From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: [PATCH v6 3/3] spi: sun4i: Add support for wait time between word transmissions Date: Sun, 27 Dec 2015 22:12:57 +0100 Message-ID: <20151227211257.GM30359@lukather> References: <1451145186-14235-1-git-send-email-mweseloh42@gmail.com> <1451145186-14235-4-git-send-email-mweseloh42@gmail.com> Reply-To: maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="w0g8YuYCbDvF0cDN" Return-path: Content-Disposition: inline In-Reply-To: <1451145186-14235-4-git-send-email-mweseloh42-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Marcus Weseloh Cc: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, Chen-Yu Tsai , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Ian Campbell , Kumar Gala , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Mark Brown , Mark Rutland , Pawel Moll , Rob Herring List-Id: devicetree@vger.kernel.org --w0g8YuYCbDvF0cDN Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline On Sat, Dec 26, 2015 at 04:53:06PM +0100, Marcus Weseloh wrote: > Modifies the sun4i SPI master driver to make use of the > "spi-word-wait-ns" property. This specific SPI controller needs 3 clock > cycles to set up the delay, which makes the minimum non-zero wait time > on this hardware 4 clock cycles. > > Signed-off-by: Marcus Weseloh Acked-by: Maxime Ripard Thanks! Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com --w0g8YuYCbDvF0cDN--