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omap: mailbox: resolve hang issue

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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@ti.com>
Signed-off-by: Armando Uribe <x0095078@ti.com>
Signed-off-by: Fernando Guzman Lugo <fernando.lugo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Hari Kanigeri 2011-03-02 22:14:18 +00:00 committed by Tony Lindgren
parent dd9c1549ed
commit 525a11381b
1 changed files with 6 additions and 4 deletions
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arch/arm/mach-omap2/mailbox.c
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@ -193,10 +193,12 @@ static void omap2_mbox_disable_irq(struct omap_mbox *mbox,
omap_mbox_type_t irq) omap_mbox_type_t irq)
{ {
struct omap_mbox2_priv *p = mbox->priv; struct omap_mbox2_priv *p = mbox->priv;
u32 l, bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit; u32 bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit;
l = mbox_read_reg(p->irqdisable);
l &= ~bit; if (!cpu_is_omap44xx())
mbox_write_reg(l, p->irqdisable); bit = mbox_read_reg(p->irqdisable) & ~bit;
mbox_write_reg(bit, p->irqdisable);
} }
static void omap2_mbox_ack_irq(struct omap_mbox *mbox, static void omap2_mbox_ack_irq(struct omap_mbox *mbox,