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Thu, 09 Feb 2023 05:13:47 -0800 (PST) From: Srinivas Kandagatla To: vkoul@kernel.org Subject: [PATCH 1/5] soundwire: qcom: update status correctly with mask Date: Thu, 9 Feb 2023 13:13:32 +0000 Message-Id: <20230209131336.18252-2-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20230209131336.18252-1-srinivas.kandagatla@linaro.org> References: <20230209131336.18252-1-srinivas.kandagatla@linaro.org> MIME-Version: 1.0 Message-ID-Hash: 5ZDSJPRKMX43FIKHJ2RRPYJFNRQ4MEZO X-Message-ID-Hash: 5ZDSJPRKMX43FIKHJ2RRPYJFNRQ4MEZO X-MailFrom: srinivas.kandagatla@linaro.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: yung-chuan.liao@linux.intel.com, pierre-louis.bossart@linux.intel.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, steev@kali.org, johan+linaro@kernel.org, quic_bjorande@quicinc.com, Srinivas Kandagatla X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: SoundWire device status can be incorrectly updated without proper mask, fix this by adding a mask before updating the status. Fixes: c7d49c76d1d5 ("soundwire: qcom: add support to new interrupts") Signed-off-by: Srinivas Kandagatla --- drivers/soundwire/qcom.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c index 335424870290..9d8ae77bad0a 100644 --- a/drivers/soundwire/qcom.c +++ b/drivers/soundwire/qcom.c @@ -434,7 +434,7 @@ static int qcom_swrm_get_alert_slave_dev_num(struct qcom_swrm_ctrl *ctrl) status = (val >> (dev_num * SWRM_MCP_SLV_STATUS_SZ)); if ((status & SWRM_MCP_SLV_STATUS_MASK) == SDW_SLAVE_ALERT) { - ctrl->status[dev_num] = status; + ctrl->status[dev_num] = status & SWRM_MCP_SLV_STATUS_MASK; return dev_num; } }