Writing MDP IRQ mask to the MDP IRQ register to fully disable interrupt. Authors: Dima Zavin <[email protected]> Rebecca Schultz Zavin <[email protected]> Colin Cross <[email protected]>
Signed-off-by: Carl Vanderlip <[email protected]> --- drivers/video/msm/mdp.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/drivers/video/msm/mdp.c b/drivers/video/msm/mdp.c index bdca2d9..8184ca9 100644 --- a/drivers/video/msm/mdp.c +++ b/drivers/video/msm/mdp.c @@ -59,9 +59,13 @@ static int locked_enable_mdp_irq(struct mdp_info *mdp, uint32_t mask) enable_irq(mdp->irq); } + /* clear out any previous irqs for the requested mask*/ + mdp_writel(mdp, mask, MDP_INTR_CLEAR); + /* update the irq mask to reflect the fact that the interrupt is * enabled */ mdp_irq_mask |= mask; + mdp_writel(mdp, mdp_irq_mask, MDP_INTR_ENABLE); return 0; } @@ -87,6 +91,8 @@ static int locked_disable_mdp_irq(struct mdp_info *mdp, uint32_t mask) /* update the irq mask to reflect the fact that the interrupt is * disabled */ mdp_irq_mask &= ~(mask); + mdp_writel(mdp, mdp_irq_mask, MDP_INTR_ENABLE); + /* if no one is waiting on the interrupt, disable it */ if (!mdp_irq_mask) { disable_irq_nosync(mdp->irq); -- Sent by an employee of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum. -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
