[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>

4 files changed, 8 insertions, 40 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);
diff --git a/drivers/scsi/arm/cumana_2.c b/drivers/scsi/arm/cumana_2.c
index f51aa3446bc7..68a64123af8f 100644
--- a/drivers/scsi/arm/cumana_2.c
+++ b/drivers/scsi/arm/cumana_2.c
@@ -401,7 +401,6 @@ cumanascsi2_probe(struct expansion_card *ec, const struct ecard_id *id)
 {
         struct Scsi_Host *host;
         struct cumanascsi2_info *info;
-        unsigned long resbase, reslen;
         void __iomem *base;
         int ret;
 
@@ -409,9 +408,7 @@ cumanascsi2_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;
@@ -421,7 +418,7 @@ cumanascsi2_probe(struct expansion_card *ec, const struct ecard_id *id)
                                sizeof(struct cumanascsi2_info));
         if (!host) {
                 ret = -ENOMEM;
-                goto out_unmap;
+                goto out_region;
         }
 
         ecard_set_drvdata(ec, host);
@@ -490,9 +487,6 @@ cumanascsi2_probe(struct expansion_card *ec, const struct ecard_id *id)
  out_free:
         scsi_host_put(host);
 
- out_unmap:
-        iounmap(base);
-
  out_region:
         ecard_release_resources(ec);
 
@@ -512,8 +506,6 @@ static void __devexit cumanascsi2_remove(struct expansion_card *ec)
                 free_dma(info->info.scsi.dma);
         free_irq(ec->irq, info);
 
-        iounmap(info->base);
-
         fas216_release(host);
         scsi_host_put(host);
         ecard_release_resources(ec);
diff --git a/drivers/scsi/arm/eesox.c b/drivers/scsi/arm/eesox.c
index cc5d513aa99a..bb2477b3fb0b 100644
--- a/drivers/scsi/arm/eesox.c
+++ b/drivers/scsi/arm/eesox.c
@@ -519,7 +519,6 @@ eesoxscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
 {
         struct Scsi_Host *host;
         struct eesoxscsi_info *info;
-        unsigned long resbase, reslen;
         void __iomem *base;
         int ret;
 
@@ -527,9 +526,7 @@ eesoxscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
         if (ret)
                 goto out;
 
-        resbase = ecard_resource_start(ec, ECARD_RES_IOCFAST);
-        reslen = ecard_resource_len(ec, ECARD_RES_IOCFAST);
-        base = ioremap(resbase, reslen);
+        base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0);
         if (!base) {
                 ret = -ENOMEM;
                 goto out_region;
@@ -539,7 +536,7 @@ eesoxscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
                                sizeof(struct eesoxscsi_info));
         if (!host) {
                 ret = -ENOMEM;
-                goto out_unmap;
+                goto out_region;
         }
 
         ecard_set_drvdata(ec, host);
@@ -612,9 +609,6 @@ eesoxscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
         device_remove_file(&ec->dev, &dev_attr_bus_term);
         scsi_host_put(host);
 
- out_unmap:
-        iounmap(base);
-
  out_region:
         ecard_release_resources(ec);
 
@@ -636,8 +630,6 @@ static void __devexit eesoxscsi_remove(struct expansion_card *ec)
 
         device_remove_file(&ec->dev, &dev_attr_bus_term);
 
-        iounmap(info->base);
-
         fas216_release(host);
         scsi_host_put(host);
         ecard_release_resources(ec);
diff --git a/drivers/scsi/arm/powertec.c b/drivers/scsi/arm/powertec.c
index 3cbd525b58c5..d9a546d1917c 100644
--- a/drivers/scsi/arm/powertec.c
+++ b/drivers/scsi/arm/powertec.c
@@ -313,7 +313,6 @@ powertecscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
 {
         struct Scsi_Host *host;
         struct powertec_info *info;
-        unsigned long resbase, reslen;
         void __iomem *base;
         int ret;
 
@@ -321,9 +320,7 @@ powertecscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
         if (ret)
                 goto out;
 
-        resbase = ecard_resource_start(ec, ECARD_RES_IOCFAST);
-        reslen = ecard_resource_len(ec, ECARD_RES_IOCFAST);
-        base = ioremap(resbase, reslen);
+        base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0);
         if (!base) {
                 ret = -ENOMEM;
                 goto out_region;
@@ -333,7 +330,7 @@ powertecscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
                                sizeof (struct powertec_info));
         if (!host) {
                 ret = -ENOMEM;
-                goto out_unmap;
+                goto out_region;
         }
 
         ecard_set_drvdata(ec, host);
@@ -404,9 +401,6 @@ powertecscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
         device_remove_file(&ec->dev, &dev_attr_bus_term);
         scsi_host_put(host);
 
- out_unmap:
-        iounmap(base);
-
  out_region:
         ecard_release_resources(ec);
 
@@ -428,8 +422,6 @@ static void __devexit powertecscsi_remove(struct expansion_card *ec)
                 free_dma(info->info.scsi.dma);
         free_irq(ec->irq, info);
 
-        iounmap(info->base);
-
         fas216_release(host);
         scsi_host_put(host);
         ecard_release_resources(ec);