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Mon, 13 Jul 2026 22:21:50 -0700 (PDT) X-Received: by 2002:a05:6a21:4cca:b0:3c0:9c19:65b9 with SMTP id adf61e73a8af0-3c110a66059mr12624675637.65.1784006510017; Mon, 13 Jul 2026 22:21:50 -0700 (PDT) Received: from [10.92.197.28] ([202.46.23.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3120c8e41fcsm42074011eec.15.2026.07.13.22.21.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 13 Jul 2026 22:21:49 -0700 (PDT) Message-ID: <788b1ebb-db13-4f6f-9e92-46802d7027f6@oss.qualcomm.com> Date: Tue, 14 Jul 2026 10:51:42 +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> <4bcaa245-2127-45aa-bf05-48e275c0129c@oss.qualcomm.com> <72cb70b0-d89d-405b-b2b9-807e028d6fd3@sirena.org.uk> Content-Language: en-US From: Praveen Talari In-Reply-To: <72cb70b0-d89d-405b-b2b9-807e028d6fd3@sirena.org.uk> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: nMMpAuxsUQzQ2W0t539ZrH-Sy6KxqW1Z X-Proofpoint-ORIG-GUID: nMMpAuxsUQzQ2W0t539ZrH-Sy6KxqW1Z X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE0MDA1MSBTYWx0ZWRfX4oWoxd+06gfF WdQS8zFVvYN3pKCu8x/jnD9gprqRO/ODmXD4Rc59rQ1cfllJSDd7fu0gyYAwQqRyxXcOds/BNj4 pGHEdOO0LIazgnTf6TVaziK/caQtswM= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE0MDA1MSBTYWx0ZWRfX7+zXE6iIwxlR 56Uex7jw4+usnlkV0DCxoFCM9jMXjsfUDqR1dMUpALOWxwjz/TgOio68ITrNqXNAkoVscmHJvRT n2kl9MrqjRUIJYKxDlKDdJW6cuxCX6Unej0IjGoTxw/5dJ4QNw84eFv3/EaZwmauf2Ksep2HGY5 xu9hviikro5/hSZ/AFn94curBgXxKp4+KZqqyJzpNbcTYgkLfg++aFK/4oS4e6N8amEd4VrGa+M qFvgdnHhuGjPY8/KSMW2Bia+eaoMWVHetatzV3qjF4f3aN6neyS4bANTJEMw2ZNEUtVtoMhDZwU rXsNop9FizABKMb/lNBxDhceTDagfJv62kpKcqrOh2NR9XqIgv7HaH1vBv3i8+wHF0ikLw9SDCi pM59wmQ80PfDNBdow0+Tok1W/EWOSoXqNJ5mdi0zIwxSxxpYkTnfZh3tD8+Nj4cvEbMdy8xDjk1 n3M6HFMtsaHX2vDZkBA== X-Authority-Analysis: v=2.4 cv=P84KQCAu c=1 sm=1 tr=0 ts=6a55c76f cx=c_pps a=Oh5Dbbf/trHjhBongsHeRQ==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=JsoTjjDMo91fjAJr_joA:9 a=QEXdDO2ut3YA:10 a=_Vgx9l1VpLgwpw_dHYaR:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-14_01,2026-07-10_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 impostorscore=0 malwarescore=0 lowpriorityscore=0 phishscore=0 spamscore=0 bulkscore=0 suspectscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607140051 Hi On 13-07-2026 16:16, Mark Brown wrote: > On Sat, Jul 11, 2026 at 08:21:02AM +0530, Praveen Talari wrote: >> On 11-07-2026 02:56, Mark Brown wrote: >>> On Sat, Jul 11, 2026 at 12:18:42AM +0530, Praveen Talari wrote: >>>> +#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. >> Yes, you are correct but >> If this header in drivers/soc/qcom/qcom-geni-se.c, how it will be access >> trace API in other drivers like i2c, spi and uart? > The header needs to be in the users but the CREATE_ define that you cut > needs to be in only one place to actually create the tracepoints. Sure, got it. > >>>> @@ -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? >> it will be captured in m_irq register so it is not required to capture. > Are you sure that won't lead to user confusion? No since m_irq can capture most of other bits as well. Thanks, Praveen talari