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[81.44.253.244]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49b945816f2sm344786125e9.8.2026.08.31.07.32.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 Aug 2026 07:32:59 -0700 (PDT) From: =?UTF-8?q?Iv=C3=A1n=20Ezequiel=20Rodriguez?= To: Jonathan Corbet , Bartosz Golaszewski Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, =?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?= , Jason Wang , Sumit Semwal , =?UTF-8?q?Iv=C3=A1n=20Ezequiel=20Rodriguez?= Subject: [PATCH 7/7] gpio: cdev: return EOPNOTSUPP when HTE is unavailable Date: Mon, 31 Aug 2026 11:31:25 -0300 Message-ID: <20260831143125.151360-8-ivanrwcm25@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260831143125.151360-1-ivanrwcm25@gmail.com> References: <20260831143125.151360-1-ivanrwcm25@gmail.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit GPIO v2 documentation promises -EOPNOTSUPP when GPIO_V2_LINE_FLAG_EVENT_CLOCK_HTE is requested without HTE hardware; map -ENODEV from hte_ts_get() in the HTE-only edge setup path. Signed-off-by: Iván Ezequiel Rodriguez --- drivers/gpio/gpiolib-cdev.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c index 9f3b628d5793..6dc01f7ea838 100644 --- a/drivers/gpio/gpiolib-cdev.c +++ b/drivers/gpio/gpiolib-cdev.c @@ -715,6 +715,8 @@ static int hte_edge_setup(struct line *line, u64 eflags) line->desc); ret = hte_ts_get(NULL, hdesc, 0); + if (ret == -ENODEV) + return -EOPNOTSUPP; if (ret) return ret; -- 2.43.0