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Date:   Tue, 22 Dec 2020 21:22:43 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Kyle Tso <kyletso@...gle.com>, Guenter Roeck <linux@...ck-us.net>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Badhri Jagan Sridharan <badhri@...gle.com>,
        Will McVicker <willmcvicker@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sasha Levin <sashal@...nel.org>, devel@...verdev.osuosl.org
Subject: [PATCH AUTOSEL 4.14 57/66] USB: typec: tcpm: Fix PR_SWAP error handling

From: Kyle Tso <kyletso@...gle.com>

[ Upstream commit 301a633c1b5b2caa4c4b97a83270d4a1d60c53bf ]

PD rev3.0 8.3.3.16.3.6 PE_PRS_SRC_SNK_Wait_Source_on State
The Policy Enging Shall transition to the ErrorRecovery state when the
PSSourceOnTimer times out ...

Cc: Guenter Roeck <linux@...ck-us.net>
Cc: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Cc: Badhri Jagan Sridharan <badhri@...gle.com>
Reviewed-by: Guenter Roeck <linux@...ck-us.net>
Acked-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Signed-off-by: Kyle Tso <kyletso@...gle.com>
Signed-off-by: Will McVicker <willmcvicker@...gle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Link: https://lore.kernel.org/r/20201210160521.3417426-4-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/staging/typec/tcpm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/typec/tcpm.c b/drivers/staging/typec/tcpm.c
index 686037a498c19..39f99a80daf73 100644
--- a/drivers/staging/typec/tcpm.c
+++ b/drivers/staging/typec/tcpm.c
@@ -2710,7 +2710,7 @@ static void run_state_machine(struct tcpm_port *port)
 			tcpm_set_state(port, ERROR_RECOVERY, 0);
 			break;
 		}
-		tcpm_set_state_cond(port, SNK_UNATTACHED, PD_T_PS_SOURCE_ON);
+		tcpm_set_state(port, ERROR_RECOVERY, PD_T_PS_SOURCE_ON);
 		break;
 	case PR_SWAP_SRC_SNK_SINK_ON:
 		tcpm_set_state(port, SNK_STARTUP, 0);
-- 
2.27.0

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