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 32F7C1FCFC2; Wed, 27 Nov 2024 13:44:04 +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=1732715045; cv=none; b=hGLct5odxnHXNwHmNx9dwjVp6k1t1Mkjc6Lf/0aOm6HGHBwvEp/M5e2smmTZE6RuXrn6VgNw3HQFSBzGbXObTYD+iem6DKjVxVEKpsEKOB++znbNsDnRP/OATKnA5hl+0khACtzaap1Z4CXb5rAVBNYyuA5Z6UAplG+Bfw0H0Aw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732715045; c=relaxed/simple; bh=J5kbzFJdRU8mGY871AZ3Cz82lCZYsmam9fRQzz21ITk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=mGwpykMt8K+JrFvOBS1uwNCkiZnqHrI8fBOHMXEvM25Nv96Xw2FCf6vtyEJcflKAlIvO3ttBuBZ7qrOFDw8hggZdeaCZuHdFRexwgmS/pYuPSWOTdvwzq0K13fgGd6GmzNPSDk6N2gUedw013yfoFKwJ4hjyDbMKQ3iS/J5J1FY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hSSmnWME; 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="hSSmnWME" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 77148C4CECC; Wed, 27 Nov 2024 13:44:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732715044; bh=J5kbzFJdRU8mGY871AZ3Cz82lCZYsmam9fRQzz21ITk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=hSSmnWMEoU1j6ZJ3uX6MsrZUbaV5vF9BPfFyVIk4PEduBfHU+/mYermlj1Jt0GIGc u3np+OJuvEHZqlF2+FsIs6HxrnnlzXI1k/j04JS7ZRlkV5GXE44BtSKwNcu8iCIXHF 9I1wMZZ86PSAcNK8ooEArxq3uTanWIMoFZguxp73wIfOj9Ue+ZZZ/hZ+lJi3g+rqDT IeiPMn3RTq5xgp6oSQPlSQWkgLPuvKJgG4CoumDeFGt0xYvQaIjP2j6rs4iZl1n1Dl bGoKcsv3JUmpFuc/z9GK/c6s9l8s9fsK0JkSJN4ibherM9WlldEA6OWqL0NRxcv2K1 PNoeX8o8MUVwQ== Date: Wed, 27 Nov 2024 07:44:02 -0600 From: Rob Herring To: Andrea della Porta Cc: Michael Turquette , Stephen Boyd , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Broadcom internal kernel review list , Lorenzo Pieralisi , Krzysztof Wilczynski , Manivannan Sadhasivam , Bjorn Helgaas , Linus Walleij , Catalin Marinas , Will Deacon , Bartosz Golaszewski , Derek Kiernan , Dragan Cvetic , Arnd Bergmann , Greg Kroah-Hartman , Saravana Kannan , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-gpio@vger.kernel.org, Masahiro Yamada , Stefan Wahren , Herve Codina , Luca Ceresoli , Thomas Petazzoni , Andrew Lunn Subject: Re: [PATCH v2 0/2] Preserve the flags portion on 1:1 dma-ranges mapping Message-ID: <20241127134402.GA3351562-robh@kernel.org> References: Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Sun, Nov 24, 2024 at 11:05:35AM +0100, Andrea della Porta wrote: > Empty dma-ranges in DT nodes using 3-cell address spcifier cause the > flag portion to be dropped by of_translate_one(), failing the translation > chain. This patch aims at fixing this issue. > > Part of this patchset was originally preparatory for a bigger patchset > (see [1]). It has been split in a standalone one for better management > and because it contains a bugfix which is probably of interest to stable > branch. > I've also added new tests to unittest to prove it. > > Many thanks, > Andrea > > References: > [1] - https://lore.kernel.org/all/3029857353c9499659369c1540ba887d7860670f.1730123575.git.andrea.porta@suse.com/ > > > Changes in V2: > > - Added blank lines between paragraphs in commit message for patch 2 > - Fixed a comment to explain the code behaviour in a straighter way > > > Andrea della Porta (2): > of/unittest: Add empty dma-ranges address translation tests > of: address: Preserve the flags portion on 1:1 dma-ranges mapping > > drivers/of/address.c | 3 +- > drivers/of/unittest-data/tests-address.dtsi | 2 ++ > drivers/of/unittest.c | 39 +++++++++++++++++++++ > 3 files changed, 43 insertions(+), 1 deletion(-) Applied, thanks! Rob