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Fixes: a661308c34de ("soundwire: qcom: wait for fifo space to be available before read/write") Signed-off-by: Srinivas Kandagatla --- drivers/soundwire/qcom.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c index 8f1a1eb017a2..cee2b2223141 100644 --- a/drivers/soundwire/qcom.c +++ b/drivers/soundwire/qcom.c @@ -380,6 +380,12 @@ static int qcom_swrm_cmd_fifo_rd_cmd(struct qcom_swrm_ctrl *swrm, val = swrm_get_packed_reg_val(&swrm->rcmd_id, len, dev_addr, reg_addr); + /* + * Check for outstanding cmd wrt. write fifo depth to avoid + * overflow as read will also increase write fifo cnt. + */ + swrm_wait_for_wr_fifo_avail(swrm); + /* wait for FIFO RD to complete to avoid overflow */ usleep_range(100, 105); swrm->reg_write(swrm, SWRM_CMD_FIFO_RD_CMD, val); From patchwork Wed Oct 26 11:02:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivas Kandagatla X-Patchwork-Id: 618830 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A51D8C433FE for ; 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Wed, 26 Oct 2022 04:02:25 -0700 (PDT) From: Srinivas Kandagatla To: vkoul@kernel.org, yung-chuan.liao@linux.intel.com Subject: [PATCH 3/6] soundwire: qcom: remove unused SWRM_SPECIAL_CMD_ID Date: Wed, 26 Oct 2022 12:02:07 +0100 Message-Id: <20221026110210.6575-4-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20221026110210.6575-1-srinivas.kandagatla@linaro.org> References: <20221026110210.6575-1-srinivas.kandagatla@linaro.org> MIME-Version: 1.0 Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-arm-msm@vger.kernel.org, andersson@kernel.org, pierre-louis.bossart@linux.intel.com, linux-kernel@vger.kernel.org, robh+dt@kernel.org, srinivas.kandagatla@linaro.org, krzysztof.kozlowski+dt@linaro.org, sanyog.r.kale@intel.com X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Signed-off-by: Srinivas Kandagatla --- drivers/soundwire/qcom.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c index cee2b2223141..7bc8cd0e906b 100644 --- a/drivers/soundwire/qcom.c +++ b/drivers/soundwire/qcom.c @@ -104,7 +104,6 @@ #define SWRM_REG_VAL_PACK(data, dev, id, reg) \ ((reg) | ((id) << 16) | ((dev) << 20) | ((data) << 24)) -#define SWRM_SPECIAL_CMD_ID 0xF #define MAX_FREQ_NUM 1 #define TIMEOUT_MS 100 #define QCOM_SWRM_MAX_RD_LEN 0x1 From patchwork Wed Oct 26 11:02:09 2022 Content-Type: text/plain; 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Wed, 26 Oct 2022 04:02:28 -0700 (PDT) Received: from localhost.localdomain ([5.133.47.210]) by smtp.gmail.com with ESMTPSA id z7-20020a5d44c7000000b0023672104c24sm5237415wrr.74.2022.10.26.04.02.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Oct 2022 04:02:27 -0700 (PDT) From: Srinivas Kandagatla To: vkoul@kernel.org, yung-chuan.liao@linux.intel.com Subject: [PATCH 5/6] dt-bindings: soundwire: qcom: add v1.7.0 support Date: Wed, 26 Oct 2022 12:02:09 +0100 Message-Id: <20221026110210.6575-6-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20221026110210.6575-1-srinivas.kandagatla@linaro.org> References: <20221026110210.6575-1-srinivas.kandagatla@linaro.org> MIME-Version: 1.0 Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-arm-msm@vger.kernel.org, andersson@kernel.org, pierre-louis.bossart@linux.intel.com, linux-kernel@vger.kernel.org, robh+dt@kernel.org, srinivas.kandagatla@linaro.org, krzysztof.kozlowski+dt@linaro.org, sanyog.r.kale@intel.com X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Signed-off-by: Srinivas Kandagatla --- Documentation/devicetree/bindings/soundwire/qcom,sdw.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/soundwire/qcom,sdw.txt b/Documentation/devicetree/bindings/soundwire/qcom,sdw.txt index c85c25779e3f..e0faed8dceac 100644 --- a/Documentation/devicetree/bindings/soundwire/qcom,sdw.txt +++ b/Documentation/devicetree/bindings/soundwire/qcom,sdw.txt @@ -13,6 +13,7 @@ board specific bus parameters. "qcom,soundwire-v1.5.0" "qcom,soundwire-v1.5.1" "qcom,soundwire-v1.6.0" + "qcom,soundwire-v1.7.0" - reg: Usage: required Value type: