Hi developers,
i made a patch for an PXA270-evalboard with DM9000
ethernet contoller. The Interrupt can be high- or low-
active dependant of the wiring of the MDC-(57)pin.
Because of this hardware dependency you shoud be able
to configure this behaviour in "struct resource dm9000_resources[]"
Please comment an review my patch which is attached here
Thanksalot
Jürgen Schindele
diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index 24996da..0a71f7b 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -598,10 +598,11 @@ static int
dm9000_open(struct net_device *dev)
{
board_info_t *db = (board_info_t *) dev->priv;
+ unsigned long sa_flags = resource_sa_flags(db->irq_res);
PRINTK2("entering dm9000_open\n");
- if (request_irq(dev->irq, &dm9000_interrupt, SA_SHIRQ, dev->name, dev))
+ if (request_irq(dev->irq, &dm9000_interrupt, SA_SHIRQ | sa_flags,
dev->name, dev))
return -EAGAIN;
/* Initialize DM9000 board */
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index cd6bd00..2eebd91 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -54,6 +54,12 @@ #define IORESOURCE_IRQ_LOWEDGE (1<<1)
#define IORESOURCE_IRQ_HIGHLEVEL (1<<2)
#define IORESOURCE_IRQ_LOWLEVEL (1<<3)
+/* this macro gets back SA_TRIGGER_* bits
+ * defined in include/linux/signal.h from
+ * resource->flags which are the same as
+ * IORESOURCE_IRQ_* bits */
+#define resource_sa_flags(res) ((res)->flags & 0xf)
+
/* ISA PnP DMA specific bits (IORESOURCE_BITS) */
#define IORESOURCE_DMA_TYPE_MASK (3<<0)
#define IORESOURCE_DMA_8BIT (0<<0)
-
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