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[98.57.15.22]) by smtp.gmail.com with ESMTPSA id 006d021491bc7-659332e1480sm4236722eaf.7.2025.12.02.08.26.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Dec 2025 08:26:28 -0800 (PST) From: Alexandru Gagniuc To: andersson@kernel.org, mathieu.poirier@linaro.org, linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, p.zabel@pengutronix.de, Govind Singh , Gokul Sriram Palanisamy Cc: konrad.dybcio@oss.qualcomm.com, linux-kernel@vger.kernel.org, Alexandru Gagniuc Subject: [PATCH v2 1/2] remoteproc: qcom_q6v5_wcss: fix parsing of qcom,halt-regs Date: Tue, 2 Dec 2025 10:26:24 -0600 Message-ID: <20251202162626.1135615-1-mr.nuke.me@gmail.com> X-Mailer: git-send-email 2.45.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The "qcom,halt-regs" consists of a phandle reference followed by the three offsets within syscon for halt registers. Thus, we need to request 4 integers from of_property_read_variable_u32_array(), with the halt_reg ofsets at indexes 1, 2, and 3. Offset 0 is the phandle. With MAX_HALT_REG at 3, of_property_read_variable_u32_array() returns -EOVERFLOW, causing .probe() to fail. Increase MAX_HALT_REG to 4, and update the indexes accordingly. Fixes: 0af65b9b915e ("remoteproc: qcom: wcss: Add non pas wcss Q6 support for QCS404") Signed-off-by: Alexandru Gagniuc --- changes since v1: - Add "Fixes:" to commit message drivers/remoteproc/qcom_q6v5_wcss.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c index 07c88623f5978..23ec87827d4f8 100644 --- a/drivers/remoteproc/qcom_q6v5_wcss.c +++ b/drivers/remoteproc/qcom_q6v5_wcss.c @@ -85,7 +85,7 @@ #define TCSR_WCSS_CLK_MASK 0x1F #define TCSR_WCSS_CLK_ENABLE 0x14 -#define MAX_HALT_REG 3 +#define MAX_HALT_REG 4 enum { WCSS_IPQ8074, WCSS_QCS404, @@ -864,9 +864,9 @@ 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; } -- 2.45.1