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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BA0A2C433EF for ; Fri, 28 Jan 2022 18:41:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343590AbiA1SlS (ORCPT ); Fri, 28 Jan 2022 13:41:18 -0500 Received: from mga06.intel.com ([134.134.136.31]:22587 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343585AbiA1SlS (ORCPT ); Fri, 28 Jan 2022 13:41:18 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643395278; x=1674931278; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ye5S5Fhti5NDHBTOu0VS5+fU2jdSdbDIiMwIOSV02UY=; b=Bp2ypCD1V95iuGJDXeL9Z/clRDsvzIgBx8fs2ewEIVKZQadStz4COzIb qbBgyuv5SgfYkWMW0K+ZyrcdJ16hpOAfXiMrkgnWaYa0mvy+YZtKXlABY fwHmxlQ//t1lTkOc5js6mS76l2O0gmKJ5Kz5r/85l7Os4MyZe9pQpEwcZ QgMvKjYfKdMtzKs4qd3e7ppsGs8neW0eZcitC95sm1i3A/cxSLKmaKHYR fcs7MjvTRx8HGjSBnNUQWOj/6V0PbsOeyEBXZj1hsHWO0HlfL53o+l5vR Cj8tHxzbgHctg96tgfeIRG/KtuI8+YpaQE/bW39fbCcrwVcAYQIlexIzC g==; X-IronPort-AV: E=McAfee;i="6200,9189,10240"; a="307905172" X-IronPort-AV: E=Sophos;i="5.88,324,1635231600"; d="scan'208";a="307905172" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Jan 2022 10:41:17 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,324,1635231600"; d="scan'208";a="618802156" Received: from bwalker-desk.ch.intel.com ([143.182.137.151]) by FMSMGA003.fm.intel.com with ESMTP; 28 Jan 2022 10:41:17 -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: [RFC PATCH 4/4] dmaengine: hidma: In hidma_prep_dma_memset treat value as a single byte Date: Fri, 28 Jan 2022 11:39:48 -0700 Message-Id: <20220128183948.3924558-5-benjamin.walker@intel.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20220128183948.3924558-1-benjamin.walker@intel.com> References: <20220128183948.3924558-1-benjamin.walker@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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..d8aa6c0abe126 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 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; + pattern = (unsigned char)value; + pattern = (pattern << 56) | + (pattern << 48) | + (pattern << 40) | + (pattern << 32) | + (pattern << 24) | + (pattern << 16) | + (pattern << 8) | + pattern; + mdesc->desc.flags = flags; hidma_ll_set_transfer_params(mdma->lldev, mdesc->tre_ch, - value, dest, len, flags, + pattern, dest, len, flags, HIDMA_TRE_MEMSET); /* Place descriptor in prepared list */ -- 2.33.1