From patchwork Mon Sep 11 03:01:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Damien Le Moal X-Patchwork-Id: 13378647 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 EE7E4EEB57D for ; Mon, 11 Sep 2023 03:02:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232531AbjIKDCT (ORCPT ); Sun, 10 Sep 2023 23:02:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49412 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229592AbjIKDCP (ORCPT ); Sun, 10 Sep 2023 23:02:15 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A880BB0 for ; Sun, 10 Sep 2023 20:02:11 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BA181C433C9; Mon, 11 Sep 2023 03:02:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1694401331; bh=CLxJThbcwKovpWhuPEoLGPcDu3VVfm5SMyaJSuAlGE0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QzT1visii7sN0vx4/EMl7MX6601SeRMQYh1io1MUMgK3MKxrzF5N97dNJdDGmiGBs zehlkMVNEXR88VUcBZbRPi1o7nIU92StxFWVcv3csGCFfFGKQM0TLf3GADvuPgYD5g 0E7mnQhK00xVVChQ6BfWIqcnHvQPnseglXM/VlACMe5B6oUzHQ1XXsiIs0qCXDpjMz bPxxe8VS6oUKLSZN+YPfnIezEmrEZGf6W8KeY2GNIZzvUSgu0tTNKEwxWxUJqfzSsP Dbl5C40Gbnr/FxaQbQU94cF9y2cN0ivgFWXg3K2SJ9RDT9RkNv1V5HDtc8e02d0jmY 4BDJ9iuV5HZ4g== From: Damien Le Moal To: "Martin K . Petersen" , linux-scsi@vger.kernel.org Cc: Jack Wang Subject: [PATCH 02/10] scsi: pm8001: Introduce pm8001_free_irq() Date: Mon, 11 Sep 2023 12:01:59 +0900 Message-ID: <20230911030207.242917-3-dlemoal@kernel.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230911030207.242917-1-dlemoal@kernel.org> References: <20230911030207.242917-1-dlemoal@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Instead of repeating the same code twice in pm8001_pci_remove() and pm8001_pci_suspend() to free IRQs, introduuce the function pm8001_free_irq() to do that. Signed-off-by: Damien Le Moal Acked-by: Jack Wang --- drivers/scsi/pm8001/pm8001_init.c | 49 ++++++++++++++++++------------- 1 file changed, 28 insertions(+), 21 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index 443a3176c6c0..3b7d47cd70ba 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -274,6 +274,7 @@ static irqreturn_t pm8001_interrupt_handler_intx(int irq, void *dev_id) } static u32 pm8001_request_irq(struct pm8001_hba_info *pm8001_ha); +static void pm8001_free_irq(struct pm8001_hba_info *pm8001_ha); /** * pm8001_alloc - initiate our hba structure and 6 DMAs area. @@ -1057,6 +1058,24 @@ static u32 pm8001_request_irq(struct pm8001_hba_info *pm8001_ha) SHOST_TO_SAS_HA(pm8001_ha->shost)); } +static void pm8001_free_irq(struct pm8001_hba_info *pm8001_ha) +{ +#ifdef PM8001_USE_MSIX + struct pci_dev *pdev = pm8001_ha->pdev; + int i; + + for (i = 0; i < pm8001_ha->number_of_intr; i++) + synchronize_irq(pci_irq_vector(pdev, i)); + + for (i = 0; i < pm8001_ha->number_of_intr; i++) + free_irq(pci_irq_vector(pdev, i), &pm8001_ha->irq_vector[i]); + + pci_free_irq_vectors(pdev); +#else + free_irq(pm8001_ha->irq, pm8001_ha->sas); +#endif +} + /** * pm8001_pci_probe - probe supported device * @pdev: pci device which kernel has been prepared for. @@ -1252,24 +1271,17 @@ static int pm8001_init_ccb_tag(struct pm8001_hba_info *pm8001_ha) static void pm8001_pci_remove(struct pci_dev *pdev) { struct sas_ha_struct *sha = pci_get_drvdata(pdev); - struct pm8001_hba_info *pm8001_ha; + struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; int i, j; - pm8001_ha = sha->lldd_ha; + sas_unregister_ha(sha); sas_remove_host(pm8001_ha->shost); list_del(&pm8001_ha->list); PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF); PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha); -#ifdef PM8001_USE_MSIX - for (i = 0; i < pm8001_ha->number_of_intr; i++) - synchronize_irq(pci_irq_vector(pdev, i)); - for (i = 0; i < pm8001_ha->number_of_intr; i++) - free_irq(pci_irq_vector(pdev, i), &pm8001_ha->irq_vector[i]); - pci_free_irq_vectors(pdev); -#else - free_irq(pm8001_ha->irq, sha); -#endif + pm8001_free_irq(pm8001_ha); + #ifdef PM8001_USE_TASKLET /* For non-msix and msix interrupts */ if ((!pdev->msix_cap || !pci_msi_enabled()) || @@ -1309,7 +1321,8 @@ static int __maybe_unused pm8001_pci_suspend(struct device *dev) struct pci_dev *pdev = to_pci_dev(dev); struct sas_ha_struct *sha = pci_get_drvdata(pdev); struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; - int i, j; + int j; + sas_suspend_ha(sha); flush_workqueue(pm8001_wq); scsi_block_requests(pm8001_ha->shost); @@ -1319,15 +1332,9 @@ static int __maybe_unused pm8001_pci_suspend(struct device *dev) } PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF); PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha); -#ifdef PM8001_USE_MSIX - for (i = 0; i < pm8001_ha->number_of_intr; i++) - synchronize_irq(pci_irq_vector(pdev, i)); - for (i = 0; i < pm8001_ha->number_of_intr; i++) - free_irq(pci_irq_vector(pdev, i), &pm8001_ha->irq_vector[i]); - pci_free_irq_vectors(pdev); -#else - free_irq(pm8001_ha->irq, sha); -#endif + + pm8001_free_irq(pm8001_ha); + #ifdef PM8001_USE_TASKLET /* For non-msix and msix interrupts */ if ((!pdev->msix_cap || !pci_msi_enabled()) ||