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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:wjsT6tNGG/h3uDxJEg4/4mXra+qdNJxG1omsKT7lgkRF5XcgI2Q uKdtczR1znRwgemW8s3KkD/iBdBbmlAf6fgUk2Fi/wpa7O9arz8oW9KJLQkyhismGunNZ3m PRMRDBg5x+CDDRyqqwp0pOps1Sp9pudMfUNEYIH1g9fwnBDBhpWQu21NFDyWWk58sReD3N8 Jww1Q6u60QxZ769MEVM8A== X-UI-Out-Filterresults: notjunk:1;V03:K0:9hS6Z0RwO1A=:xOb6oXpb2KFdWHAUuHreN4 nMf1ubiIWbiIvQ0GBG1i30WLMR7dOlWOP8we44+VSX00Y7HMBYBC2Beq0kK868qrWETY6jBTm qROz/cHDM6Ujjj6ZYtlsChlRs9Zr/DV81VeAN/QpQFXAHjGO1BqojV1qjvo98N7Gd8mhTkadP qE1t+0Itg6X/PkgnFnQ5o4hKajRQYjV6y/UVrmqgM++r033ZB3OBrP7cHWzYliIJ3DV1Sifjp Ogl9I5gKsqSYrmgFCMMiiAXKYLssl+FGXW5pIDt8PYrns/iXU0AbV3p61h4T7p3jv6It67WZw ouejn0Dj1usi1E7gxvlSMhFYzyUbzFET8GUIeF5PVnEeSt/8CV7hJgakQCFo6IJJZXyV6gH8z +AFw1A0v4kNmWVc8A2wkxiuptpO3dQwC8KRWzO850dHLwW4sTx/Z5HuBg0Oj7uCtXFzX+4Lum J5OKMIMlK3/hloL2TgAi01vttRE58OSaFhROMoJ9ePOB/KvVN5+JPim8Mf0oDdR1QMZq+trPX Qvyj0EKnmjLxnN7MS/FJHoVx3m2zquJ8X+pIw6MjCzB7DIjLCxUX58vcd5afPCD1tjg6THMs9 wY1hEyoqR60G/8OsFIMXrgVx7SNmjBSVHLZ1cTe2rA0F4rzFI74Cor36bz4HVAmQhSnKhVrQV gyoD5sIbbCwu0fKlxp2aM12Y1OHnIfscgHv0AJijpCNOH/bn47GbdvS0dpF7nU6EttitY0swQ yiafL7MqqKjE6UxvBDbpnwSRC4ZphBLzwCebbAOaUeMZ728IGTZbKTwn92wiinnq1KvMPg2UW L8qYoz+PCbN+NkquWN09D+nnvii0EFGftQczfG+PM97ALJ7pRft+ZHnz0uuz0tcBhlnU3zim7 itBTdk81c9JpwyWnTkvF31ixVX5m37Mt2lJ6GIOlsVU6JAPaIN7grcyJIXiub94JsFkSwILt8 nojCHU8R3P8Tb2BxOKhDvf9nCdUVBwxzFFAgMTGro6ptEKsU5WJfcv1Fmf6pP3qGqUghQ4c5i Cg3/x9v9TcBpPG720Dag6InnQeyDbC0mN9GrnJ6x0pKHQevCs4wUc5j4PGpuQS8Qe3shavMf4 gEM1mNwOmuf9mUWHIVZIOr2X6mFTilBf0rBL1HaTsgHkg/qJq7/o0lcKlGdqPTVvgdomUic8j A3Wx3S0cg+VTGyfPlNPGtcQV0oDeesPQEnOAu2oYkYVWwjPUlh/rThwWTqcp5DmFzV5wkPMs8 ePbD9S6qcbAwpTFyL Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, I have taken another look at the implementation of the function =E2=80=9Ct= ve200_probe=E2=80=9D. A software analysis approach points the following source code out for further development considerations. https://elixir.bootlin.com/linux/v5.6.3/source/drivers/gpu/drm/tve200/tve2= 00_drv.c#L212 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/dr= ivers/gpu/drm/tve200/tve200_drv.c?id=3D5d30bcacd91af6874481129797af364a53c= d9b46#n212 irq =3D platform_get_irq(pdev, 0); if (!irq) { ret =3D -EINVAL; goto clk_disable; } The software documentation is providing the following information for the used programming interface. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/dr= ivers/base/platform.c?id=3D5d30bcacd91af6874481129797af364a53cd9b46#n221 https://elixir.bootlin.com/linux/v5.6.3/source/drivers/base/platform.c#L20= 2 =E2=80=9C=E2=80=A6 * Return: IRQ number on success, negative error number on failure. =E2=80=A6=E2=80=9D Would you like to reconsider the shown condition check? Regards, Markus