From patchwork Wed Jun 20 05:17:58 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Rosin X-Patchwork-Id: 10476065 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 74F71600F6 for ; Wed, 20 Jun 2018 05:21:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 65B0628C88 for ; Wed, 20 Jun 2018 05:21:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 59E7728DD0; Wed, 20 Jun 2018 05:21:33 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 00F6C28C88 for ; 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Wed, 20 Jun 2018 05:18:37 +0000 From: Peter Rosin To: linux-kernel@vger.kernel.org Cc: Peter Rosin , Peter Huewe , Jarkko Sakkinen , Jason Gunthorpe , Arnd Bergmann , Greg Kroah-Hartman , Brian Norris , Gregory Fong , Florian Fainelli , bcm-kernel-feedback-list@broadcom.com, Sekhar Nori , Kevin Hilman , Haavard Skinnemoen , Kukjin Kim , Krzysztof Kozlowski , Orson Zhai , Baolin Wang , Chunyan Zhang , Wolfram Sang , Guenter Roeck , Crt Mori , Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , Dmitry Torokhov , Antti Palosaari , Mauro Carvalho Chehab , Michael Krufky , Lee Jones , linux-integrity@vger.kernel.org, linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-iio@vger.kernel.org, linux-input@vger.kernel.org, linux-media@vger.kernel.org Subject: [PATCH v2 05/10] media: drxk_hard: switch to i2c_lock_bus(..., I2C_LOCK_SEGMENT) Date: Wed, 20 Jun 2018 07:17:58 +0200 Message-Id: <20180620051803.12206-6-peda@axentia.se> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180620051803.12206-1-peda@axentia.se> References: <20180620051803.12206-1-peda@axentia.se> MIME-Version: 1.0 X-Originating-IP: [85.226.244.23] X-ClientProxiedBy: HE1PR05CA0127.eurprd05.prod.outlook.com (2603:10a6:7:28::14) To AM5PR0201MB2452.eurprd02.prod.outlook.com (2603:10a6:203:35::9) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 791ce5ea-9171-436a-bc6e-08d5d66d485b X-Microsoft-Antispam: UriScan:; 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Switch to the finer-grained i2c_lock_bus with the I2C_LOCK_SEGMENT flag. If the device does not sit behind a mux-locked mux, the two locking variants are equivalent. Signed-off-by: Peter Rosin --- drivers/media/dvb-frontends/drxk_hard.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/dvb-frontends/drxk_hard.c b/drivers/media/dvb-frontends/drxk_hard.c index 5a26ad93be10..29c36f95d624 100644 --- a/drivers/media/dvb-frontends/drxk_hard.c +++ b/drivers/media/dvb-frontends/drxk_hard.c @@ -213,7 +213,7 @@ static inline u32 log10times100(u32 value) static int drxk_i2c_lock(struct drxk_state *state) { - i2c_lock_adapter(state->i2c); + i2c_lock_bus(state->i2c, I2C_LOCK_SEGMENT); state->drxk_i2c_exclusive_lock = true; return 0; @@ -224,7 +224,7 @@ static void drxk_i2c_unlock(struct drxk_state *state) if (!state->drxk_i2c_exclusive_lock) return; - i2c_unlock_adapter(state->i2c); + i2c_unlock_bus(state->i2c, I2C_LOCK_SEGMENT); state->drxk_i2c_exclusive_lock = false; }