From patchwork Tue Aug 8 11:06:50 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 9887367 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4CCDC60352 for ; Tue, 8 Aug 2017 11:07:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3925928746 for ; Tue, 8 Aug 2017 11:07:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2B2D5287AB; Tue, 8 Aug 2017 11:07:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9EE9728746 for ; Tue, 8 Aug 2017 11:07:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752120AbdHHLHA (ORCPT ); Tue, 8 Aug 2017 07:07:00 -0400 Received: from mezzanine.sirena.org.uk ([106.187.55.193]:35208 "EHLO mezzanine.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751974AbdHHLG7 (ORCPT ); Tue, 8 Aug 2017 07:06:59 -0400 Received: from [2001:470:1f1d:6b5:7e7a:91ff:fede:4a45] (helo=finisterre) by mezzanine.sirena.org.uk with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1df2Ld-0000Hz-1G; Tue, 08 Aug 2017 11:06:55 +0000 Received: from broonie by finisterre with local (Exim 4.89) (envelope-from ) id 1df2La-000594-CQ; Tue, 08 Aug 2017 12:06:50 +0100 From: Mark Brown To: Shubhrajyoti Datta Cc: Michal Simek , Mark Brown , linux-kernel@vger.kernel.org, monstr@monstr.eu, Mark Brown , linux-spi@vger.kernel.org, linux-spi@vger.kernel.org In-Reply-To: <41f50cff7fd229448eb725f9d8ee97ec497457b2.1502182800.git.michal.simek@xilinx.com> Message-Id: Date: Tue, 08 Aug 2017 12:06:50 +0100 X-SA-Exim-Connect-IP: 2001:470:1f1d:6b5:7e7a:91ff:fede:4a45 X-SA-Exim-Mail-From: broonie@sirena.org.uk Subject: Applied "spi: cadence: Add support for context loss" to the spi tree X-SA-Exim-Version: 4.2.1 (built Tue, 02 Aug 2016 21:08:31 +0000) X-SA-Exim-Scanned: No (on mezzanine.sirena.org.uk); Unknown failure Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The patch spi: cadence: Add support for context loss has been applied to the spi tree at git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark From 802740890c4200c9266aee3139c5bd8e9b154e8f Mon Sep 17 00:00:00 2001 From: Shubhrajyoti Datta Date: Tue, 8 Aug 2017 11:00:03 +0200 Subject: [PATCH] spi: cadence: Add support for context loss Context could be lost across the suspend and resume. Reinit the driver to tide over. Signed-off-by: Shubhrajyoti Datta Signed-off-by: Michal Simek Signed-off-by: Mark Brown --- drivers/spi/spi-cadence.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c index 5e02f9b91688..5c9516ae4942 100644 --- a/drivers/spi/spi-cadence.c +++ b/drivers/spi/spi-cadence.c @@ -704,7 +704,9 @@ static int __maybe_unused cdns_spi_resume(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct spi_master *master = platform_get_drvdata(pdev); + struct cdns_spi *xspi = spi_master_get_devdata(master); + cdns_spi_init_hw(xspi); return spi_master_resume(master); }