linux-kernel - [PATCH v7 5/9] remoteproc: qcom: Update regmap offsets for halt register

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1596112003-31663-6-git-send-email-gokulsri@codeaurora.org>
Date:   Thu, 30 Jul 2020 17:56:39 +0530
From:   Gokul Sriram Palanisamy <gokulsri@...eaurora.org>
To:     gokulsri@...eaurora.org, agross@...nel.org,
        bjorn.andersson@...aro.org, david.brown@...aro.org,
        devicetree@...r.kernel.org, jassisinghbrar@...il.com,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        mark.rutland@....com, mturquette@...libre.com,
        nprakash@...eaurora.org, ohad@...ery.com, robh+dt@...nel.org,
        sboyd@...nel.org, sricharan@...eaurora.org
Subject: [PATCH v7 5/9] remoteproc: qcom: Update regmap offsets for halt register

Fixed issue in reading halt-regs parameter from device-tree.

Signed-off-by: Gokul Sriram Palanisamy <gokulsri@...eaurora.org>
Signed-off-by: Sricharan R <sricharan@...eaurora.org>
---
 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 44372e4..cca9356 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;
@@ -874,10 +875,13 @@ 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;
@@ -925,9 +929,9 @@ 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;
 }
@@ -1172,6 +1176,7 @@ 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,
@@ -1186,6 +1191,7 @@ 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,
-- 
2.7.4