From: Hari Kanigeri <h-kanigeri2@xxxxxx>
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 <h-kanigeri2@xxxxxx>
Signed-off-by: Armando Uribe <x0095078@xxxxxx>
Signed-off-by: Fernando Guzman Lugo <fernando.lugo@xxxxxx>
---
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
--
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