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Commit 71b05252 authored by Rajesh Sastrula's avatar Rajesh Sastrula
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msm: camera: isp: Fix race condition in reset 



 Notify the caller only after clearing the interrupts
 when reset done response received.

Change-Id: I4c108473a35274ca6a5c585bd0f183aac2345320
Signed-off-by: default avatarRajesh Sastrula <vrajesh@codeaurora.org>
parent 34dc2654

drivers/media/platform/msm/camera/cam_isp/isp_hw_mgr/isp_hw/vfe_hw/cam_vfe_core.c

+3 −3
Original line number Diff line number Diff line
@@ -125,9 +125,6 @@ int cam_vfe_reset_irq_top_half(uint32_t evt_id, 
	CAM_DBG(CAM_ISP, "IRQ status_0 = 0x%x", th_payload->evt_status_arr[0]);



	if (th_payload->evt_status_arr[0] & (1<<31)) {

		CAM_DBG(CAM_ISP, "Calling Complete for RESET CMD");

		complete(handler_priv->reset_complete);



		/*

		 * Clear All IRQs to avoid spurious IRQs immediately

		 * after Reset Done.
@@ -135,6 +132,9 @@ int cam_vfe_reset_irq_top_half(uint32_t evt_id, 
		cam_io_w(0xFFFFFFFF, handler_priv->mem_base + 0x64);

		cam_io_w(0xFFFFFFFF, handler_priv->mem_base + 0x68);

		cam_io_w(0x1, handler_priv->mem_base + 0x58);

		CAM_DBG(CAM_ISP, "Calling Complete for RESET CMD");

		complete(handler_priv->reset_complete);





		rc = 0;

	}