workflows: Use bcm2709_defconfig for dtoverlaycheck

Now that ARCH=arm bcm2711_defconfig has been deleted, update
dtoverlaycheck to use bcm2709_defconfig.

Signed-off-by: Phil Elwell <phil@raspberrypi.com>

Author: pelwell

.github/workflows/dtoverlaycheck.yml

@@ -43,6 +43,6 @@ jobs:
         sudo make install
         cd ${{github.workspace}}
         pwd
-        make ARCH=arm KERNEL=kernel CROSS_COMPILE=arm-linux-gnueabihf- bcm2711_defconfig
+        make ARCH=arm KERNEL=kernel CROSS_COMPILE=arm-linux-gnueabihf- bcm2709_defconfig
         make ARCH=arm KERNEL=kernel CROSS_COMPILE=arm-linux-gnueabihf- dtbs
         ${{env.UTILS_DIR}}/overlaycheck/overlaycheck

drivers/net/ethernet/cadence/macb_main.c

@@ -232,11 +232,22 @@ static void *macb_rx_buffer(struct macb_queue *queue, unsigned int index)
 /* I/O accessors */
 static u32 hw_readl_native(struct macb *bp, int offset)
 {
-	return __raw_readl(bp->regs + offset);
+	static int debug_count = 400;
+	u32 value = __raw_readl(bp->regs + offset);
+	if (debug_count) {
+		debug_count--;
+		printk(KERN_DEBUG "rln: +%04x->%08x\n", offset, value);
+	}
+	return value;
 }
 
 static void hw_writel_native(struct macb *bp, int offset, u32 value)
 {
+	static int debug_count = 400;
+	if (debug_count) {
+		debug_count--;
+		printk(KERN_DEBUG "wln: +%04x<-%08x\n", offset, value);
+	}
 	__raw_writel(value, bp->regs + offset);
 }
 
@@ -1914,6 +1925,7 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id)
 
 	status = queue_readl(queue, ISR);
 
+	printk(KERN_DEBUG "macb:%d,%08x\n", irq, status);
 	if (unlikely(!status))
 		return IRQ_NONE;
 
@@ -2020,6 +2032,7 @@ static irqreturn_t macb_interrupt(int irq, void *dev_id)
 				queue_writel(queue, ISR, MACB_BIT(HRESP));
 		}
 		status = queue_readl(queue, ISR);
+		if (status) printk(KERN_DEBUG "macb: %08x\n", status);
 	}
 
 	spin_unlock(&bp->lock);