From: Hari Kanigeri <[email protected]>

omap4 interrupt disable bits is different. On rx kfifo full, the mbox rx
interrupts wasn't getting disabled, and this is causing the rcm stress tests
to hang.

Signed-off-by: Hari Kanigeri <[email protected]>
Signed-off-by: Armando Uribe <[email protected]>
Signed-off-by: Fernando Guzman Lugo <[email protected]>
---
 arch/arm/mach-omap2/mailbox.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
index 394413d..011ca50 100644
--- a/arch/arm/mach-omap2/mailbox.c
+++ b/arch/arm/mach-omap2/mailbox.c
@@ -193,10 +193,12 @@ static void omap2_mbox_disable_irq(struct omap_mbox *mbox,
                omap_mbox_type_t irq)
 {
        struct omap_mbox2_priv *p = mbox->priv;
-       u32 l, bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit;
-       l = mbox_read_reg(p->irqdisable);
-       l &= ~bit;
-       mbox_write_reg(l, p->irqdisable);
+       u32 bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit;
+
+       if (!cpu_is_omap44xx())
+               bit = mbox_read_reg(p->irqdisable) & ~bit;
+
+       mbox_write_reg(bit, p->irqdisable);
 }
 
 static void omap2_mbox_ack_irq(struct omap_mbox *mbox,
-- 
1.7.0.4

--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to