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Fri, 30 Oct 2026 08:17:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793348275; bh=+KG1RMx/uhvuJyslhkkILwlui3s8aJ1rFpXKcWZ5CEM=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=aE0vZPZ3KVL9SaWkop9ib7BlPO9m/Ds2hmkGUBvO1d7YrwCjOT/cjpfvsZok8FR+s MEhPiectiCi2IZcqYJsW+TlGCUcugx8MEevflQiCuidkgV4JIiFhmQGudBEWgwAG3X ohCamD7hqtxlwO4uA1zhiSsZcnj4VzkJwOl68n53RigaU1ZRZ8UaiBVgtY91RMgrju OtQAAfNpcn2m6Gl4NGuploTZGpMnyVzyZAqdIJ5zsJEqzAfhyyw+xKsQehfUNV48MK QD6Y4cglnDuLYy9TxNCSgYeXIL1IS9H2E8zIoGyE+am5pcx8/lsx7Q1IDiGOiOQ7iq rgjtUSCyGY1fg== Date: Fri, 30 Oct 2026 09:17:37 +0100 From: Joshua Crofts To: Rupesh Majhi Cc: Andy Shevchenko , David Lechner , Eddie James , Joel Stanley , Jonathan Cameron , Nuno =?ISO-8859-1?Q?S=E1?= , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Sashiko , Paulius Zaleckas Subject: Re: [PATCH 1/3] iio: pressure: dps310: reject a zero rate or oversampling ratio Message-ID: <20261030091737.00003868@kernel.org> In-Reply-To: <20261029220635.18816-2-zoone.rupert@gmail.com> References: <20261029220635.18816-1-zoone.rupert@gmail.com> <20261029220635.18816-2-zoone.rupert@gmail.com> X-Mailer: Claws Mail 4.4.0 (GTK 3.24.51; x86_64-w64-mingw32) X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Fri, 30 Oct 2026 00:06:33 +0200 Rupesh Majhi wrote: > The rate and ratio setters accept 0, which also covers 0.5. ilog2(0) > gives -1, which masked into the register is 128 Hz or the reserved > precision 0b1111. The latter makes every pressure read fail with > -ERANGE and temperature read 974 degrees C. > > Reject values below 1. > > Fixes: ba6ec48e76bc ("iio: Add driver for Infineon DPS310") > Fixes: d711a3c7dc82 ("iio: dps310: Add pressure sensing capability") > Reported-by: Sashiko > Closes: https://sashiko.dev/#/patchset/20260921183132.233136-1-zoone.rupert%40gmail.com > Signed-off-by: Rupesh Majhi > --- Reviewed-by: Joshua Crofts -- Kind regards, Joshua Crofts