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Thu, 09 Jul 2026 23:28:43 -0700 (PDT) X-Received: by 2002:a05:6a20:d708:b0:3bf:e761:6285 with SMTP id adf61e73a8af0-3c0bc9e3763mr12485191637.29.1783664922993; Thu, 09 Jul 2026 23:28:42 -0700 (PDT) Received: from [10.217.219.87] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-31198cb2b99sm18237605eec.26.2026.07.09.23.28.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 09 Jul 2026 23:28:42 -0700 (PDT) Message-ID: <974e8000-79f7-4713-9fd1-3398269e0951@oss.qualcomm.com> Date: Fri, 10 Jul 2026 11:58:37 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/3] i2c: qcom-geni: use dedicated completions for abort and reset events To: Praveen Talari , Viken Dadhaniya , Andi Shyti Cc: linux-arm-msm@vger.kernel.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, Naresh Maramaina References: <20260709-fix_cancel_sequence_on_failure_for_i2c-v2-0-1db178c695bb@oss.qualcomm.com> <20260709-fix_cancel_sequence_on_failure_for_i2c-v2-2-1db178c695bb@oss.qualcomm.com> Content-Language: en-US From: Mukesh Savaliya In-Reply-To: <20260709-fix_cancel_sequence_on_failure_for_i2c-v2-2-1db178c695bb@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: uItk5YfsAaxNhU_BJUZKWNf2ttcFUDDV X-Proofpoint-ORIG-GUID: uItk5YfsAaxNhU_BJUZKWNf2ttcFUDDV X-Proofpoint-Spam-Info: AW1haW4tMjYwNzEwMDA2MCBTYWx0ZWRfX+juAJ1k1sEq0 ojX+AtbLOnKbgy53ocKWRmbNsMb0cjr2EL4rp3VoYPo6TNVQDiD73PRRQ3M5vVc6/JJliEFB2uu whxTF7g/C5NiaVWwXEjS2UTxKzg7W9Y= X-Authority-Analysis: v=2.4 cv=daKwG3Xe c=1 sm=1 tr=0 ts=6a50911c cx=c_pps a=oF/VQ+ItUULfLr/lQ2/icg==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=EUspDBNiAAAA:8 a=yZg5s6-rMQmTt4nTBlcA:9 a=QEXdDO2ut3YA:10 a=ZXulRonScM0A:10 a=3WC7DwWrALyhR5TkjVHa:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzEwMDA2MCBTYWx0ZWRfX1Jm6NQiIfb6D iDp/ZMIfLFttoLrrrxw1HTEvjFrNN6PgEPDn6ztMFmIa5cUBR3dVZxVJHxzew+/MTfqf57cGRQe yWd8VCz2GYT90QPqr9TfYf5V2eg5KbpuDpza9G+Sq2HnLyut1QlauiC872dbLTB2D40hhXRgFNP tBRI2JwJjbJHKPV/0uK4qs2FT4aG5lp89RXWUFEvSKnwDh6Rnim+nYAYn/sNl2V+g71zP9aTOPR KKKjIMrRn/DkYqT6AiFfX2fe0DcQmJmAUx9WPfiyowqljbG4p6JdfgzEfK4zoITP8KUiv+vPMxM ufAldMp7Kp7ox0zCDR1G96EcCwUWYHx2jMPsDxwkciJf1ZvgemRttfYXXQmV3LA4ol0FHKhbmJi EnU5pGyM0Dog4P2Jucf2o2OgWz6NllbtlkJ2QOUfLgxJp3tJPDCdhVDAY1lJLUXlpdK0SPTUvs2 TqEbON7R7+jY3ZmO86w== 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=2026-07-10_01,2026-07-09_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 phishscore=0 adultscore=0 suspectscore=0 lowpriorityscore=0 clxscore=1015 malwarescore=0 priorityscore=1501 bulkscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607100060 On 7/9/2026 9:50 AM, Praveen Talari wrote: > The driver uses a common completion event for transfer, abort and DMA > reset operations. This allows unrelated completion events to > prematurely wake abort and reset waiters, leading to incorrect > synchronization. > > Introduce dedicated completions for abort, TX reset, and RX reset > operations, and signal them only from their respective interrupt > events. This removes the dependency on shared completion state and > eliminates the abort_done flag-based synchronization. > > Co-developed-by: Naresh Maramaina > Signed-off-by: Naresh Maramaina > Signed-off-by: Praveen Talari > --- > drivers/i2c/busses/i2c-qcom-geni.c | 54 +++++++++++++++++++------------------- > 1 file changed, 27 insertions(+), 27 deletions(-) > Reviewed-by: Mukesh Kumar Savaliya