From patchwork Mon Mar 7 23:48:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Damien Le Moal X-Patchwork-Id: 549634 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 10266C433EF for ; Mon, 7 Mar 2022 23:49:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344039AbiCGXuI (ORCPT ); Mon, 7 Mar 2022 18:50:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33740 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344069AbiCGXuC (ORCPT ); Mon, 7 Mar 2022 18:50:02 -0500 Received: from esa6.hgst.iphmx.com (esa6.hgst.iphmx.com [216.71.154.45]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AED4722B38 for ; Mon, 7 Mar 2022 15:49:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1646696943; x=1678232943; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=OFmN811CwEBOyhUbY0uvSQICwH7isycEQM+uR5+NIlc=; b=m6R1BHfxnBMTcz0uwUy6mjYCDoQMzsQgXaexqY1+qyPODQYZzKBHsona mgtXS+ekQRTYJRqRA7Xm0wahwwYIVLO1KY9HpRdmImJarJDgjJgw8QdCi xmriY4uLOzZ8NBDBlZy2y16A1zGBJDyKeouHB05FgB9sAFChsXtqeupoV +lKv157DBctxw/HYNhEog5wpH/5wMBnoiXCk96WJbeWxgv/GFFFU+FFpr t6TyNYdZitkmX87dPJfPSJxesSDt+TmcoN7pb9fVy06X+fLmn7IjBWQqV VLbdBo45bQIBg79EypewUO/EM4RFWdKOrvQYiy0YYkFkYSINE5hvKOVzE w==; X-IronPort-AV: E=Sophos;i="5.90,163,1643644800"; d="scan'208";a="195659152" Received: from h199-255-45-14.hgst.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 08 Mar 2022 07:49:01 +0800 IronPort-SDR: NWECyG3Nn1T+HMa5SS+1eHO27dv5DIzEM8xupbgKgIaijw9JbKfLZlv0N4NLfDFsKOpMSXAv29 24Ks9CR58aEeCeB6ggZSpx8tpJ0KYTKJQHYd3OQ0crUxYsJkDZpnxuay/+X6VE3T9avudvMF4o LQ+WiORbBgu3Cmb7wxEUm20Np7Ss2OE7fFOKkb2e8ZsttBfoKholCF7HKUWKKhjzwuJdCHZr0+ mSryCvUJIuYZloBapuliCa7tkbr5QgOI/DxGLfVUZEsT5pa1cIn5zkFavqUqDXxjIPsn/tPwEk qIjEiXoJ8NE7m0T/6F0aJWAt Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Mar 2022 15:21:19 -0800 IronPort-SDR: /U82Fxo06NeXyoU397EjndFH6rVVOi/OWreWW/+6+cUWgypo9exJ4vRMXakz+2nZgInRNzdk2p dpttYCucBJW/z0STVx6p1fpOhQC1ADUULEYVm3JxI07OR35P+HSJIof3+4nHd1GdlExCtQcyXM C9IXSPvDeFl13mln5mLIRJAO+VgoCS5jq2EpGBvhHkLt1djtxd7Fnmu4yYe2iXpgIZkbgQJQjY rfADLH9msVviH6J96f7woajPJ2/Su7yMRMVLZjdmmiNFbco0b9bMf5cQZSuPQWoKPA9t3mBIh8 IxI= WDCIronportException: Internal Received: from usg-ed-osssrv.wdc.com ([10.3.10.180]) by uls-op-cesaip02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Mar 2022 15:49:02 -0800 Received: from usg-ed-osssrv.wdc.com (usg-ed-osssrv.wdc.com [127.0.0.1]) by usg-ed-osssrv.wdc.com (Postfix) with ESMTP id 4KCFXr6lNSz1SVny for ; Mon, 7 Mar 2022 15:49:00 -0800 (PST) Authentication-Results: usg-ed-osssrv.wdc.com (amavisd-new); dkim=pass reason="pass (just generated, assumed good)" header.d=opensource.wdc.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d= opensource.wdc.com; h=content-transfer-encoding:mime-version :references:in-reply-to:x-mailer:message-id:date:subject:to :from; s=dkim; t=1646696940; x=1649288941; bh=OFmN811CwEBOyhUbY0 uvSQICwH7isycEQM+uR5+NIlc=; b=FKsbPsoohNBzqFHFLG6Pd8jyKy8TmRChTV Oh7bmu5HE0lAR1vejQtcc/XCZ/wsgdh0/EbNQ4f7lEr/IqP40+FDMMsvpRSyJjmU Xm3pknysVo4ntaCg3OCnFr9NLVe4zc0KdN5d9fNoaDleNB1cjgrWt1Mqb2nNbmUx ObcHszN+kw1xCA9t4X4g9rfaieiKn4UI7+9JU3ZhKLZY1EPBjGIHV2hACCthVEvF YTVeulKYoFPCKL7DzbbeY5E43Os3XQORi6LqYJJ+FTEO6BXwMDQqPPb+nOUcEe6A uJTflUDYpO0KFtkm9QLIbT6u7QgxwGwygRP9NUdjSAYgpVMVlPJQ== X-Virus-Scanned: amavisd-new at usg-ed-osssrv.wdc.com Received: from usg-ed-osssrv.wdc.com ([127.0.0.1]) by usg-ed-osssrv.wdc.com (usg-ed-osssrv.wdc.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id F8hdbNFL0SLD for ; Mon, 7 Mar 2022 15:49:00 -0800 (PST) Received: from washi.fujisawa.hgst.com (washi.fujisawa.hgst.com [10.149.53.254]) by usg-ed-osssrv.wdc.com (Postfix) with ESMTPSA id 4KCFXq3fNsz1Rvlx; Mon, 7 Mar 2022 15:48:59 -0800 (PST) From: Damien Le Moal To: linux-scsi@vger.kernel.org, "Martin K . Petersen" , Sathya Prakash , Sreekanth Reddy , Suganath Prabu Subramani , MPT-FusionLinux.pdl@broadcom.com Subject: [PATCH v3 2/5] scsi: mpt3sas: Fix writel() use Date: Tue, 8 Mar 2022 08:48:51 +0900 Message-Id: <20220307234854.148145-3-damien.lemoal@opensource.wdc.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220307234854.148145-1-damien.lemoal@opensource.wdc.com> References: <20220307234854.148145-1-damien.lemoal@opensource.wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org writel() internally execute cpu_to_le32() to convert the vale being wrritten to little endian. The caller should thus not use this conversion function for the value passed to writel(). Remove the cpu_to_le32() calls in _base_put_smid_scsi_io_atomic(), _base_put_smid_fast_path_atomic(), _base_put_smid_hi_priority_atomic() _base_put_smid_default_atomic() amd _base_handshake_req_reply_wait(). Signed-off-by: Damien Le Moal --- drivers/scsi/mpt3sas/mpt3sas_base.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 511726f92d9a..6ebdfedd84f5 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -4323,7 +4323,7 @@ _base_put_smid_scsi_io_atomic(struct MPT3SAS_ADAPTER *ioc, u16 smid, descriptor.MSIxIndex = _base_set_and_get_msix_index(ioc, smid); descriptor.SMID = cpu_to_le16(smid); - writel(cpu_to_le32(*request), &ioc->chip->AtomicRequestDescriptorPost); + writel(*request, &ioc->chip->AtomicRequestDescriptorPost); } /** @@ -4345,7 +4345,7 @@ _base_put_smid_fast_path_atomic(struct MPT3SAS_ADAPTER *ioc, u16 smid, descriptor.MSIxIndex = _base_set_and_get_msix_index(ioc, smid); descriptor.SMID = cpu_to_le16(smid); - writel(cpu_to_le32(*request), &ioc->chip->AtomicRequestDescriptorPost); + writel(*request, &ioc->chip->AtomicRequestDescriptorPost); } /** @@ -4368,7 +4368,7 @@ _base_put_smid_hi_priority_atomic(struct MPT3SAS_ADAPTER *ioc, u16 smid, descriptor.MSIxIndex = msix_task; descriptor.SMID = cpu_to_le16(smid); - writel(cpu_to_le32(*request), &ioc->chip->AtomicRequestDescriptorPost); + writel(*request, &ioc->chip->AtomicRequestDescriptorPost); } /** @@ -4389,7 +4389,7 @@ _base_put_smid_default_atomic(struct MPT3SAS_ADAPTER *ioc, u16 smid) descriptor.MSIxIndex = _base_set_and_get_msix_index(ioc, smid); descriptor.SMID = cpu_to_le16(smid); - writel(cpu_to_le32(*request), &ioc->chip->AtomicRequestDescriptorPost); + writel(*request, &ioc->chip->AtomicRequestDescriptorPost); } /** @@ -6906,7 +6906,7 @@ _base_handshake_req_reply_wait(struct MPT3SAS_ADAPTER *ioc, int request_bytes, /* send message 32-bits at a time */ for (i = 0, failed = 0; i < request_bytes/4 && !failed; i++) { - writel(cpu_to_le32(request[i]), &ioc->chip->Doorbell); + writel(request[i], &ioc->chip->Doorbell); if ((_base_wait_for_doorbell_ack(ioc, 5))) failed = 1; }