From patchwork Fri Jul 31 14:07:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Can Guo X-Patchwork-Id: 11695027 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3EFE1913 for ; Fri, 31 Jul 2020 14:08:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 30CB62087C for ; Fri, 31 Jul 2020 14:08:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387493AbgGaOIJ (ORCPT ); Fri, 31 Jul 2020 10:08:09 -0400 Received: from labrats.qualcomm.com ([199.106.110.90]:15506 "EHLO labrats.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732281AbgGaOIG (ORCPT ); Fri, 31 Jul 2020 10:08:06 -0400 IronPort-SDR: x/CIroGFlnK3xA+D1zoFkwhnfxsuVCE+xszbAMqI6ufoSAmniObRCYKq4CPxw58fsV7UOWci9r hiN0La5d9wU3duMr5/HhuFbOHmV9m0XL7gH7e4XbamUV+6IRHrM4LJNKPFh/wbF8QZ5ZRLR+SE gV5on1rUYtljiHFiQqDqx/2YYIYBnL8QnRwROgruOZDETizu25dpXgjUllvhvw7xxWvAe77xq2 aQ9vfIVXXwwzdIwf6XAzBCNvnX+M4q8PcGkFmHfjejxzSn96vUEM1X40helVbBoo0Ctns0zL1N 34k= X-IronPort-AV: E=Sophos;i="5.75,418,1589266800"; d="scan'208";a="47235770" Received: from unknown (HELO ironmsg-SD-alpha.qualcomm.com) ([10.53.140.30]) by labrats.qualcomm.com with ESMTP; 31 Jul 2020 07:08:05 -0700 Received: from pacamara-linux.qualcomm.com ([192.168.140.135]) by ironmsg-SD-alpha.qualcomm.com with ESMTP; 31 Jul 2020 07:08:04 -0700 Received: by pacamara-linux.qualcomm.com (Postfix, from userid 359480) id 6735922E4D; Fri, 31 Jul 2020 07:08:04 -0700 (PDT) From: Can Guo To: asutoshd@codeaurora.org, nguyenb@codeaurora.org, hongwus@codeaurora.org, rnayak@codeaurora.org, linux-scsi@vger.kernel.org, kernel-team@android.com, saravanak@google.com, salyzyn@google.com, cang@codeaurora.org Cc: Andy Gross , Bjorn Andersson , Alim Akhtar , Avri Altman , "James E.J. Bottomley" , "Martin K. Petersen" , linux-arm-msm@vger.kernel.org (open list:ARM/QUALCOMM SUPPORT), linux-kernel@vger.kernel.org (open list) Subject: [PATCH 3/8] scsi: ufs-qcom: Remove testbus dump in ufs_qcom_dump_dbg_regs Date: Fri, 31 Jul 2020 07:07:51 -0700 Message-Id: <1596204478-5420-4-git-send-email-cang@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1596204478-5420-1-git-send-email-cang@codeaurora.org> References: <1596204478-5420-1-git-send-email-cang@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Dumping testbus registers is heavy enough to cause stability issues sometime, just remove them as of now. Signed-off-by: Can Guo Reviewed-by: Hongwu Su Reviewed-by: Avri Altman Reviewed-by: Bean Huo diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c index 7da27ee..96e0999 100644 --- a/drivers/scsi/ufs/ufs-qcom.c +++ b/drivers/scsi/ufs/ufs-qcom.c @@ -1620,44 +1620,12 @@ int ufs_qcom_testbus_config(struct ufs_qcom_host *host) return 0; } -static void ufs_qcom_testbus_read(struct ufs_hba *hba) -{ - ufshcd_dump_regs(hba, UFS_TEST_BUS, 4, "UFS_TEST_BUS "); -} - -static void ufs_qcom_print_unipro_testbus(struct ufs_hba *hba) -{ - struct ufs_qcom_host *host = ufshcd_get_variant(hba); - u32 *testbus = NULL; - int i, nminor = 256, testbus_len = nminor * sizeof(u32); - - testbus = kmalloc(testbus_len, GFP_KERNEL); - if (!testbus) - return; - - host->testbus.select_major = TSTBUS_UNIPRO; - for (i = 0; i < nminor; i++) { - host->testbus.select_minor = i; - ufs_qcom_testbus_config(host); - testbus[i] = ufshcd_readl(hba, UFS_TEST_BUS); - } - print_hex_dump(KERN_ERR, "UNIPRO_TEST_BUS ", DUMP_PREFIX_OFFSET, - 16, 4, testbus, testbus_len, false); - kfree(testbus); -} - static void ufs_qcom_dump_dbg_regs(struct ufs_hba *hba) { ufshcd_dump_regs(hba, REG_UFS_SYS1CLK_1US, 16 * 4, "HCI Vendor Specific Registers "); - /* sleep a bit intermittently as we are dumping too much data */ ufs_qcom_print_hw_debug_reg_all(hba, NULL, ufs_qcom_dump_regs_wrapper); - udelay(1000); - ufs_qcom_testbus_read(hba); - udelay(1000); - ufs_qcom_print_unipro_testbus(hba); - udelay(1000); } /**