From mboxrd@z Thu Jan 1 00:00:00 1970 From: Carl Vanderlip Date: Fri, 18 Mar 2011 21:58:58 +0000 Subject: [PATCH 14/20] video: msm: Write IRQ mask to MDP registers Message-Id: <1300485538-27479-1-git-send-email-carlv@codeaurora.org> List-Id: References: <1300484846-26393-1-git-send-email-carlv@codeaurora.org> In-Reply-To: <1300484846-26393-1-git-send-email-carlv@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-arm-kernel@lists.infradead.org Writing MDP IRQ mask to the MDP IRQ register to fully disable interrupt. Authors: Dima Zavin Rebecca Schultz Zavin Colin Cross Signed-off-by: Carl Vanderlip --- 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.