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Tue, 14 Jul 2026 08:34:24 -0700 (PDT) X-Received: by 2002:a05:6a21:b8d:b0:3c0:9c19:659a with SMTP id adf61e73a8af0-3c110b7b9f2mr15857483637.66.1784043263511; Tue, 14 Jul 2026 08:34:23 -0700 (PDT) Received: from [192.168.0.5] ([49.204.105.43]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3118ee6091dsm98267315eec.14.2026.07.14.08.34.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 14 Jul 2026 08:34:22 -0700 (PDT) Message-ID: Date: Tue, 14 Jul 2026 21:04:17 +0530 Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/2] spi: qcom-geni: add GENI SE registers trace event on error paths To: Mark Brown Cc: Bjorn Andersson , Konrad Dybcio , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-spi@vger.kernel.org, Mukesh Kumar Savaliya , Konrad Dybcio References: <20260711-add-tracepoints-for-se-reg-dump-v2-0-ca1e9ba62359@oss.qualcomm.com> <20260711-add-tracepoints-for-se-reg-dump-v2-2-ca1e9ba62359@oss.qualcomm.com> Content-Language: en-US From: Praveen Talari In-Reply-To: Content-Type: text/plain; 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However, diagnosing the root cause of these >> failures is difficult as the hardware state is not captured when the >> error occurs. >> +#include > Should this be in rivers/soc/qcom/qcom-geni-se.c (and the first patch?) > - that way if another driver starts using them we won't multiply define > the tracepoints. > >> @@ -986,10 +997,13 @@ static irqreturn_t geni_spi_isr(int irq, void *data) >> writel(0, se->base + SE_GENI_TX_WATERMARK_REG); >> dev_err(mas->dev, "Premature done. tx_rem = %d bpw%d\n", >> mas->tx_rem_bytes, mas->cur_bits_per_word); >> + trace_geni_se_regs(se); > SE_GENI_TX_WATERMARK_REG is one of the registers in the tracepoint, > perhaps trace before we write to clear it? I got you now. Yes you are correct, its better trace before clearing it. Will update in next patch. Thanks, Praveen Talari