ARM: OMAP: smartreflex: fix IRQ handling bug
commit 5a4f1844c2ba21f804d7729306d9b16eaeb724a8 upstream.
Fix a bug which has been on this driver since
it was added by the original commit 984aa6db
which would never clear IRQSTATUS bits.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c
index fb7dc52..f5a6bc1 100644
--- a/arch/arm/mach-omap2/smartreflex.c
+++ b/arch/arm/mach-omap2/smartreflex.c
@@ -137,7 +137,7 @@
sr_write_reg(sr_info, ERRCONFIG_V1, status);
} else if (sr_info->ip_type == SR_TYPE_V2) {
/* Read the status bits */
- sr_read_reg(sr_info, IRQSTATUS);
+ status = sr_read_reg(sr_info, IRQSTATUS);
/* Clear them by writing back */
sr_write_reg(sr_info, IRQSTATUS, status);