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Commit 3c49d3af authored by Trishansh Bhardwaj's avatar Trishansh Bhardwaj Committed by Gerrit - the friendly Code Review server
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msm: isp: Prevents interrupt storm on ISPIF overflow. 



Prevents interrupt storm by masking overflow interrupt
in overflow handling.

CRs-Fixed: 1100241
Change-Id: I30cefb14e7562ede3257d227ed4baf892b9fdadd
Signed-off-by: default avatarTrishansh Bhardwaj <tbhardwa@codeaurora.org>
parent d044c402

drivers/media/platform/msm/camera_v2/ispif/msm_ispif.c

+6 −0
Original line number Diff line number Diff line
@@ -1323,6 +1323,12 @@ 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,