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[86.26.103.58]) by smtp.gmail.com with ESMTPSA id x13-20020a1c7c0d000000b003a5ca627333sm21085967wmc.8.2022.09.06.10.02.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Sep 2022 10:02:07 -0700 (PDT) From: Srinivas Kandagatla To: broonie@kernel.org Cc: lgirdwood@gmail.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, bgoswami@quicinc.com, perex@perex.cz, tiwai@suse.com, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Srinivas Kandagatla Subject: [PATCH v2 01/12] ASoC: codecs: wsa-macro: handle swr_reset correctly Date: Tue, 6 Sep 2022 18:01:01 +0100 Message-Id: <20220906170112.1984-2-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20220906170112.1984-1-srinivas.kandagatla@linaro.org> References: <20220906170112.1984-1-srinivas.kandagatla@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Reset soundwire block on frame sync generation clock reset. Without this we are hitting read/write timeouts randomly during runtime pm. Signed-off-by: Srinivas Kandagatla --- sound/soc/codecs/lpass-wsa-macro.c | 17 ++++------------- 1 file changed, 4 insertions(+), 13 deletions(-) diff --git a/sound/soc/codecs/lpass-wsa-macro.c b/sound/soc/codecs/lpass-wsa-macro.c index 27da6c6c3c5a..130d25b334ff 100644 --- a/sound/soc/codecs/lpass-wsa-macro.c +++ b/sound/soc/codecs/lpass-wsa-macro.c @@ -338,7 +338,6 @@ struct wsa_macro { int ec_hq[WSA_MACRO_RX1 + 1]; u16 prim_int_users[WSA_MACRO_RX1 + 1]; u16 wsa_mclk_users; - bool reset_swr; unsigned long active_ch_mask[WSA_MACRO_MAX_DAIS]; unsigned long active_ch_cnt[WSA_MACRO_MAX_DAIS]; int rx_port_value[WSA_MACRO_RX_MAX]; @@ -2271,23 +2270,16 @@ static int wsa_swrm_clock(struct wsa_macro *wsa, bool enable) wsa_macro_mclk_enable(wsa, true); /* reset swr ip */ - if (wsa->reset_swr) - regmap_update_bits(regmap, - CDC_WSA_CLK_RST_CTRL_SWR_CONTROL, - CDC_WSA_SWR_RST_EN_MASK, - CDC_WSA_SWR_RST_ENABLE); + regmap_update_bits(regmap, CDC_WSA_CLK_RST_CTRL_SWR_CONTROL, + CDC_WSA_SWR_RST_EN_MASK, CDC_WSA_SWR_RST_ENABLE); regmap_update_bits(regmap, CDC_WSA_CLK_RST_CTRL_SWR_CONTROL, CDC_WSA_SWR_CLK_EN_MASK, CDC_WSA_SWR_CLK_ENABLE); /* Bring out of reset */ - if (wsa->reset_swr) - regmap_update_bits(regmap, - CDC_WSA_CLK_RST_CTRL_SWR_CONTROL, - CDC_WSA_SWR_RST_EN_MASK, - CDC_WSA_SWR_RST_DISABLE); - wsa->reset_swr = false; + regmap_update_bits(regmap, CDC_WSA_CLK_RST_CTRL_SWR_CONTROL, + CDC_WSA_SWR_RST_EN_MASK, CDC_WSA_SWR_RST_DISABLE); } else { regmap_update_bits(regmap, CDC_WSA_CLK_RST_CTRL_SWR_CONTROL, CDC_WSA_SWR_CLK_EN_MASK, 0); @@ -2431,7 +2423,6 @@ static int wsa_macro_probe(struct platform_device *pdev) dev_set_drvdata(dev, wsa); - wsa->reset_swr = true; wsa->dev = dev; /* set MCLK and NPL rates */