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Wed, 19 Aug 2026 04:13:42 -0700 (PDT) X-Received: by 2002:ac8:7f0f:0:b0:517:6162:daf5 with SMTP id d75a77b69052e-52dd5c958aamr25088541cf.3.1787138022385; Wed, 19 Aug 2026 04:13:42 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c243c7a6bd9sm57416566b.23.2026.08.19.04.13.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 19 Aug 2026 04:13:41 -0700 (PDT) Message-ID: <061e5547-4109-4965-8e97-fb126dea3a28@oss.qualcomm.com> Date: Wed, 19 Aug 2026 13:13:37 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/3] serial: qcom-geni: Propagate errors from optional IRQ lookup To: phucduc.bui@gmail.com, Jiri Slaby , Greg Kroah-Hartman , Frank Li , AngeloGioacchino Del Regno , Sascha Hauer , Fabio Estevam , Yenchia Chen , Daniel Golle , Zhiyong Tao , Sherry Sun , Robin Gong , Viken Dadhaniya , Praveen Talari Cc: Matthias Brugger , Pengutronix Kernel Team , Zong Jiang , Aniket Randive , Kathiravan Thirumoorthy , Anup Kulkarni , Krzysztof Kozlowski , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, linux-mediatek@lists.infradead.org, imx@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <20260807090945.41690-1-phucduc.bui@gmail.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260807090945.41690-1-phucduc.bui@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwODE5MDA4NiBTYWx0ZWRfXwLMkiB7WN/2+ c4tj8whPpE9GZpTv+4TIy/oAiqav0HJGXSWKH6zVKbuUZP0MNtantRZuU8ZgYEaeRrobwS26JMX cyRo8EYK6+vGJGgMhjnKpW8Ih8a1TZY= X-Authority-Analysis: v=2.4 cv=H5PrBeYi c=1 sm=1 tr=0 ts=6a858fe7 cx=c_pps a=JbAStetqSzwMeJznSMzCyw==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=HsG88Ws7tFqbOaRkTuUA:9 a=QEXdDO2ut3YA:10 a=uxP6HrT_eTzRwkO_Te1X:22 X-Proofpoint-ORIG-GUID: DLoRx2VW05ClRv03_Z5U9MGlWZCgE7gA X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODE5MDA4NiBTYWx0ZWRfX/7zyM8Uclkis y+rhMCdVpfUirizW5y67u+/34H30bO4G3UHydc7tRXrhfcxXPOUKlg0rqb6H2Ud2LvuquVgdSqs c7f9Wma15L+T25WTUElOL7ZUymGdKfp3tBQrUKhhjUP43tA4aw8r+CDyFKS+Sm4b/8ogTMg+aub 0qa0z+ojTZ/PYNGxS7ghNo7636eurptrihM92W8jTrDx9EAelOTRaq0a+BG7yfqoUgiqZTB0Zx/ VwMrIFVwTZZMGNW0w++ecron9vZ9JFHCMhdRydYlEDbtY2y4D/V5L/RItV1x7e1azxwEYfEhN85 REbCewUyI0gizu2poJLXnYKmalsBstt1KFSHUBh24IczQPtXscAeMRub2rdc5fOXIZVm2jaCxkn jlXpPMKiDhtfA51lmU7JEBS8sB2TfckfTVYUhlifRTBlzToZK+qkbiN2GB2awzlEbfKbpiIntNe 5YS+fGqYyQhW91cS30w== X-Proofpoint-GUID: DLoRx2VW05ClRv03_Z5U9MGlWZCgE7gA X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-19_03,2026-08-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 bulkscore=0 impostorscore=0 adultscore=0 suspectscore=0 lowpriorityscore=0 phishscore=0 malwarescore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608190086 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260819_041344_497125_1B4FBAD8 X-CRM114-Status: GOOD ( 13.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 8/7/26 11:09 AM, phucduc.bui@gmail.com wrote: > From: bui duc phuc > > platform_get_irq_optional() returns a positive IRQ number on success or > a negative error code on failure. For an optional IRQ, -ENXIO indicates > that no IRQ is available, while other errors should be propagated. > > Propagate errors such as -EPROBE_DEFER and -EINVAL instead of continuing > probe without the IRQ. > > Signed-off-by: bui duc phuc > --- Reviewed-by: Konrad Dybcio Konrad