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[106.69.184.100]) by smtp.gmail.com with ESMTPSA id c7sm2338168pfj.100.2020.09.09.03.28.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Sep 2020 03:28:27 -0700 (PDT) From: Kent Gibson To: linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, bgolaszewski@baylibre.com, linus.walleij@linaro.org Cc: Kent Gibson Subject: [PATCH v8 13/20] gpio: uapi: document uAPI v1 as deprecated Date: Wed, 9 Sep 2020 18:26:33 +0800 Message-Id: <20200909102640.1657622-14-warthog618@gmail.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200909102640.1657622-1-warthog618@gmail.com> References: <20200909102640.1657622-1-warthog618@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Update uAPI documentation to deprecate v1 structs and ioctls. Signed-off-by: Kent Gibson --- include/uapi/linux/gpio.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/include/uapi/linux/gpio.h b/include/uapi/linux/gpio.h index 87074886e73d..8f768c66fa96 100644 --- a/include/uapi/linux/gpio.h +++ b/include/uapi/linux/gpio.h @@ -275,6 +275,9 @@ struct gpio_v2_line_event { /* * ABI v1 + * + * This version of the ABI is deprecated and will be removed in the future. + * Use the latest version of the ABI, defined above, instead. */ /* Informational flags */ @@ -298,6 +301,9 @@ struct gpio_v2_line_event { * @consumer: a functional name for the consumer of this GPIO line as set by * whatever is using it, will be empty if there is no current user but may * also be empty if the consumer doesn't set this up + * + * This struct is part of ABI v1 and is deprecated. + * Use struct gpio_v2_line_info instead. */ struct gpioline_info { __u32 line_offset; @@ -329,6 +335,9 @@ enum { * guarantee there are no implicit holes between it and subsequent members. * The 20-byte padding at the end makes sure we don't add any implicit padding * at the end of the structure on 64-bit architectures. + * + * This struct is part of ABI v1 and is deprecated. + * Use struct gpio_v2_line_info_changed instead. */ struct gpioline_info_changed { struct gpioline_info info; @@ -368,6 +377,9 @@ struct gpioline_info_changed { * @fd: if successful this field will contain a valid anonymous file handle * after a GPIO_GET_LINEHANDLE_IOCTL operation, zero or negative value * means error + * + * This struct is part of ABI v1 and is deprecated. + * Use struct gpio_v2_line_request instead. */ struct gpiohandle_request { __u32 lineoffsets[GPIOHANDLES_MAX]; @@ -387,6 +399,9 @@ struct gpiohandle_request { * this specifies the default output value, should be 0 (low) or * 1 (high), anything else than 0 or 1 will be interpreted as 1 (high) * @padding: reserved for future use and should be zero filled + * + * This struct is part of ABI v1 and is deprecated. + * Use struct gpio_v2_line_config instead. */ struct gpiohandle_config { __u32 flags; @@ -399,6 +414,9 @@ struct gpiohandle_config { * @values: when getting the state of lines this contains the current * state of a line, when setting the state of lines these should contain * the desired target state + * + * This struct is part of ABI v1 and is deprecated. + * Use struct gpio_v2_line_values instead. */ struct gpiohandle_data { __u8 values[GPIOHANDLES_MAX]; @@ -422,6 +440,9 @@ struct gpiohandle_data { * @fd: if successful this field will contain a valid anonymous file handle * after a GPIO_GET_LINEEVENT_IOCTL operation, zero or negative value * means error + * + * This struct is part of ABI v1 and is deprecated. + * Use struct gpio_v2_line_request instead. */ struct gpioevent_request { __u32 lineoffset; @@ -441,6 +462,9 @@ struct gpioevent_request { * struct gpioevent_data - The actual event being pushed to userspace * @timestamp: best estimate of time of event occurrence, in nanoseconds * @id: event identifier + * + * This struct is part of ABI v1 and is deprecated. + * Use struct gpio_v2_line_event instead. */ struct gpioevent_data { __u64 timestamp; @@ -465,6 +489,8 @@ struct gpioevent_data { /* * v1 ioctl()s + * + * These ioctl()s are deprecated. Use the v2 equivalent instead. */ #define GPIO_GET_LINEINFO_IOCTL _IOWR(0xB4, 0x02, struct gpioline_info) #define GPIO_GET_LINEHANDLE_IOCTL _IOWR(0xB4, 0x03, struct gpiohandle_request) -- 2.28.0