From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:59350 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731786AbeIXSoc (ORCPT ); Mon, 24 Sep 2018 14:44:32 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Mathieu Poirier , Suzuki K Poulose , Sasha Levin Subject: [PATCH 4.18 192/235] coresight: ETM: Add support for Arm Cortex-A73 and Cortex-A35 Date: Mon, 24 Sep 2018 13:52:58 +0200 Message-Id: <20180924113123.600275477@linuxfoundation.org> In-Reply-To: <20180924113103.999624566@linuxfoundation.org> References: <20180924113103.999624566@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: 4.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Suzuki K Poulose [ Upstream commit 5cedd22370a0a460b663c06de1fc10b4ba3c5d0b ] Add ETM PIDs of the Arm cortex-A CPUs to the white list of ETMs. While at it add a helper macro to make it easier to add the new entries. Cc: Mathieu Poirier Signed-off-by: Suzuki K Poulose Signed-off-by: Mathieu Poirier Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/hwtracing/coresight/coresight-etm4x.c | 31 +++++++++++--------------- 1 file changed, 14 insertions(+), 17 deletions(-) --- a/drivers/hwtracing/coresight/coresight-etm4x.c +++ b/drivers/hwtracing/coresight/coresight-etm4x.c @@ -1027,7 +1027,8 @@ static int etm4_probe(struct amba_device } pm_runtime_put(&adev->dev); - dev_info(dev, "%s initialized\n", (char *)id->data); + dev_info(dev, "CPU%d: ETM v%d.%d initialized\n", + drvdata->cpu, drvdata->arch >> 4, drvdata->arch & 0xf); if (boot_enable) { coresight_enable(drvdata->csdev); @@ -1045,23 +1046,19 @@ err_arch_supported: return ret; } +#define ETM4x_AMBA_ID(pid) \ + { \ + .id = pid, \ + .mask = 0x000fffff, \ + } + static const struct amba_id etm4_ids[] = { - { /* ETM 4.0 - Cortex-A53 */ - .id = 0x000bb95d, - .mask = 0x000fffff, - .data = "ETM 4.0", - }, - { /* ETM 4.0 - Cortex-A57 */ - .id = 0x000bb95e, - .mask = 0x000fffff, - .data = "ETM 4.0", - }, - { /* ETM 4.0 - A72, Maia, HiSilicon */ - .id = 0x000bb95a, - .mask = 0x000fffff, - .data = "ETM 4.0", - }, - { 0, 0}, + ETM4x_AMBA_ID(0x000bb95d), /* Cortex-A53 */ + ETM4x_AMBA_ID(0x000bb95e), /* Cortex-A57 */ + ETM4x_AMBA_ID(0x000bb95a), /* Cortex-A72 */ + ETM4x_AMBA_ID(0x000bb959), /* Cortex-A73 */ + ETM4x_AMBA_ID(0x000bb9da), /* Cortex-A35 */ + {}, }; static struct amba_driver etm4x_driver = {