From patchwork Wed May 13 09:31:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gokul Sriram Palanisamy X-Patchwork-Id: 11545501 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 0BF08112C for ; Wed, 13 May 2020 09:32:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F26642078C for ; Wed, 13 May 2020 09:32:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726743AbgEMJbs (ORCPT ); Wed, 13 May 2020 05:31:48 -0400 Received: from alexa-out-blr-02.qualcomm.com ([103.229.18.198]:57562 "EHLO alexa-out-blr-02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729707AbgEMJbr (ORCPT ); Wed, 13 May 2020 05:31:47 -0400 Received: from ironmsg01-blr.qualcomm.com ([10.86.208.130]) by alexa-out-blr-02.qualcomm.com with ESMTP/TLS/AES256-SHA; 13 May 2020 15:01:36 +0530 Received: from gokulsri-linux.qualcomm.com ([10.201.2.207]) by ironmsg01-blr.qualcomm.com with ESMTP; 13 May 2020 15:01:09 +0530 Received: by gokulsri-linux.qualcomm.com (Postfix, from userid 432570) id D72CF21779; Wed, 13 May 2020 15:01:06 +0530 (IST) From: Gokul Sriram Palanisamy To: gokulsri@codeaurora.org, sboyd@kernel.org, agross@kernel.org, bjorn.andersson@linaro.org, david.brown@linaro.org, devicetree@vger.kernel.org, jassisinghbrar@gmail.com, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-remoteproc@vger.kernel.org, mark.rutland@arm.com, mturquette@baylibre.com, ohad@wizery.com, robh+dt@kernel.org, sricharan@codeaurora.org, nprakash@codeaurora.org Subject: [PATCH V5 05/10] remoteproc: qcom: Update regmap offsets for halt register Date: Wed, 13 May 2020 15:01:00 +0530 Message-Id: <1589362265-22702-6-git-send-email-gokulsri@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1589362265-22702-1-git-send-email-gokulsri@codeaurora.org> References: <1589362265-22702-1-git-send-email-gokulsri@codeaurora.org> Sender: linux-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org Fixed issue in reading halt-regs parameter from device-tree. Signed-off-by: Gokul Sriram Palanisamy Signed-off-by: Sricharan R --- drivers/remoteproc/qcom_q6v5_wcss.c | 22 ++++++++++++++-------- 1 file changed, 14 insertions(+), 8 deletions(-) diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c index 0a23aca..49f2d31 100644 --- a/drivers/remoteproc/qcom_q6v5_wcss.c +++ b/drivers/remoteproc/qcom_q6v5_wcss.c @@ -86,7 +86,7 @@ #define TCSR_WCSS_CLK_MASK 0x1F #define TCSR_WCSS_CLK_ENABLE 0x14 -#define MAX_HALT_REG 3 +#define MAX_HALT_REG 4 #define WCNSS_PAS_ID 6 @@ -154,6 +154,7 @@ struct wcss_data { u32 version; bool aon_reset_required; bool wcss_q6_reset_required; + bool bcr_reset_required; const char *ssr_name; const char *sysmon_name; int ssctl_id; @@ -868,10 +869,13 @@ static int q6v5_wcss_init_reset(struct q6v5_wcss *wcss, } } - wcss->wcss_q6_bcr_reset = devm_reset_control_get_exclusive(dev, "wcss_q6_bcr_reset"); - if (IS_ERR(wcss->wcss_q6_bcr_reset)) { - dev_err(wcss->dev, "unable to acquire wcss_q6_bcr_reset\n"); - return PTR_ERR(wcss->wcss_q6_bcr_reset); + if (desc->bcr_reset_required) { + wcss->wcss_q6_bcr_reset = devm_reset_control_get_exclusive(dev, + "wcss_q6_bcr_reset"); + if (IS_ERR(wcss->wcss_q6_bcr_reset)) { + dev_err(wcss->dev, "unable to acquire wcss_q6_bcr_reset\n"); + return PTR_ERR(wcss->wcss_q6_bcr_reset); + } } return 0; @@ -919,9 +923,9 @@ static int q6v5_wcss_init_mmio(struct q6v5_wcss *wcss, return -EINVAL; } - wcss->halt_q6 = halt_reg[0]; - wcss->halt_wcss = halt_reg[1]; - wcss->halt_nc = halt_reg[2]; + wcss->halt_q6 = halt_reg[1]; + wcss->halt_wcss = halt_reg[2]; + wcss->halt_nc = halt_reg[3]; return 0; } @@ -1166,6 +1170,7 @@ static const struct wcss_data wcss_ipq8074_res_init = { .crash_reason_smem = WCSS_CRASH_REASON, .aon_reset_required = true, .wcss_q6_reset_required = true, + .bcr_reset_required = false, .ssr_name = "q6wcss", .ops = &q6v5_wcss_ipq8074_ops, .requires_force_stop = true, @@ -1180,6 +1185,7 @@ static const struct wcss_data wcss_qcs404_res_init = { .version = WCSS_QCS404, .aon_reset_required = false, .wcss_q6_reset_required = false, + .bcr_reset_required = true, .ssr_name = "mpss", .sysmon_name = "wcnss", .ssctl_id = 0x12,