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msm: ipa: Fix accessing coal registers when clock is off

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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: Chaitanya Pratapa <cpratapa@codeaurora.org>
This commit is contained in:
Chaitanya Pratapa 2019-08-13 11:24:19 +05:30 • committed by Gerrit - the friendly Code Review server
commit 551c0d6b73
1 changed files with 3 additions and 3 deletions
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6
drivers/platform/msm/ipa/ipa_v3/ipa_dp.c
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@ -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: