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 8B7722EB10; Mon, 27 Apr 2026 23:46:17 +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=1777333577; cv=none; b=hzgIRnlF2UI6UxpOjDrsE9rFBLBC+/f8XzAFuMBa+D5W88E1H4TLVwImQzldqr0+yxuytWI09zHO0utUuzktAkk90Nk6E6GlYYhmbJkLK+gsNkwdV3R0RU7f1LGuJJSRDt/Ws4UMwY+gJ9QjgMm6LsX7qGB1WVwiF9WqAzJsjmw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777333577; c=relaxed/simple; bh=BgEV4tScGyGHrq38KvfpxGCI/GQPCZMnKeGZFjpJUd0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=r2Kx2WTb7x1tx5mQrOgWKNXmyOKQHAkR+NQnOpZN+Fj8lAsIsNsT8fcnThQky7GAZ9hJuT+h1ufdUCxNm01purfDe8L/66Gdu7/4p6UyCKaCS7GVlpHE3QK16h7qmfVbiPA22HPO5twDg0JHn4PXsXnh2+PVpTYaL4SGYCa00DM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KgHifR4R; 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="KgHifR4R" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 19068C19425; Mon, 27 Apr 2026 23:46:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777333577; bh=BgEV4tScGyGHrq38KvfpxGCI/GQPCZMnKeGZFjpJUd0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=KgHifR4Rvnjqb9z7IthLInTB89y0CZToWtLA+msb2q5aVkuHPeTOXnSFMYRvMi/EH t9ifFWo5zqWv/uI5PbkdFFR4Pg8ncKlclB//6j4sjcLOU0aCZym6aapU4EWmT9Vbon Pq0Y7v5vUFpA4Hzneu96riKjms9HFOcha4GerbLH4pJUulK2vO25lFFL0f5eNHWN8X utr6DqD4b714STNxJGPVmiXKCzlr0PEDwaO5ZBbX8z0EEYEF31iegkVGILNHUvuJ7l koOyIwHFXWbP1li7lPwjghaxpKhxWOwkM228/dVEK7xQw40sZIkMWMHteQ2HipUl4h YZ2bXdJy6eJZg== Received: by finisterre.sirena.org.uk (Postfix, from userid 1000) id 123371AC583E; Tue, 28 Apr 2026 00:46:15 +0100 (BST) Date: Tue, 28 Apr 2026 08:46:15 +0900 From: Mark Brown To: Miquel Raynal Cc: Richard Weinberger , Vignesh Raghavendra , Thomas Petazzoni , linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, Michael Walle , Takahiro Kuwano , Pratyush Yadav , Steam Lin , Santhosh Kumar K Subject: Re: [PATCH 1/4] spi: spi-mem: Add a no_cs_assertion capability Message-ID: References: <20260326-winbond-v7-0-rc1-cadence-cont-read-v1-0-0d626e1dfb2b@bootlin.com> <20260326-winbond-v7-0-rc1-cadence-cont-read-v1-1-0d626e1dfb2b@bootlin.com> Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="gapjDoiyjve5Jhwd" Content-Disposition: inline In-Reply-To: <20260326-winbond-v7-0-rc1-cadence-cont-read-v1-1-0d626e1dfb2b@bootlin.com> X-Cookie: Victory uber allies! --gapjDoiyjve5Jhwd Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Mar 26, 2026 at 05:47:15PM +0100, Miquel Raynal wrote: > Some controllers are 'smart', and that's a problem. >=20 > For instance, the Cadence quadspi controller is capable of deasserting > the CS automatically whenever a too long period of time without any data > to transfer elapses. Reviewed-by: Mark Brown --gapjDoiyjve5Jhwd Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmnv9UYACgkQJNaLcl1U h9CxEQf+JTupzIZPpOC3vt2CLtwH52cHBtR+Q5PL1C2kVVBeAUK0PmcZm2BHp7xo c44XrRhx384EXICy7h6poW/3D+NvFqoSreJKnVe+yyXs6U90L7KrjqpA69Oql1dm 6E+XDXd+iix4uE3jV30tYrtF74lDw8is37UxB7t2Vw5jrl4zbE6YYEPSXnikvFlz B/IhxR4Z/yLBIoup3bDE2Ddr7zvqtpsTxHU56i5huQEiTy2QWq2sZ6HSdRSkkrAV mNY0l5Gx91m+o3eDaNafPdNZ1UNBvYxVd7v7SbYbDzIpN/AAKHhzuepn3S0QJCc4 axs/msqQpRCbLkrRNOZowGPL0FZxjQ== =PPcc -----END PGP SIGNATURE----- --gapjDoiyjve5Jhwd--