From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 8F798407CDF; Tue, 22 Sep 2026 12:20:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790079632; cv=none; b=eTEziUOE1MXiC9pNiPfKGN0KoqSdvP0GDF5B6gBxceTtquVF2El6CvUDDFAzgTA8y/IhSwVgRfbIoAQ9lGFI2/Qujq0tybzftGj/IN84irIqLoQ8ol3cXKPdUXswoZo9EGSC9SVNzQpqBM0jobCUmk0resjQgbUN4Mgen/FRj04= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790079632; c=relaxed/simple; bh=A/6O1j3lBCClQRG+z1HczT1jmes6iJ3wmgFqSraR0Xo=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ofbgGG7+THCUOHNeClCP9zwPjF2/uI4vMbZ3xY3QpbnByS92WKZcAJOBxS5OdRWEqWB1II0G0vClS7jI5ZUKp1YZUywy51xMJUG9WtAkAQNZsEXyG/rI9clFX5MSc/mstO3RLhSeAvtq07uU5WwE1mFNnQfR6Dfij12z8gdGRQg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=S/lkIlE0; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="S/lkIlE0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 01A401F000FF; Tue, 22 Sep 2026 12:20:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790079630; bh=8MjwYXaAk4nK6as+pNjoDvs0j8mnWe+p4kebAVEsRUQ=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=S/lkIlE0//7yRIyGpM2J36FW4GE5buTXJKXnB1ZBQ5s7mEOuij/6tdchvMoAPZC02 taT1u9nmxOgiputwLuotgypX5c3rKWAYT7R4FhV4fjU/3Vuf8NRadKHLcqwMLawvcl h+rLnkN0urOBUwz3xrB79BZI4ZNjT5/kr32qt57D2/WpXPwFcgZaMLay1dxHBWvEYy cC9PZCDuqX82sUjnBgKSjiRNCtSH1ofFqDEOuXE3UZ6uS2P7JUevUnf2dlr0flbDZk DzrIKO6+mrvY4YxwSFfTOrJpyiVEA04OyCrdsYIf7iQ7vNgIvaWzI23+Kyt63KWnrj nNmQ4rnbJ5EhA== Message-ID: <88138b8e-42cf-405f-a5ee-519271dbd4f4@kernel.org> Date: Tue, 22 Sep 2026 14:20:20 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v12 01/25] firmware: arm_scmi: Add new SCMIv4.0 error codes definitions To: Cristian Marussi , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, arm-scmi@vger.kernel.org, linux-doc@vger.kernel.org Cc: sudeep.holla@kernel.org, james.quinlan@broadcom.com, f.fainelli@gmail.com, vincent.guittot@linaro.org, etienne.carriere@st.com, peng.fan@oss.nxp.com, michal.simek@amd.com, d-gole@ti.com, jic23@kernel.org, elif.topuz@arm.com, lukasz.luba@arm.com, philip.radford@arm.com, souvik.chakravarty@arm.com, leitao@kernel.org, kas@kernel.org, puranjay@kernel.org, usama.arif@linux.dev, kernel-team@meta.com, Jonathan Cameron References: <20260920091928.2014972-1-cristian.marussi@arm.com> <20260920091928.2014972-2-cristian.marussi@arm.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 9/20/26 11:19, Cristian Marussi wrote: > SCMIv4.0 introduces a couple of new possible protocol error codes: add > the needed definitions and mappings to Linux error values. > > Reviewed-by: Jonathan Cameron > Signed-off-by: Cristian Marussi > --- > v4 --> v5 > - map SCMI_ERR_IN_USE to EBUSY as natural > --- > drivers/firmware/arm_scmi/common.h | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h > index fe8c22cfb9f7..6f89ba96493d 100644 > --- a/drivers/firmware/arm_scmi/common.h > +++ b/drivers/firmware/arm_scmi/common.h > @@ -48,6 +48,8 @@ enum scmi_error_codes { > SCMI_ERR_GENERIC = -8, /* Generic Error */ > SCMI_ERR_HARDWARE = -9, /* Hardware Error */ > SCMI_ERR_PROTOCOL = -10,/* Protocol Error */ > + SCMI_ERR_IN_USE = -11, /* In Use Error */ > + SCMI_ERR_PARTIAL = -12, /* Partial Error */ > }; > > static const int scmi_linux_errmap[] = { > @@ -63,6 +65,8 @@ static const int scmi_linux_errmap[] = { > -EIO, /* SCMI_ERR_GENERIC */ > -EREMOTEIO, /* SCMI_ERR_HARDWARE */ > -EPROTO, /* SCMI_ERR_PROTOCOL */ > + -EBUSY, /* SCMI_ERR_IN_USE */ > + -EINVAL, /* SCMI_ERR_PARTIAL */ > }; > > static inline int scmi_to_linux_errno(int errno) So far we had unique mappings. Now EBUSY and EINVAL could be due to two SCMI_ERR each. I assume in the later usage there is no need to distinguish them for now? Might be worth stating that in the patch description. Reviewed-by: David Hildenbrand (Arm) -- Cheers, David