From patchwork Thu Dec 23 01:14:07 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Mosberger-Tang X-Patchwork-Id: 527981 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 BFB6CC433EF for ; Thu, 23 Dec 2021 01:15:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345935AbhLWBPj (ORCPT ); Wed, 22 Dec 2021 20:15:39 -0500 Received: from o1.ptr2625.egauge.net ([167.89.112.53]:27522 "EHLO o1.ptr2625.egauge.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346278AbhLWBOz (ORCPT ); Wed, 22 Dec 2021 20:14:55 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=egauge.net; h=from:subject:in-reply-to:references:mime-version:to:cc: content-transfer-encoding:content-type; s=sgd; bh=K3gvUb3OfxsaOhe9tlq0tGnjjw1iUXxBhXljWscLEpA=; b=EyL6nlfgr9jVdtVhMT6au8qt34Za+LdjzKKipZCKpqlgz6G1wl5F3+25Hbw0xEDLe2wu FrihvBjOH6zXmTgA3DRnJftUG5FCjuj5rCxeHcC251pZQuyGFJCwfV5v7gDc1e/y/avUCB 0UO1lhho1nSvG87xayM8xWqixfBePLN9481Ei9NJQ53z6p07N2K4bk1XHoWIKjhnDSnikd 6bOlQ5ulnfrVrLW5DvvVKo4ESFryeS2RHRZcYuHoU/LyoDffXjFEEavVG+/Ri/6snSR7Ul NGt1Q+S0RbMcoGGgtYpyydfsRRVmyTHAieajpg3t3EgvBkqMFC0e4bMSQph529TA== Received: by filterdrecv-75ff7b5ffb-ndqvq with SMTP id filterdrecv-75ff7b5ffb-ndqvq-1-61C3CD5F-F 2021-12-23 01:14:07.170941284 +0000 UTC m=+9687225.771336929 Received: from pearl.egauge.net (unknown) by geopod-ismtpd-2-0 (SG) with ESMTP id IA6WsOnwRGSzJ75Zl9-9BQ Thu, 23 Dec 2021 01:14:07.020 +0000 (UTC) Received: by pearl.egauge.net (Postfix, from userid 1000) id EE86B70152F; Wed, 22 Dec 2021 18:14:05 -0700 (MST) From: David Mosberger-Tang Subject: [PATCH v2 46/50] wilc1000: remove duplicate CRC calculation code Date: Thu, 23 Dec 2021 01:14:07 +0000 (UTC) Message-Id: <20211223011358.4031459-47-davidm@egauge.net> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211223011358.4031459-1-davidm@egauge.net> References: <20211223011358.4031459-1-davidm@egauge.net> MIME-Version: 1.0 X-SG-EID: +kMxBqj35EdRUKoy8diX1j4AXmPtd302oan+iXZuF8m2Nw4HRW2irNspffT/khET6RJF6+Prbl0h/EtF1rRLvCNKwj+DYMFZnlIhPR3K1iY1ejP/1ZZy1gRWB3YD8/XZCKVGtzkSucLwWRtW7fomsuWltgqRjiEBKbxvD+9e/p3SVxfMklNvxmp5HYNKcSfaHCVGYdDwC5PyAQ4OxlyPw5qSPDKq2fDOn07kQOK5eo2M3g9WgUc4R6bC+VPaYPKgGGGujWFBIHi6A2pTvhh5Cw== To: Ajay Singh Cc: Claudiu Beznea , Kalle Valo , "David S. Miller" , Jakub Kicinski , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, David Mosberger-Tang X-Entity-ID: Xg4JGAcGrJFIz2kDG9eoaQ== Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Factor two copies of the same calculation into a single instance. Signed-off-by: David Mosberger-Tang --- drivers/net/wireless/microchip/wilc1000/spi.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/microchip/wilc1000/spi.c b/drivers/net/wireless/microchip/wilc1000/spi.c index 5f73b3d2d2112..189907580d921 100644 --- a/drivers/net/wireless/microchip/wilc1000/spi.c +++ b/drivers/net/wireless/microchip/wilc1000/spi.c @@ -658,7 +658,7 @@ static int wilc_spi_dma_rw(struct wilc *wilc, u8 cmd, u32 adr, u8 *b, u32 sz) u8 wb[32], rb[32]; int cmd_len, resp_len; int retry, ix = 0; - u8 crc[2]; + u8 crc[2], *crc7; struct wilc_spi_cmd *c; struct wilc_spi_rsp_data *r; @@ -673,8 +673,6 @@ static int wilc_spi_dma_rw(struct wilc *wilc, u8 cmd, u32 adr, u8 *b, u32 sz) c->u.dma_cmd.size[0] = sz >> 8; c->u.dma_cmd.size[1] = sz; cmd_len = offsetof(struct wilc_spi_cmd, u.dma_cmd.crc); - if (spi_priv->crc7_enabled) - c->u.dma_cmd.crc[0] = wilc_get_crc7(wb, cmd_len); } else if (cmd == CMD_DMA_EXT_WRITE || cmd == CMD_DMA_EXT_READ) { c->u.dma_cmd_ext.addr[0] = adr >> 16; c->u.dma_cmd_ext.addr[1] = adr >> 8; @@ -683,15 +681,16 @@ static int wilc_spi_dma_rw(struct wilc *wilc, u8 cmd, u32 adr, u8 *b, u32 sz) c->u.dma_cmd_ext.size[1] = sz >> 8; c->u.dma_cmd_ext.size[2] = sz; cmd_len = offsetof(struct wilc_spi_cmd, u.dma_cmd_ext.crc); - if (spi_priv->crc7_enabled) - c->u.dma_cmd_ext.crc[0] = wilc_get_crc7(wb, cmd_len); } else { dev_err(&spi->dev, "dma read write cmd [%x] not supported\n", cmd); return -EINVAL; } - if (spi_priv->crc7_enabled) + if (spi_priv->crc7_enabled) { + crc7 = wb + cmd_len; + *crc7 = wilc_get_crc7(wb, cmd_len); cmd_len += 1; + } resp_len = sizeof(*r);