evie/android_kernel_oneplus_msm8998
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msm: isp: Prevents interrupt storm on ISPIF overflow.

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Prevents interrupt storm by masking overflow interrupt
in overflow handling.

CRs-Fixed: 1100241
Change-Id: I30cefb14e7562ede3257d227ed4baf892b9fdadd
Signed-off-by: Trishansh Bhardwaj <tbhardwa@codeaurora.org>
This commit is contained in:
Trishansh Bhardwaj 2016-12-15 10:58:13 +05:30 • committed by Gerrit - the friendly Code Review server
parent a6d83d2e8e
commit a8af8f1c13
1 changed files with 6 additions and 0 deletions
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6
drivers/media/platform/msm/camera_v2/ispif/msm_ispif.c
View file

@ -1447,6 +1447,12 @@ static inline void msm_ispif_read_irq_status(struct ispif_irq_status *out,
pr_err_ratelimited("%s: fatal error, stop ispif immediately\n",
__func__);
for (i = 0; i < ispif->vfe_info.num_vfe; i++) {
msm_camera_io_w(0x0,
ispif->base + ISPIF_VFE_m_IRQ_MASK_0(i));
msm_camera_io_w(0x0,
ispif->base + ISPIF_VFE_m_IRQ_MASK_1(i));
msm_camera_io_w(0x0,
ispif->base + ISPIF_VFE_m_IRQ_MASK_2(i));
msm_camera_io_w(ISPIF_STOP_INTF_IMMEDIATELY,
ispif->base + ISPIF_VFE_m_INTF_CMD_0(i));
msm_camera_io_w(ISPIF_STOP_INTF_IMMEDIATELY,