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Commit 551c0d6b authored by Chaitanya Pratapa's avatar Chaitanya Pratapa Committed by Gerrit - the friendly Code Review server
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msm: ipa: Fix accessing coal registers when clock is off 



There is a possibility to access coal registers when the clock
is off which results in unknown behavior. Make changes to ensure
clock is on when accessing coal registers.

Change-Id: Ia13841c5543798cb47ed6953a5c714e7426cb180
Signed-off-by: default avatarChaitanya Pratapa <cpratapa@codeaurora.org>
parent 5398ee57

drivers/platform/msm/ipa/ipa_v3/ipa_dp.c

+3 −3
Original line number Diff line number Diff line
@@ -1162,9 +1162,6 @@ int ipa3_setup_sys_pipe(struct ipa_sys_connect_params *sys_in, u32 *clnt_hdl) 
		goto fail_gen3;

	}



	if (!ep->keep_ipa_awake)

		IPA_ACTIVE_CLIENTS_DEC_EP(sys_in->client);



	IPADBG("client %d (ep: %d) connected sys=%pK\n", sys_in->client,

			ipa_ep_idx, ep->sys);
@@ -1186,6 +1183,9 @@ int ipa3_setup_sys_pipe(struct ipa_sys_connect_params *sys_in, u32 *clnt_hdl) 
		}

	}



	if (!ep->keep_ipa_awake)

		IPA_ACTIVE_CLIENTS_DEC_EP(ep->client);



	return 0;



fail_gen3: