From patchwork Tue Jun 7 18:52:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vijaya Krishna Nivarthi X-Patchwork-Id: 579493 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73532CCA483 for ; Tue, 7 Jun 2022 21:12:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1379758AbiFGVM2 (ORCPT ); Tue, 7 Jun 2022 17:12:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35622 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1380104AbiFGVL3 (ORCPT ); Tue, 7 Jun 2022 17:11:29 -0400 Received: from alexa-out.qualcomm.com (alexa-out.qualcomm.com [129.46.98.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 248D6217886; Tue, 7 Jun 2022 11:53:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1654627990; x=1686163990; h=from:to:cc:subject:date:message-id; bh=Mjo2C2QUnHYivixBRLOK87mExe7tAphbj9VcKmRn5xA=; b=WMrwSgCztjn7AUkonBWE5kBI7lPDYdrGa9HkX5qK3TyXnYY2FeOxN+Z6 rKDsrPUaYtr0NM5tkHRCpz+LITQsw272g+GBrcORNdZOhmKJRLnZNg7jE DK7XS8EdXfOsPe0HKhBC9FSLRTRsamtysCDPDEGz3zJCrGlrDBU6KdPou U=; Received: from ironmsg09-lv.qualcomm.com ([10.47.202.153]) by alexa-out.qualcomm.com with ESMTP; 07 Jun 2022 11:53:09 -0700 X-QCInternal: smtphost Received: from ironmsg01-blr.qualcomm.com ([10.86.208.130]) by ironmsg09-lv.qualcomm.com with ESMTP/TLS/AES256-SHA; 07 Jun 2022 11:53:08 -0700 X-QCInternal: smtphost Received: from hu-vnivarth-hyd.qualcomm.com (HELO hu-sgudaval-hyd.qualcomm.com) ([10.213.111.166]) by ironmsg01-blr.qualcomm.com with ESMTP; 08 Jun 2022 00:22:51 +0530 Received: by hu-sgudaval-hyd.qualcomm.com (Postfix, from userid 3994820) id D48183F74; Wed, 8 Jun 2022 00:22:49 +0530 (+0530) From: Vijaya Krishna Nivarthi To: agross@kernel.org, bjorn.andersson@linaro.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, linux-arm-msm@vger.kernel.org, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org Cc: quic_msavaliy@quicinc.com, dianders@chromium.org, mka@chromium.org, swboyd@chromium.org, Vijaya Krishna Nivarthi Subject: [PATCH 0/2] tty: serial: Introduce callback for start_rx and implement same for qcom-geni-serial Date: Wed, 8 Jun 2022 00:22:43 +0530 Message-Id: <1654627965-1461-1-git-send-email-quic_vnivarth@quicinc.com> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This patch handles the problem of asynchronous data over RX like observed in qcom-geni-serial driver while ensuring that it doesn't cause side- effect for other drivers. Vijaya Krishna Nivarthi (2): serial: core: Introduce callback for start_rx and do stop_rx in suspend only if this callback implementation is present. tty: serial: qcom-geni-serial: Implement start_rx callback drivers/tty/serial/qcom_geni_serial.c | 1 + drivers/tty/serial/serial_core.c | 9 ++++++--- include/linux/serial_core.h | 1 + 3 files changed, 8 insertions(+), 3 deletions(-)