drivers/net: decouple ISA and ISA_DMA_API

The two options are separate, and some platforms (e.g. arm pxa)
have ISA slots but no ISA dma controller, so they cannot build
drivers using the DMA API functions.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/tokenring/Kconfig

@@ -98,7 +98,7 @@ config 3C359
 
 config TMS380TR
 	tristate "Generic TMS380 Token Ring ISA/PCI adapter support"
-	depends on PCI || ISA && ISA_DMA_API || MCA
+	depends on PCI || ISA || MCA
 	select FW_LOADER
 	---help---
 	  This driver provides generic support for token ring adapters
@@ -137,7 +137,7 @@ config TMSPCI
 
 config SKISA
 	tristate "SysKonnect TR4/16 ISA support"
-	depends on TMS380TR && ISA
+	depends on TMS380TR && ISA && ISA_DMA_API
 	help
 	  This tms380 module supports SysKonnect TR4/16 ISA cards.
 
@@ -149,7 +149,7 @@ config SKISA
 
 config PROTEON
 	tristate "Proteon ISA support"
-	depends on TMS380TR && ISA
+	depends on TMS380TR && ISA && ISA_DMA_API
 	help
 	  This tms380 module supports Proteon ISA cards.
 

drivers/net/tokenring/tms380tr.c

@@ -254,7 +254,7 @@ int tms380tr_open(struct net_device *dev)
 
 	/* Reset the hardware here. Don't forget to set the station address. */
 
-#ifdef CONFIG_ISA
+#if defined(CONFIG_ISA) && defined(CONFIG_ISA_DMA_API)
 	if(dev->dma > 0) 
 	{
 		unsigned long flags=claim_dma_lock();
@@ -1126,7 +1126,7 @@ int tms380tr_close(struct net_device *dev)
 	del_timer(&tp->timer);
 	tms380tr_disable_interrupts(dev);
 
-#ifdef CONFIG_ISA
+#if defined(CONFIG_ISA) && defined(CONFIG_ISA_DMA_API)
 	if(dev->dma > 0) 
 	{
 		unsigned long flags=claim_dma_lock();