From 87dbcc69a7e3fe6ccddf4fe9bdbf51330f5e4a77 Mon Sep 17 00:00:00 2001 From: Mantas Pucka Date: Tue, 23 Jan 2024 11:04:04 +0200 Subject: [PATCH] remoteproc: qcom_q6v5_wcss: add optional qdss_at clock IPQ6018 needs QDSS_AT clock enabled when loading wifi. Optionally enable it when provided by DT. Signed-off-by: Mantas Pucka --- drivers/remoteproc/qcom_q6v5_wcss.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) --- a/drivers/remoteproc/qcom_q6v5_wcss.c +++ b/drivers/remoteproc/qcom_q6v5_wcss.c @@ -120,6 +120,7 @@ struct q6v5_wcss { struct clk *qdsp6ss_core_gfmux; struct clk *lcc_bcr_sleep; struct clk *prng_clk; + struct clk *qdss_clk; struct regulator *cx_supply; struct qcom_sysmon *sysmon; @@ -259,6 +260,9 @@ static int q6v5_wcss_start(struct rproc return ret; } + if (wcss->qdss_clk) + clk_prepare_enable(wcss->qdss_clk); + qcom_q6v5_prepare(&wcss->q6v5); if (wcss->need_mem_protection) { @@ -772,6 +776,8 @@ static int q6v5_wcss_stop(struct rproc * } pas_done: + if (wcss->qdss_clk) + clk_disable_unprepare(wcss->qdss_clk); clk_disable_unprepare(wcss->prng_clk); qcom_q6v5_unprepare(&wcss->q6v5); @@ -981,6 +987,12 @@ static int ipq_init_clock(struct q6v5_wc dev_err(wcss->dev, "Failed to get prng clock\n"); return ret; } + + wcss->qdss_clk = devm_clk_get(wcss->dev, "qdss"); + if (IS_ERR(wcss->qdss_clk)) { + wcss->qdss_clk = NULL; + } + return 0; }