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 X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 14CE7C282C0 for ; Fri, 25 Jan 2019 14:23:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E28E8218A2 for ; Fri, 25 Jan 2019 14:23:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729255AbfAYOXT (ORCPT ); Fri, 25 Jan 2019 09:23:19 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:2756 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727264AbfAYOWE (ORCPT ); Fri, 25 Jan 2019 09:22:04 -0500 Received: from DGGEMS409-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 3A94511CA24FCF14406F; Fri, 25 Jan 2019 22:21:59 +0800 (CST) Received: from localhost.localdomain (10.67.212.75) by DGGEMS409-HUB.china.huawei.com (10.3.19.209) with Microsoft SMTP Server id 14.3.408.0; Fri, 25 Jan 2019 22:21:51 +0800 From: John Garry To: , CC: , , , John Garry Subject: [PATCH 02/13] scsi: hisi_sas: Fix type casting and missing static qualifier in debugfs code Date: Fri, 25 Jan 2019 22:22:28 +0800 Message-ID: <1548426159-225679-3-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1548426159-225679-1-git-send-email-john.garry@huawei.com> References: <1548426159-225679-1-git-send-email-john.garry@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.212.75] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Sparse can detect some type casting issues in the debugfs code, so fix it up. Also a missing static qualifier is added to hisi_sas_debugfs_to_reg_name(). Signed-off-by: John Garry --- drivers/scsi/hisi_sas/hisi_sas.h | 4 ++-- drivers/scsi/hisi_sas/hisi_sas_main.c | 21 +++++++++++---------- 2 files changed, 13 insertions(+), 12 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index b8b1ded..5bb6759 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -359,8 +359,8 @@ struct hisi_hba { u32 intr_coal_count; /* Interrupt count to coalesce */ /* debugfs memories */ - void *debugfs_global_reg; - void *debugfs_port_reg[HISI_SAS_MAX_PHYS]; + u32 *debugfs_global_reg; + u32 *debugfs_port_reg[HISI_SAS_MAX_PHYS]; void *debugfs_complete_hdr[HISI_SAS_MAX_QUEUES]; struct hisi_sas_cmd_hdr *debugfs_cmd_hdr[HISI_SAS_MAX_QUEUES]; struct hisi_sas_iost *debugfs_iost; diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 72d2295..73a545a 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -2547,7 +2547,7 @@ static void hisi_sas_debugfs_snapshot_iost_reg(struct hisi_hba *hisi_hba) } } -const char * +static const char * hisi_sas_debugfs_to_reg_name(int off, int base_off, const struct hisi_sas_debugfs_reg_lu *lu) { @@ -2574,10 +2574,10 @@ static void hisi_sas_debugfs_print_reg(u32 *regs_val, const void *ptr, if (name) seq_printf(s, "0x%08x 0x%08x %s\n", off, - le32_to_cpu(regs_val[i]), name); + regs_val[i], name); else seq_printf(s, "0x%08x 0x%08x\n", off, - le32_to_cpu(regs_val[i])); + regs_val[i]); } } @@ -2587,7 +2587,7 @@ static int hisi_sas_debugfs_global_show(struct seq_file *s, void *p) const struct hisi_sas_hw *hw = hisi_hba->hw; const struct hisi_sas_debugfs_reg *reg_global = hw->debugfs_reg_global; - hisi_sas_debugfs_print_reg((u32 *)hisi_hba->debugfs_global_reg, + hisi_sas_debugfs_print_reg(hisi_hba->debugfs_global_reg, reg_global, s); return 0; @@ -2634,7 +2634,7 @@ static int hisi_sas_debugfs_port_open(struct inode *inode, struct file *filp) }; static int hisi_sas_show_row_64(struct seq_file *s, int index, - int sz, u64 *ptr) + int sz, __le64 *ptr) { int i; @@ -2652,7 +2652,7 @@ static int hisi_sas_show_row_64(struct seq_file *s, int index, } static int hisi_sas_show_row_32(struct seq_file *s, int index, - int sz, u32 *ptr) + int sz, __le32 *ptr) { int i; @@ -2672,7 +2672,7 @@ static int hisi_sas_cq_show_slot(struct seq_file *s, int slot, void *cq_ptr) struct hisi_sas_cq *cq = cq_ptr; struct hisi_hba *hisi_hba = cq->hisi_hba; void *complete_queue = hisi_hba->debugfs_complete_hdr[cq->id]; - void *complete_hdr = complete_queue + + __le32 *complete_hdr = complete_queue + (hisi_hba->hw->complete_hdr_size * slot); return hisi_sas_show_row_32(s, slot, @@ -2711,8 +2711,8 @@ static int hisi_sas_dq_show_slot(struct seq_file *s, int slot, void *dq_ptr) struct hisi_sas_dq *dq = dq_ptr; struct hisi_hba *hisi_hba = dq->hisi_hba; void *cmd_queue = hisi_hba->debugfs_cmd_hdr[dq->id]; - void *cmd_hdr = cmd_queue + - hisi_hba->hw->complete_hdr_size * slot; + __le32 *cmd_hdr = cmd_queue + + sizeof(struct hisi_sas_cmd_hdr) * slot; return hisi_sas_show_row_32(s, slot, sizeof(struct hisi_sas_cmd_hdr), cmd_hdr); @@ -2748,10 +2748,11 @@ static int hisi_sas_debugfs_iost_show(struct seq_file *s, void *p) struct hisi_hba *hisi_hba = s->private; struct hisi_sas_iost *debugfs_iost = hisi_hba->debugfs_iost; int i, ret, max_command_entries = hisi_hba->hw->max_command_entries; + __le64 *iost = &debugfs_iost->qw0; for (i = 0; i < max_command_entries; i++, debugfs_iost++) { ret = hisi_sas_show_row_64(s, i, sizeof(*debugfs_iost), - (u64 *)debugfs_iost); + iost); if (ret) return ret; } -- 1.9.1