[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>

2 files changed, 9 insertions, 28 deletions

diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c
index 69c949e..66f8262 100644
--- a/drivers/ide/arm/icside.c
+++ b/drivers/ide/arm/icside.c
@@ -565,8 +565,7 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec)
 	ide_hwif_t *hwif;
 	void __iomem *base;
 
-	base = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC),
-		       ecard_resource_len(ec, ECARD_RES_MEMC));
+	base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0);
 	if (!base)
 		return -ENOMEM;
 
@@ -583,10 +582,8 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec)
 	icside_irqdisable_arcin_v5(ec, 0);
 
 	hwif = icside_setup(base, &icside_cardinfo_v5, ec);
-	if (!hwif) {
-		iounmap(base);
+	if (!hwif)
 		return -ENODEV;
-	}
 
 	state->hwif[0] = hwif;
 
@@ -605,8 +602,7 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
 	unsigned int sel = 0;
 	int ret;
 
-	ioc_base = ioremap(ecard_resource_start(ec, ECARD_RES_IOCFAST),
-			   ecard_resource_len(ec, ECARD_RES_IOCFAST));
+	ioc_base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0);
 	if (!ioc_base) {
 		ret = -ENOMEM;
 		goto out;
@@ -615,11 +611,10 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
 	easi_base = ioc_base;
 
 	if (ecard_resource_flags(ec, ECARD_RES_EASI)) {
-		easi_base = ioremap(ecard_resource_start(ec, ECARD_RES_EASI),
-				    ecard_resource_len(ec, ECARD_RES_EASI));
+		easi_base = ecardm_iomap(ec, ECARD_RES_EASI, 0, 0);
 		if (!easi_base) {
 			ret = -ENOMEM;
-			goto unmap_slot;
+			goto out;
 		}
 
 		/*
@@ -648,7 +643,7 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
 
 	if (!hwif || !mate) {
 		ret = -ENODEV;
-		goto unmap_port;
+		goto out;
 	}
 
 	state->hwif[0]    = hwif;
@@ -685,11 +680,6 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
 
 	return 0;
 
- unmap_port:
-	if (easi_base != ioc_base)
-		iounmap(easi_base);
- unmap_slot:
-	iounmap(ioc_base);
  out:
 	return ret;
 }
@@ -715,8 +705,7 @@ icside_probe(struct expansion_card *ec, const struct ecard_id *id)
 	state->type	= ICS_TYPE_NOTYPE;
 	state->dev	= &ec->dev;
 
-	idmem = ioremap(ecard_resource_start(ec, ECARD_RES_IOCFAST),
-			ecard_resource_len(ec, ECARD_RES_IOCFAST));
+	idmem = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0);
 	if (idmem) {
 		unsigned int type;
 
@@ -724,7 +713,7 @@ icside_probe(struct expansion_card *ec, const struct ecard_id *id)
 		type |= (readb(idmem + ICS_IDENT_OFFSET + 4) & 1) << 1;
 		type |= (readb(idmem + ICS_IDENT_OFFSET + 8) & 1) << 2;
 		type |= (readb(idmem + ICS_IDENT_OFFSET + 12) & 1) << 3;
-		iounmap(idmem);
+		ecardm_iounmap(ec, idmem);
 
 		state->type = type;
 	}
@@ -793,11 +782,6 @@ static void __devexit icside_remove(struct expansion_card *ec)
 
 	ecard_set_drvdata(ec, NULL);
 
-	if (state->ioc_base)
-		iounmap(state->ioc_base);
-	if (state->ioc_base != state->irq_port)
-		iounmap(state->irq_port);
-
 	kfree(state);
 	ecard_release_resources(ec);
 }
diff --git a/drivers/ide/arm/rapide.c b/drivers/ide/arm/rapide.c
index 890ea3f..83811af 100644
--- a/drivers/ide/arm/rapide.c
+++ b/drivers/ide/arm/rapide.c
@@ -63,8 +63,7 @@ rapide_probe(struct expansion_card *ec, const struct ecard_id *id)
 	if (ret)
 		goto out;
 
-	base = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC),
-		       ecard_resource_len(ec, ECARD_RES_MEMC));
+	base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0);
 	if (!base) {
 		ret = -ENOMEM;
 		goto release;
@@ -81,7 +80,6 @@ rapide_probe(struct expansion_card *ec, const struct ecard_id *id)
 		goto out;
 	}
 
-	iounmap(base);
  release:
 	ecard_release_resources(ec);
  out:
@@ -96,7 +94,6 @@ static void __devexit rapide_remove(struct expansion_card *ec)
 
 	/* there must be a better way */
 	ide_unregister(hwif - ide_hwifs);
-	iounmap(hwif->hwif_data);
 	ecard_release_resources(ec);
 }