From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752652AbdHKEQ6 (ORCPT ); Fri, 11 Aug 2017 00:16:58 -0400 Received: from bh-25.webhostbox.net ([208.91.199.152]:52383 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752114AbdHKEPv (ORCPT ); Fri, 11 Aug 2017 00:15:51 -0400 From: Guenter Roeck To: Greg Kroah-Hartman Cc: Badhri Jagan Sridharan , devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, Guenter Roeck Subject: [PATCH 3/7] staging: typec: tcpm: Set default state after error recovery based on port type Date: Thu, 10 Aug 2017 21:15:41 -0700 Message-Id: <1502424945-19969-3-git-send-email-linux@roeck-us.net> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1502424945-19969-1-git-send-email-linux@roeck-us.net> References: <1502424945-19969-1-git-send-email-linux@roeck-us.net> X-Authenticated_sender: guenter@roeck-us.net X-OutGoing-Spam-Status: No, score=-1.0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - bh-25.webhostbox.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - roeck-us.net X-Get-Message-Sender-Via: bh-25.webhostbox.net: authenticated_id: guenter@roeck-us.net X-Authenticated-Sender: bh-25.webhostbox.net: guenter@roeck-us.net X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Badhri Jagan Sridharan While exiting ERROR_RECOVERY, choose default state based on the port type instead of current power role. Quoting from specification: 4.5.2.2.2 ErrorRecovery State This state appears in Figure 4-12, Figure 4-13, Figure 4-14, Figure 4-15, Figure 4-16 and Figure 4-17. The ErrorRecovery state is where the port removes the terminations from the CC1 and CC2 pins for tErrorRecovery followed by transitioning to the appropriate Unattached.SNK or Unattached.SRC state based on port type. This is the equivalent of forcing a detach event and looking for a new attach. Signed-off-by: Badhri Jagan Sridharan Signed-off-by: Guenter Roeck --- drivers/staging/typec/tcpm.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/staging/typec/tcpm.c b/drivers/staging/typec/tcpm.c index be2a91b52d69..e7873286b5ea 100644 --- a/drivers/staging/typec/tcpm.c +++ b/drivers/staging/typec/tcpm.c @@ -3038,10 +3038,7 @@ static void _tcpm_pd_vbus_off(struct tcpm_port *port) break; case ERROR_RECOVERY_WAIT_OFF: - tcpm_set_state(port, - port->pwr_role == TYPEC_SOURCE ? - SRC_UNATTACHED : SNK_UNATTACHED, - 0); + tcpm_set_state(port, tcpm_default_state(port), 0); break; default: -- 2.7.4