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Subject[PATCH 05/12] remoteproc: qcom: Update regmap offsets for halt register
Date
Fixed issue in reading halt-regs parameter from device-tree.
Also adding a flag to check for bcr reset which is not
required for ipq8074.

Signed-off-by: Gokul Sriram Palanisamy <gokulsri@codeaurora.org>
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
---
drivers/remoteproc/qcom_q6v5_wcss.c | 28 ++++++++++++++++++----------
1 file changed, 18 insertions(+), 10 deletions(-)

diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c
index 6d3ef06..b4ef5d3 100644
--- a/drivers/remoteproc/qcom_q6v5_wcss.c
+++ b/drivers/remoteproc/qcom_q6v5_wcss.c
@@ -83,7 +83,7 @@
#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

@@ -149,6 +149,7 @@ struct wcss_data {
int crash_reason_smem;
u8 version;
bool aon_reset_required;
+ bool bcr_reset_required;
const char *ssr_name;
const char *sysmon_name;
int ssctl_id;
@@ -810,7 +811,8 @@ static int q6v5_wcss_load(struct rproc *rproc, const struct firmware *fw)
};

static int q6v5_wcss_init_reset(struct q6v5_wcss *wcss,
- bool aon_reset_required)
+ bool aon_reset_required,
+ bool bcr_reset_required)
{
struct device *dev = wcss->dev;

@@ -834,10 +836,13 @@ static int q6v5_wcss_init_reset(struct q6v5_wcss *wcss,
return PTR_ERR(wcss->wcss_q6_reset);
}

- 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_reset);
+ if (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_reset);
+ }
}

return 0;
@@ -885,9 +890,9 @@ 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;
}
@@ -1111,7 +1116,8 @@ static int q6v5_wcss_probe(struct platform_device *pdev)
goto free_rproc;
}

- ret = q6v5_wcss_init_reset(wcss, desc->aon_reset_required);
+ ret = q6v5_wcss_init_reset(wcss, desc->aon_reset_required,
+ desc->bcr_reset_required);
if (ret)
goto free_rproc;

@@ -1156,6 +1162,7 @@ static int q6v5_wcss_remove(struct platform_device *pdev)
.m3_firmware_name = "IPQ8074/m3_fw.mdt",
.crash_reason_smem = 421,
.aon_reset_required = true,
+ .bcr_reset_required = false,
.ssr_name = "q6wcss",
.ops = &q6v5_wcss_ipq8074_ops,
.requires_force_stop = true,
@@ -1169,6 +1176,7 @@ static int q6v5_wcss_remove(struct platform_device *pdev)
.q6_firmware_name = "wcnss.mdt",
.version = WCSS_QCS404,
.aon_reset_required = false,
+ .bcr_reset_required = true,
.ssr_name = "mpss",
.sysmon_name = "wcnss",
.ssctl_id = 0x12,
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation
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