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Commit 1a72c865 authored by Karthik Anantha Ram's avatar Karthik Anantha Ram
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msm: camera: icp: Disable A5 clk gating 



Disable clk gating for all HW verisions

Change-Id: I8fbb04d46461be55c1b8109282131c26710d075a
Signed-off-by: default avatarKarthik Anantha Ram <kartanan@codeaurora.org>
parent 1873019e

drivers/media/platform/msm/camera/cam_icp/hfi.c

+7 −2
Original line number Diff line number Diff line
@@ -385,10 +385,15 @@ int cam_hfi_init(uint8_t event_driven_mode, struct hfi_mem_info *hfi_mem, 
		ICP_FLAG_CSR_WAKE_UP_EN | ICP_CSR_EN_CLKGATE_WFI),

		icp_base + HFI_REG_A5_CSR_A5_CONTROL);

	} else {

		/* Due to hardware bug in V1 ICP clock gating has to be

		 * disabled, this is supposed to be fixed in V-2. But enabling

		 * the clock gating is causing the firmware hang, hence

		 * disabling the clock gating on both V1 and V2 until the

		 * hardware team root causes this

		 */

		cam_io_w((uint32_t)ICP_FLAG_CSR_A5_EN |

			ICP_FLAG_CSR_WAKE_UP_EN |

			((soc_version == SOC_VERSION_HW1) ?

			(ICP_CSR_EN_CLKGATE_WFI) : (0x0)),

			ICP_CSR_EN_CLKGATE_WFI,

			icp_base + HFI_REG_A5_CSR_A5_CONTROL);

	}