Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5a14f85c authored by Ashok Vuyyuru's avatar Ashok Vuyyuru
Browse files

msm: ipa3: Changes to keep IPA clock voted in panic notifier 



Adding changes to avoid unclocked access in panic notifier.
Increasing the IPA clock vote before saving the IPA registers.

Change-Id: Ie055ffa844df45b8a65603190495bc2d1cc3f84a
Signed-off-by: default avatarAshok Vuyyuru <avuyyuru@codeaurora.org>
parent e2030525

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

+7 −1
Original line number Diff line number Diff line
@@ -6023,6 +6023,7 @@ static int ipa3_panic_notifier(struct notifier_block *this, 
	unsigned long event, void *ptr)

{

	int res;

	struct ipa_active_client_logging_info log_info;



	ipa3_freeze_clock_vote_and_notify_modem();
@@ -6031,7 +6032,12 @@ static int ipa3_panic_notifier(struct notifier_block *this, 
	if (res)

		IPAERR("uC panic handler failed %d\n", res);



	if (atomic_read(&ipa3_ctx->ipa_clk_vote)) {

	/* Make sure IPA clock voted when collecting the reg dump */

	IPA_ACTIVE_CLIENTS_PREP_SPECIAL(log_info, "PANIC_VOTE");

	res = ipa3_inc_client_enable_clks_no_block(&log_info);

	if (res) {

		IPAERR("IPA clk off not saving the IPA registers\n");

	} else {

		ipahal_print_all_regs(false);

		ipa_save_registers();

		ipa_wigig_save_regs();