From patchwork Thu Jan 20 18:58:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris Lysov X-Patchwork-Id: 533740 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AA7A0C433F5 for ; Thu, 20 Jan 2022 18:59:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346878AbiATS7B (ORCPT ); Thu, 20 Jan 2022 13:59:01 -0500 Received: from eu-shark1.inbox.eu ([195.216.236.81]:54516 "EHLO eu-shark1.inbox.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243589AbiATS7A (ORCPT ); Thu, 20 Jan 2022 13:59:00 -0500 Received: from eu-shark1.inbox.eu (localhost [127.0.0.1]) by eu-shark1-out.inbox.eu (Postfix) with ESMTP id D607B6C00731; Thu, 20 Jan 2022 20:58:58 +0200 (EET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=mail.ee; s=20150108; t=1642705138; bh=504oCiTJWeqX2jIHwWg0su7+30XUh6cTSgg/DGfLsnE=; h=From:To:Cc:Subject:Date:Message-Id:X-ESPOL:from:date:to:cc; b=0dRKQo4EXfmf93758hL/sxQhMycvRQ87y0cIVDnwd3q6TCE33BEm4CKHqQWDJ7soE ATMB9dRsgF8BgINqCH2saY/8/ArGMcJAV5ncyza3z9nsAARERwIxNSKmihguE/E2Oa qT4ReOhBNmP3zDyymvLl/CthVLmzXKIc4MJKutSI= Received: from localhost (localhost [127.0.0.1]) by eu-shark1-in.inbox.eu (Postfix) with ESMTP id C8CE76C006AE; Thu, 20 Jan 2022 20:58:58 +0200 (EET) Received: from eu-shark1.inbox.eu ([127.0.0.1]) by localhost (eu-shark1.inbox.eu [127.0.0.1]) (spamfilter, port 35) with ESMTP id r9CYafVpjFgf; Thu, 20 Jan 2022 20:58:58 +0200 (EET) Received: from mail.inbox.eu (eu-pop1 [127.0.0.1]) by eu-shark1-in.inbox.eu (Postfix) with ESMTP id 7C0916C0049B; Thu, 20 Jan 2022 20:58:58 +0200 (EET) From: Boris Lysov To: linux-i2c@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Cc: qii.wang@mediatek.com Subject: [PATCH 0/2] i2c: mediatek: remove mt6577 support Date: Thu, 20 Jan 2022 21:58:51 +0300 Message-Id: <20220120185853.24266-1-arzamas-16@mail.ee> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-Virus-Scanned: OK X-ESPOL: 885ml41QGzuilFygRWXfAQ4r3FlEJo35mZS31AE76Hb7NCeCfEAJVBS0gR8IQDzn/iM= Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org This small patch series removes mt6577 support from the i2c-mt65xx driver and devicectree binding documentation. The existing i2c-mt65xx driver relies on DMA since it was first introduced. mt6577 does not support DMA [1] for I2C and SoC's Generic DMA engine cannot be used for this purpose, too, which makes this particular driver incompatible with mt6577 and other similar SoCs with same I2C IP. [1] see references in https://lists.infradead.org/pipermail/linux-mediatek/2021-October/030333.html Boris Lysov (2): dt-bindings: i2c: i2c-mt65xx: remove compatibility with mt6577 i2c: mediatek: remove compatibility with mt6577 .../devicetree/bindings/i2c/i2c-mt65xx.txt | 9 +++--- drivers/i2c/busses/i2c-mt65xx.c | 28 +++++++++---------- 2 files changed, 18 insertions(+), 19 deletions(-)