MIPS: JZ4740: read intc base address from DT
Read the base address of the SoC interrupt controller from the device
tree rather than relying upon the JZ4740_INTC_BASE_ADDR macro, in order
to remove the dependency on the asm/mach-jz4740/base.h header.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: Brian Norris <computersforpeace@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/10145/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/jz4740/irq.c b/arch/mips/jz4740/irq.c
index 7ad6688..8b7df9a 100644
--- a/arch/mips/jz4740/irq.c
+++ b/arch/mips/jz4740/irq.c
@@ -18,14 +18,13 @@
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
+#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/timex.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <asm/io.h>
-
-#include <asm/mach-jz4740/base.h>
#include <asm/mach-jz4740/irq.h>
#include "irq.h"
@@ -114,7 +113,11 @@
goto out_unmap_irq;
intc->num_chips = num_chips;
- intc->base = ioremap(JZ4740_INTC_BASE_ADDR, 0x14);
+ intc->base = of_iomap(node, 0);
+ if (!intc->base) {
+ err = -ENODEV;
+ goto out_unmap_irq;
+ }
for (i = 0; i < num_chips; i++) {
/* Mask all irqs */