From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0E35C1ACED3; Thu, 16 Jan 2025 10:02:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737021749; cv=none; b=k0WHz164nlFc3Sz0EDBotU46irD5SbwTMYDB4eMdQBB2xLTU6kVrap3emKC9XHBNkOzR/qwQR0ZuAW5czyx9UjIhP37fWckFLilAAbtvLzjsLB4bsWElFVs97nPy/nxMNi2xPcmGFAlC/vnxdyyeNyblncEpClLHzXGRcOAxVFY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737021749; c=relaxed/simple; bh=Uyu8CDucHjtJkU7/3hGL9KAt9/SEf3u5kC7COMTkcwo=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ngcYxq/G0rM8PcgF3yQXQyf4AxYEOkR8e5eIHFRnOgeJFJ/MrMTKXij41tBlVBrChBsRXqMzwfTvn2lYRz2KCYHoUCDJz1peJTXushII20amygpbdRCY2848nbxiOth8sdbY24jWcR8ayLSH26O+gxVwq1cZYbYFIJY70uNdzVE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=L4BFL55p; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="L4BFL55p" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 13CE4C4CED6; Thu, 16 Jan 2025 10:02:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1737021747; bh=Uyu8CDucHjtJkU7/3hGL9KAt9/SEf3u5kC7COMTkcwo=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=L4BFL55plhDl9DV4zOjsZy0sGJ12soeTi1gsv95v0VGTQejP9Gn8dJrkcpzp0/ETB Y9Ftu6Vnqrn2dAwk/dIksSHmJuYvnFyz3zTAwR8LjDAN/xMCWTCcExl4BlnZ9WWkaA c0wJKqM/LgWlrIeIxJui7ktGomO5N3moOmazW2ExN44lKgTkU5+NmXqIlJm7JM+rHO N+9hv3ydUy7qBEvWbckIzra9C10hPUBMCvcKZvl4yVZjEwA4iPhL2cClsbvqPMNZp7 3EgziXT/p348+17i3cMdXlVog4oKhj9UbbqJD+VFNnL8PFsGDeIo2YNhzvDr/mlFBu neJ/6I+oiP2VQ== Message-ID: <834d7b6e-27a4-41e9-b36b-2bcbd0504bd5@kernel.org> Date: Thu, 16 Jan 2025 11:02:23 +0100 Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1] serial: sc16is7xx: Extend IRQ check for negative valus To: Andy Shevchenko Cc: Andre Werner , gregkh@linuxfoundation.org, hvilleneuve@dimonoff.com, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, lech.perczak@camlingroup.com References: <20250116093203.460215-1-andre.werner@systec-electronic.com> Content-Language: en-US From: Jiri Slaby Autocrypt: addr=jirislaby@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 16. 01. 25, 10:53, Andy Shevchenko wrote: > On Thu, Jan 16, 2025 at 10:42:14AM +0100, Jiri Slaby wrote: >> This is threaded weirdly. > > Yeah, new patch (version) — new email thread. > >> On 16. 01. 25, 10:32, Andre Werner wrote: >>> Fix the IRQ check to treat the negative values as No IRQ. >> >> Care to describe on what HW that can happen? > > But how does this relevant? The whole idea is that neither I²C nor SPI > frameworks do not guarantee the IRQ field never be negative. This is > the fix to the previously submitted patch. They do AFAICS. Could you be more specific? -- js suse labs