From patchwork Thu Dec 29 16:59:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Niklas Cassel X-Patchwork-Id: 13083647 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 0AD34C4708E for ; Thu, 29 Dec 2022 17:00:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233614AbiL2RAX (ORCPT ); Thu, 29 Dec 2022 12:00:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42668 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233597AbiL2RAU (ORCPT ); Thu, 29 Dec 2022 12:00:20 -0500 Received: from esa2.hgst.iphmx.com (esa2.hgst.iphmx.com [68.232.143.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D7333F5A7; Thu, 29 Dec 2022 09:00:18 -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=1672333218; x=1703869218; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=pli0p8qWBG/fw32ZyJYrgU57uHIz5Ggmoyz9LzzBTXc=; b=VESXedALYS9FYESpX7wcexybsUJxJ2Yp3HVEw/kzmQNjmsHbKvYBOsV9 hpwqMKvtcvy9SdOxX0V5a6qVFhzaJgCdUTHias5xqxmUdahEjRXuIBJVp R65xoYuv8L3rVU2FRdM//ZEX47eM8AB+Nbmx5taiCihEBhaVCX8jKDZnD mHSTpzFIC08kNviu+0Ae4GNzenWwWhPUXyC92RNZQ5JRqLI4xynDFJR3+ rnMxbzbismthKsbu/FggN7KqI61KiufWMHt3d8xItKbg78W2xScez1oQw tcZ2tgvfXw8ibdRiIMLcTWpYQgz9IG71Zk3GlUtBRQJYMUwloGt4A1BLZ A==; X-IronPort-AV: E=Sophos;i="5.96,284,1665417600"; d="scan'208";a="323990980" 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; 30 Dec 2022 01:00:18 +0800 IronPort-SDR: F6XP4QRhK1P7ZM62Hg5w6tW2M6Gf7H/g0LZf08aS8ZIapnZ+EOGyw3/aGvI8Gp4HUShFnNhP7g X+GAB9E4iY3LzlGWa0rlriaVBzIHNcD0PMB93vvsxHRU9V6KGSWUXKn64/aaipetjLc9rRIMf0 h9LAnMREiQiPHfbb14VE7TgP9b5ArSp7HSIhPjNvkk+YHcjueIFV2oMATdgcCQo/M0ihq0trLM EVrqXuZg6WF4nryZZGmb/UFTN78eTHi1HZXkoow2qSyLZQziMAhtH8vLH9CkixKbUeBRH/oX7H GpE= Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 29 Dec 2022 08:18:22 -0800 IronPort-SDR: Nru65MeL5cdfhQVCSSwAEpfCvFsyvIDy/MoJ4kTlDq7w6Ou6rG/lX1RwzA87u2t49TGRszVRCn ZC1oldwvfGUv1a0bFyLbyk1o4k2fS1Jmd7q/0C327WLEAkU/hIDPcyGau6m/XZMggO3CooufCT hXpyFlvK8TxqxQKMDX+r5kihjBfApGxXxLYhcyfcWG0ej+UYwYILJ/9WocOmgTYetZ6zBq0RNF SQK6XUJSU7x8wZt5/sbkgSO20UNYxHJI8e7AZunhIQIkA1jVpS/gY2iwWSaZHfVKqwvomoCudF m00= WDCIronportException: Internal Received: from unknown (HELO x1-carbon.lan) ([10.225.164.9]) by uls-op-cesaip02.wdc.com with ESMTP; 29 Dec 2022 09:00:17 -0800 From: Niklas Cassel To: Damien Le Moal , Brian King , "James E.J. Bottomley" , "Martin K. Petersen" Cc: Niklas Cassel , John Garry , linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org Subject: [PATCH v2 2/7] ata: libata: simplify qc_fill_rtf port operation interface Date: Thu, 29 Dec 2022 17:59:58 +0100 Message-Id: <20221229170005.49118-3-niklas.cassel@wdc.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221229170005.49118-1-niklas.cassel@wdc.com> References: <20221229170005.49118-1-niklas.cassel@wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Damien Le Moal The boolean return value of the qc_fill_rtf operation is used nowhere. Simplify this operation interface by making it a void function. All drivers defining this operation are also updated. Signed-off-by: Damien Le Moal Signed-off-by: Niklas Cassel Reviewed-by: John Garry --- drivers/ata/acard-ahci.c | 6 ++---- drivers/ata/libahci.c | 6 ++---- drivers/ata/libata-sff.c | 6 +----- drivers/ata/sata_fsl.c | 3 +-- drivers/ata/sata_inic162x.c | 12 +++++------- drivers/ata/sata_sil24.c | 5 ++--- drivers/scsi/ipr.c | 7 +------ drivers/scsi/libsas/sas_ata.c | 3 +-- include/linux/libata.h | 4 ++-- 9 files changed, 17 insertions(+), 35 deletions(-) diff --git a/drivers/ata/acard-ahci.c b/drivers/ata/acard-ahci.c index da74a86b70ba..993eadd173da 100644 --- a/drivers/ata/acard-ahci.c +++ b/drivers/ata/acard-ahci.c @@ -57,7 +57,7 @@ struct acard_sg { }; static enum ata_completion_errors acard_ahci_qc_prep(struct ata_queued_cmd *qc); -static bool acard_ahci_qc_fill_rtf(struct ata_queued_cmd *qc); +static void acard_ahci_qc_fill_rtf(struct ata_queued_cmd *qc); static int acard_ahci_port_start(struct ata_port *ap); static int acard_ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); @@ -248,7 +248,7 @@ static enum ata_completion_errors acard_ahci_qc_prep(struct ata_queued_cmd *qc) return AC_ERR_OK; } -static bool acard_ahci_qc_fill_rtf(struct ata_queued_cmd *qc) +static void acard_ahci_qc_fill_rtf(struct ata_queued_cmd *qc) { struct ahci_port_priv *pp = qc->ap->private_data; u8 *rx_fis = pp->rx_fis; @@ -268,8 +268,6 @@ static bool acard_ahci_qc_fill_rtf(struct ata_queued_cmd *qc) qc->result_tf.status = (rx_fis + RX_FIS_PIO_SETUP)[15]; } else ata_tf_from_fis(rx_fis + RX_FIS_D2H_REG, &qc->result_tf); - - return true; } static int acard_ahci_port_start(struct ata_port *ap) diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 03aa9eb415d3..0167aac25c34 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -55,7 +55,7 @@ static ssize_t ahci_transmit_led_message(struct ata_port *ap, u32 state, static int ahci_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val); static int ahci_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val); -static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc); +static void ahci_qc_fill_rtf(struct ata_queued_cmd *qc); static int ahci_port_start(struct ata_port *ap); static void ahci_port_stop(struct ata_port *ap); static enum ata_completion_errors ahci_qc_prep(struct ata_queued_cmd *qc); @@ -2053,7 +2053,7 @@ unsigned int ahci_qc_issue(struct ata_queued_cmd *qc) } EXPORT_SYMBOL_GPL(ahci_qc_issue); -static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc) +static void ahci_qc_fill_rtf(struct ata_queued_cmd *qc) { struct ahci_port_priv *pp = qc->ap->private_data; u8 *rx_fis = pp->rx_fis; @@ -2087,8 +2087,6 @@ static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc) qc->result_tf.error = fis[3]; } else ata_tf_from_fis(rx_fis + RX_FIS_D2H_REG, &qc->result_tf); - - return true; } static void ahci_freeze(struct ata_port *ap) diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 34beda28e712..cd82d3b5ed14 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -1377,14 +1377,10 @@ EXPORT_SYMBOL_GPL(ata_sff_qc_issue); * * LOCKING: * spin_lock_irqsave(host lock) - * - * RETURNS: - * true indicating that result TF is successfully filled. */ -bool ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc) +void ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc) { qc->ap->ops->sff_tf_read(qc->ap, &qc->result_tf); - return true; } EXPORT_SYMBOL_GPL(ata_sff_qc_fill_rtf); diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index 7eab9c4e1473..b052c5a65c17 100644 --- a/drivers/ata/sata_fsl.c +++ b/drivers/ata/sata_fsl.c @@ -566,7 +566,7 @@ static unsigned int sata_fsl_qc_issue(struct ata_queued_cmd *qc) return 0; } -static bool sata_fsl_qc_fill_rtf(struct ata_queued_cmd *qc) +static void sata_fsl_qc_fill_rtf(struct ata_queued_cmd *qc) { struct sata_fsl_port_priv *pp = qc->ap->private_data; struct sata_fsl_host_priv *host_priv = qc->ap->host->private_data; @@ -577,7 +577,6 @@ static bool sata_fsl_qc_fill_rtf(struct ata_queued_cmd *qc) cd = pp->cmdentry + tag; ata_tf_from_fis(cd->sfis, &qc->result_tf); - return true; } static int sata_fsl_scr_write(struct ata_link *link, diff --git a/drivers/ata/sata_inic162x.c b/drivers/ata/sata_inic162x.c index f480ff456190..2833c722118d 100644 --- a/drivers/ata/sata_inic162x.c +++ b/drivers/ata/sata_inic162x.c @@ -566,7 +566,7 @@ static void inic_tf_read(struct ata_port *ap, struct ata_taskfile *tf) tf->status = readb(port_base + PORT_TF_COMMAND); } -static bool inic_qc_fill_rtf(struct ata_queued_cmd *qc) +static void inic_qc_fill_rtf(struct ata_queued_cmd *qc) { struct ata_taskfile *rtf = &qc->result_tf; struct ata_taskfile tf; @@ -580,12 +580,10 @@ static bool inic_qc_fill_rtf(struct ata_queued_cmd *qc) */ inic_tf_read(qc->ap, &tf); - if (!(tf.status & ATA_ERR)) - return false; - - rtf->status = tf.status; - rtf->error = tf.error; - return true; + if (tf.status & ATA_ERR) { + rtf->status = tf.status; + rtf->error = tf.error; + } } static void inic_freeze(struct ata_port *ap) diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c index 0a01518a8d97..22cc9e9789dd 100644 --- a/drivers/ata/sata_sil24.c +++ b/drivers/ata/sata_sil24.c @@ -328,7 +328,7 @@ static int sil24_scr_write(struct ata_link *link, unsigned sc_reg, u32 val); static int sil24_qc_defer(struct ata_queued_cmd *qc); static enum ata_completion_errors sil24_qc_prep(struct ata_queued_cmd *qc); static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc); -static bool sil24_qc_fill_rtf(struct ata_queued_cmd *qc); +static void sil24_qc_fill_rtf(struct ata_queued_cmd *qc); static void sil24_pmp_attach(struct ata_port *ap); static void sil24_pmp_detach(struct ata_port *ap); static void sil24_freeze(struct ata_port *ap); @@ -901,10 +901,9 @@ static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc) return 0; } -static bool sil24_qc_fill_rtf(struct ata_queued_cmd *qc) +static void sil24_qc_fill_rtf(struct ata_queued_cmd *qc) { sil24_read_tf(qc->ap, qc->hw_tag, &qc->result_tf); - return true; } static void sil24_pmp_attach(struct ata_port *ap) diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index c68ca2218a05..1c8040d250ea 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -7142,11 +7142,8 @@ static unsigned int ipr_qc_issue(struct ata_queued_cmd *qc) /** * ipr_qc_fill_rtf - Read result TF * @qc: ATA queued command - * - * Return value: - * true **/ -static bool ipr_qc_fill_rtf(struct ata_queued_cmd *qc) +static void ipr_qc_fill_rtf(struct ata_queued_cmd *qc) { struct ipr_sata_port *sata_port = qc->ap->private_data; struct ipr_ioasa_gata *g = &sata_port->ioasa; @@ -7163,8 +7160,6 @@ static bool ipr_qc_fill_rtf(struct ata_queued_cmd *qc) tf->hob_lbal = g->hob_lbal; tf->hob_lbam = g->hob_lbam; tf->hob_lbah = g->hob_lbah; - - return true; } static struct ata_port_operations ipr_sata_ops = { diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index 14da33a3b6a6..ac8576e7f0b7 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -226,12 +226,11 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc) return ret; } -static bool sas_ata_qc_fill_rtf(struct ata_queued_cmd *qc) +static void sas_ata_qc_fill_rtf(struct ata_queued_cmd *qc) { struct domain_device *dev = qc->ap->private_data; ata_tf_from_fis(dev->sata_dev.fis, &qc->result_tf); - return true; } static struct sas_internal *dev_to_sas_internal(struct domain_device *dev) diff --git a/include/linux/libata.h b/include/linux/libata.h index 7985e6e2ae0e..8483d8300ea3 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -876,7 +876,7 @@ struct ata_port_operations { int (*check_atapi_dma)(struct ata_queued_cmd *qc); enum ata_completion_errors (*qc_prep)(struct ata_queued_cmd *qc); unsigned int (*qc_issue)(struct ata_queued_cmd *qc); - bool (*qc_fill_rtf)(struct ata_queued_cmd *qc); + void (*qc_fill_rtf)(struct ata_queued_cmd *qc); /* * Configuration and exception handling @@ -1936,7 +1936,7 @@ extern void ata_sff_queue_delayed_work(struct delayed_work *dwork, unsigned long delay); extern void ata_sff_queue_pio_task(struct ata_link *link, unsigned long delay); extern unsigned int ata_sff_qc_issue(struct ata_queued_cmd *qc); -extern bool ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc); +extern void ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc); extern unsigned int ata_sff_port_intr(struct ata_port *ap, struct ata_queued_cmd *qc); extern irqreturn_t ata_sff_interrupt(int irq, void *dev_instance);