diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index b151b7c1bd59..8f59d88897e7 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -192,7 +192,7 @@ config ICS932S401
 
 config ATMEL_SSC
 	tristate "Device driver for Atmel SSC peripheral"
-	depends on AVR32 || ARCH_AT91
+	depends on HAS_IOMEM
 	---help---
 	  This option enables device driver support for Atmel Synchronized
 	  Serial Communication peripheral (SSC).
diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c
index 158da5a81a66..0cee274e4126 100644
--- a/drivers/misc/atmel-ssc.c
+++ b/drivers/misc/atmel-ssc.c
@@ -167,7 +167,7 @@ static int ssc_probe(struct platform_device *pdev)
 
 	/* disable all interrupts */
 	clk_enable(ssc->clk);
-	ssc_writel(ssc->regs, IDR, ~0UL);
+	ssc_writel(ssc->regs, IDR, -1);
 	ssc_readl(ssc->regs, SR);
 	clk_disable(ssc->clk);