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Tue, 10 Jun 2025 07:38:42 -0700 (PDT) From: Bartosz Golaszewski Date: Tue, 10 Jun 2025 16:38:30 +0200 Subject: [PATCH RFC/RFT 15/15] gpio: TODO: remove the task for the sysfs rework Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250610-gpio-sysfs-chip-export-v1-15-a8c7aa4478b1@linaro.org> References: <20250610-gpio-sysfs-chip-export-v1-0-a8c7aa4478b1@linaro.org> In-Reply-To: <20250610-gpio-sysfs-chip-export-v1-0-a8c7aa4478b1@linaro.org> To: Ahmad Fatoum , Kent Gibson , =?utf-8?q?Jan_L=C3=BCbbe?= , Marek Vasut , Geert Uytterhoeven , Linus Walleij , Bartosz Golaszewski Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1371; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=FrDvVu23TJm5ghXSfiA8hCOI1OUNHhCK1w5KAsAVwJY=; 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Signed-off-by: Bartosz Golaszewski --- drivers/gpio/TODO | 13 ------------- 1 file changed, 13 deletions(-) diff --git a/drivers/gpio/TODO b/drivers/gpio/TODO index 4a8b349f2483a91883c74b07a43efb1462dbd377..97024925f14ab92b311741b0b79= 44acbddcf5c4b 100644 --- a/drivers/gpio/TODO +++ b/drivers/gpio/TODO @@ -183,19 +183,6 @@ remove the old ones and finally rename the new ones ba= ck to the old names. =20 --------------------------------------------------------------------------= ----- =20 -Extend the sysfs ABI to allow exporting lines by their HW offsets - -The need to support the sysfs GPIO class is one of the main obstacles to -removing the global GPIO numberspace from the kernel. In order to wean use= rs -off using global numbers from user-space, extend the existing interface wi= th -new per-gpiochip export/unexport attributes that allow to refer to GPIOs u= sing -their hardware offsets within the chip. - -Encourage users to switch to using them and eventually remove the existing -global export/unexport attribues. - ---------------------------------------------------------------------------= ----- - Remove GPIOD_FLAGS_BIT_NONEXCLUSIVE =20 GPIOs in the linux kernel are meant to be an exclusive resource. This means --=20 2.48.1