From mboxrd@z Thu Jan 1 00:00:00 1970 From: Geert Uytterhoeven Subject: Re: [PATCH 4/5] spi: Check that Quad/Dual is half duplex Date: Wed, 22 Jan 2014 15:27:19 +0100 Message-ID: References: <1390317009-8292-1-git-send-email-geert@linux-m68k.org> <1390317009-8292-4-git-send-email-geert@linux-m68k.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Cc: linux-spi@vger.kernel.org, "linux-kernel@vger.kernel.org" , Geert Uytterhoeven To: Mark Brown Return-path: In-Reply-To: <1390317009-8292-4-git-send-email-geert@linux-m68k.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-spi.vger.kernel.org On Tue, Jan 21, 2014 at 4:10 PM, Geert Uytterhoeven wrote: > Quad and Dual SPI Transfers use all available data lines (incl. MOSI/MISO), > hence they must be half duplex. Add a check that verify that. Actually this is valid if SPI_LOOP is also set. Will send an update. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds