From owner-freebsd-embedded@freebsd.org Fri May 27 15:52:22 2016 Return-Path: Delivered-To: freebsd-embedded@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 3E7CCB4C966 for ; Fri, 27 May 2016 15:52:22 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-ig0-x235.google.com (mail-ig0-x235.google.com [IPv6:2607:f8b0:4001:c05::235]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 09FE213E4; Fri, 27 May 2016 15:52:22 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by mail-ig0-x235.google.com with SMTP id ct2so22280630igb.0; Fri, 27 May 2016 08:52:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc; bh=Br/JNUq5B4AKieOgdHMRDNivNOIYFxD6xeSE1hHhcDg=; b=eB/iMQG0fYadIpJDSaoCzL7sCpb8WUGiuS7M8BeOu9FR7syGXSFaO7ALM7CxAUJ9YI NTekeSTp1REa7OsbtTxnusJJjtJKarqRD2OpfLYJaerR6KQ0zWkYVIoqFvHs3l2S2sZr uBLBQkHkdK0x4vPD43kbZTDqJsGdm1iFdsiDvZ/icBvbAMvaRUb030pyPlpNWLq1FHVq iQWyBn6q4AJr3IHe3v5lMwN5HN7lYBSHXSrjlAuFNvdNnthPYcmN7VDzqPPBnmuZ4C9O Fh3EGuDt41IOul4HXj1o7FM/7zUUut0bpkedgL6EcMUqh4UpNUnSXj1+hhgum5KrkEC1 C/qg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:date :message-id:subject:from:to:cc; bh=Br/JNUq5B4AKieOgdHMRDNivNOIYFxD6xeSE1hHhcDg=; b=cQgttvh4XOf9PCVcrzERk3KZ09ssQaS5+Wkumfb/6NWkZv+Xo4QDH2uR9nnoYBNEXy reR4uw2CHlz19Mf2Z78MP8lo1B2mSurXMyVsaAsoPN352FRd7uVtJLC1Uh5Tt6HP1lwv am4YNxmge14zjImKaLbhqwKslvNWtwI1f70zAqLG2LclxIPHLgfz1sY+jCtQXtF4WinB 2ykLMVL5lTmNHshfm9WUcYvxm7kBjbvViYA7whUdFJDvpXGvOiprfTtK7ij8JR1SeDbv gFJn9zjuyfw7svwj2eEqW5/7nOBjbPsJn6Nsg9+GUSmxYOb/7miqDV84YJGWNB/tA064 Tqpg== X-Gm-Message-State: ALyK8tKBrKPyitkkFGaXaRiV8nF/G/aFW/K/bh2kQSHGXVCGPbpgswd8Ld0cSdBDQDX0/6ArrHaqVR0t94Q1Mw== MIME-Version: 1.0 X-Received: by 10.50.29.15 with SMTP id f15mr8995677igh.37.1464364340331; Fri, 27 May 2016 08:52:20 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.36.113.3 with HTTP; Fri, 27 May 2016 08:52:20 -0700 (PDT) In-Reply-To: References: Date: Fri, 27 May 2016 08:52:20 -0700 X-Google-Sender-Auth: jdlaHlx8FgZCQ7TzuJjBdFTUReY Message-ID: Subject: Re: spibus: migrate to bus acquire/release semantics From: Adrian Chadd To: Patrick Kelsey Cc: "freebsd-embedded@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-embedded@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Dedicated and Embedded Systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 May 2016 15:52:22 -0000 [snip] There's also the beginnings of a clock API in spibus too, so hopefully we can flesh it out enough to add clock set/get methods so mmcspi (and others!) can do per-bus clock configuration to meet timing requirements. -adrian