/arxescsi.c b/drivers/scsi/arm/arxescsi.c
index 7e132c5bacf8..2836fe248df9 100644
--- a/drivers/scsi/arm/arxescsi.c
+++ b/drivers/scsi/arm/arxescsi.c
@@ -281,7 +281,6 @@ arxescsi_probe(struct expansion_card *ec, const struct ecard_id *id)
 {
         struct Scsi_Host *host;
         struct arxescsi_info *info;
-        unsigned long resbase, reslen;
         void __iomem *base;
         int ret;
 
@@ -289,9 +288,7 @@ arxescsi_probe(struct expansion_card *ec, const struct ecard_id *id)
         if (ret)
                 goto out;
 
-        resbase = ecard_resource_start(ec, ECARD_RES_MEMC);
-        reslen = ecard_resource_len(ec, ECARD_RES_MEMC);
-        base = ioremap(resbase, reslen);
+        base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0);
         if (!base) {
                 ret = -ENOMEM;
                 goto out_region;
@@ -300,7 +297,7 @@ arxescsi_probe(struct expansion_card *ec, const struct ecard_id *id)
         host = scsi_host_alloc(&arxescsi_template, sizeof(struct arxescsi_info));
         if (!host) {
                 ret = -ENOMEM;
-                goto out_unmap;
+                goto out_region;
         }
 
         info = (struct arxescsi_info *)host->hostdata;
@@ -337,8 +334,6 @@ arxescsi_probe(struct expansion_card *ec, const struct ecard_id *id)
         fas216_release(host);
  out_unregister:
         scsi_host_put(host);
- out_unmap:
-        iounmap(base);
  out_region:
         ecard_release_resources(ec);
  out:
@@ -348,13 +343,10 @@ arxescsi_probe(struct expansion_card *ec, const struct ecard_id *id)
 static void __devexit arxescsi_remove(struct expansion_card *ec)
 {
         struct Scsi_Host *host = ecard_get_drvdata(ec);
-        struct arxescsi_info *info = (struct arxescsi_info *)host->hostdata;
 
         ecard_set_drvdata(ec, NULL);
         fas216_remove(host);
 
-        iounmap(info->base);
-
         fas216_release(host);
         scsi_host_put(host);
         ecard_release_resources(ec);