From patchwork Tue Mar 1 18:25:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Walker X-Patchwork-Id: 12764996 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 2E82AC433EF for ; Tue, 1 Mar 2022 18:26:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234093AbiCAS0v (ORCPT ); Tue, 1 Mar 2022 13:26:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236927AbiCAS0u (ORCPT ); Tue, 1 Mar 2022 13:26:50 -0500 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B6365652EE for ; Tue, 1 Mar 2022 10:26:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1646159168; x=1677695168; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=kZrSr49I3pBw2GyviO8mj5JC8QqGYy6NSU4Xu8j1i4s=; b=eX1QDOXXaAM0GiCODmWwhXkYFp7wOW4n9+ArH0feuVm8yAhOVnsezHT3 KWlM/vPfm0ofHwh/AEE5B6reBB9VGbXP9WFxLBti3YIFNWukz9zrxoa/G 6cMEmnu+D4t8Ep2hzwPrpo+08ri2vFGulhHTFt/Uy/drZHfVu951XvH1b HaYjMMaOcQ5dLfT5I9/phjUBJi0wjSGZ/phUCaX9SdlqJNwElbCGMNEe9 Ds3LiRslfD6V1gPfm8vMp4uV4i2vYjWFpLGBKuqf1B7p9KKuFuc+U2N9r IosGP+64SB0SIbsWBvCSUyrqcBtjr8jB1bxheqgzLsfevWo1dQJx5JkND A==; X-IronPort-AV: E=McAfee;i="6200,9189,10273"; a="252940746" X-IronPort-AV: E=Sophos;i="5.90,146,1643702400"; d="scan'208";a="252940746" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Mar 2022 10:26:08 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,146,1643702400"; d="scan'208";a="630110245" Received: from bwalker-desk.ch.intel.com ([143.182.137.126]) by FMSMGA003.fm.intel.com with ESMTP; 01 Mar 2022 10:26:07 -0800 From: Ben Walker To: vkoul@kernel.org Cc: dmaengine@vger.kernel.org, ludovic.desroches@microchip.com, okaya@kernel.org, dave.jiang@intel.com, Ben Walker Subject: [PATCH v3 4/4] dmaengine: hidma: In hidma_prep_dma_memset treat value as a single byte Date: Tue, 1 Mar 2022 11:25:51 -0700 Message-Id: <20220301182551.883474-5-benjamin.walker@intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220301182551.883474-1-benjamin.walker@intel.com> References: <20220301182551.883474-1-benjamin.walker@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org The value parameter is a single byte, so duplicate it to the 8 byte range that is used as the pattern. Signed-off-by: Ben Walker Cc: Sinan Kaya --- drivers/dma/qcom/hidma.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/dma/qcom/hidma.c b/drivers/dma/qcom/hidma.c index 65d054bb11aaa..e455957e3ff98 100644 --- a/drivers/dma/qcom/hidma.c +++ b/drivers/dma/qcom/hidma.c @@ -431,6 +431,7 @@ hidma_prep_dma_memset(struct dma_chan *dmach, dma_addr_t dest, int value, struct hidma_desc *mdesc = NULL; struct hidma_dev *mdma = mchan->dmadev; unsigned long irqflags; + u64 byte_pattern, fill_pattern; /* Get free descriptor */ spin_lock_irqsave(&mchan->lock, irqflags); @@ -443,9 +444,19 @@ hidma_prep_dma_memset(struct dma_chan *dmach, dma_addr_t dest, int value, if (!mdesc) return NULL; + byte_pattern = (char)value; + fill_pattern = (byte_pattern << 56) | + (byte_pattern << 48) | + (byte_pattern << 40) | + (byte_pattern << 32) | + (byte_pattern << 24) | + (byte_pattern << 16) | + (byte_pattern << 8) | + byte_pattern; + mdesc->desc.flags = flags; hidma_ll_set_transfer_params(mdma->lldev, mdesc->tre_ch, - value, dest, len, flags, + fill_pattern, dest, len, flags, HIDMA_TRE_MEMSET); /* Place descriptor in prepared list */