From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 286C7C2D0DC for ; Thu, 2 Jan 2020 13:09:04 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E45AF215A4 for ; Thu, 2 Jan 2020 13:09:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="d6Jx2/Q4"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=geanix.com header.i=@geanix.com header.b="cGAW1xXm" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E45AF215A4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=geanix.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=p4egESLRZO0PuX+UXgLhJhwHjwVoyohVlZywPSxmkYg=; b=d6Jx2/Q4BlGT3p o5A46SmHvViJhn9IeUiC1X39bTE1SOQYw1+Y3N/p7RtVrEsSKqkq1Vj56zocRvvKQTJ5KSZZ/p1ro zylZ8qJnWLCXewLA1NBsqn9DKCaC55lIbS76KWQN2jhgS4QxngtYZkQEiE0jTDcZ1E2k8J8eEtsaJ EC9+U4tL8f1DBpj4Qm86rAYp6FP2/Uh7N6nz8Ijuj3TvepX6DI02TADHzpRQFtGU1+2p7M7WkQktW DYzFvYUjEOIKoqPOOwebNgWqZ3ndjBU8mgVNPXoOODToV+TmFYxdGBkblcurcY7eiObcOZeLLFJWd 1NLTIuYmWHBSXkZbkT5A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1in0DW-0007Y9-DO; Thu, 02 Jan 2020 13:08:46 +0000 Received: from first.geanix.com ([116.203.34.67]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1in0DR-0007XB-Fz for linux-mtd@lists.infradead.org; Thu, 02 Jan 2020 13:08:44 +0000 Received: from localhost (87-49-44-45-mobile.dk.customer.tdc.net [87.49.44.45]) by first.geanix.com (Postfix) with ESMTPSA id 4ADA4750; Thu, 2 Jan 2020 13:08:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=geanix.com; s=first; t=1577970500; bh=XfPm35eGN5+xpwS8KwBzEk1mrUoGTU4Ie/ppTaltq/I=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=cGAW1xXmyB44612wv1DyxyIO6G5i65uJ+uWxZK6o95eFzlDizEOOuI2OUJdJpHM7g aAlCIysiEB4QoFbuH/IRv7REZJWdCzN/0gGe50L+4UE/b1no2lFV9oZCAFVrNeL6+J gGpjTy5UoSwkvBCiApQkM7Pbdq2VOc6FE2j0SlomWOaJTsWEH+ZH424QYfhTIV+8xw j5ZaPbnhFH8JABSwWXUMkaFprNKO1EOePtdtYBb+7ffJGQSCaX82cuS3d2ZVYMa+PB 6BmDIObq9M5VuShlYFoqDnlSLkwNfQKgnOE/i65qEs5R1KjqM1bbi8wjj7+ngMWA5h D+bN0XJ2o74Jw== From: Esben Haabendal To: linux-mtd@lists.infradead.org, Sascha Hauer , Boris Brezillon , Han Xu , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra Subject: [PATCH 2/2] mtd: rawnand: gpmi: Restore nfc timing setup after suspend/resume Date: Thu, 2 Jan 2020 14:08:26 +0100 Message-Id: <20200102130826.170647-2-esben@geanix.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200102130826.170647-1-esben@geanix.com> References: <20200102130826.170647-1-esben@geanix.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200102_050842_631286_9B81E39F X-CRM114-Status: GOOD ( 10.03 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: martin@geanix.com, sean@geanix.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org As we reset the GPMI block at resume, the timing parameters setup by a previous exec_op is lost. Rewriting GPMI timing registers on first exec_op after resume fixes the problem. Signed-off-by: Esben Haabendal --- drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c index 7ac8c8b95afc..fcc7325f2a10 100644 --- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c @@ -2728,6 +2728,10 @@ static int gpmi_pm_resume(struct device *dev) return ret; } + /* Set flag to get timing setup restored for next exec_op */ + if (this->hw.clk_rate) + this->hw.must_apply_timings = true; + /* re-init the BCH registers */ ret = bch_set_geometry(this); if (ret) { -- 2.24.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/