From patchwork Mon Apr 27 18:48:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King \(Oracle\)" X-Patchwork-Id: 207672 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B24CFC4CECC for ; Mon, 27 Apr 2020 18:48:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 915D1205C9 for ; Mon, 27 Apr 2020 18:48:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="KXh/ggyr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726252AbgD0Ssl (ORCPT ); Mon, 27 Apr 2020 14:48:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46774 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726229AbgD0Ssk (ORCPT ); Mon, 27 Apr 2020 14:48:40 -0400 Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [IPv6:2001:4d48:ad52:3201:214:fdff:fe10:1be6]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6AD43C0610D5 for ; Mon, 27 Apr 2020 11:48:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Date:Sender:Message-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Subject:To:From:References:In-Reply-To :Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=bA5rVZUEx8LXekwvTD/QNlKN8QibrtpiHpkFtarHRdM=; b=KXh/ggyrc9N9Xdu8kA1XT5UF0k 665IIRqugN9KHDCzd0tOS1LuTfPaDecNmVO6mkG8CVIanyDMuE78kInWLEMux9z3pkfumwv6ctsMX Y4VH67J9AiQ5lPACESir8cV7RsQiqo9ORSOkPUmS/APmOxM56vmZXv9nJG0sJ/ueZHKuLbpHSFRgi DMT7QU4RQVitUiWM6bMHsQVzct+a/gEDXHpOXAFGwAQp3yG6C+SHK5X8FUoH3do5mgED46c2n2Wl9 Y94QsIPJDFLHcKPgFxG0CwLnuAWokpwrVmIePAOVnxrNKp/F+2UcnC2e/soRK6G6eEnOyHMrn2J5w FnB7x6aA==; Received: from e0022681537dd.dyn.armlinux.org.uk ([2002:4e20:1eda:1:222:68ff:fe15:37dd]:34888 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jT8o0-0004Rx-V1; Mon, 27 Apr 2020 19:48:37 +0100 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1jT8o0-0002uH-A3; Mon, 27 Apr 2020 19:48:36 +0100 In-Reply-To: <20200427184658.GM25745@shell.armlinux.org.uk> References: <20200427184658.GM25745@shell.armlinux.org.uk> From: Russell King To: linux-i2c@vger.kernel.org Subject: [PATCH v2 01/12] i2c: pxa: use official address byte helper MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Mon, 27 Apr 2020 19:48:36 +0100 Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org i2c-pxa was created before i2c_8bit_addr_from_msg() was implemented, and used its own i2c_pxa_addr_byte() which is functionally the same. Sadly, it was never updated to use this new helper. Switch it over. Signed-off-by: Russell King --- drivers/i2c/busses/i2c-pxa.c | 18 ++++-------------- 1 file changed, 4 insertions(+), 14 deletions(-) diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index 466e4f681d7a..5703e2671fbf 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -716,16 +716,6 @@ static void i2c_pxa_slave_stop(struct pxa_i2c *i2c) * PXA I2C Master mode */ -static inline unsigned int i2c_pxa_addr_byte(struct i2c_msg *msg) -{ - unsigned int addr = (msg->addr & 0x7f) << 1; - - if (msg->flags & I2C_M_RD) - addr |= 1; - - return addr; -} - static inline void i2c_pxa_start_message(struct pxa_i2c *i2c) { u32 icr; @@ -733,8 +723,8 @@ static inline void i2c_pxa_start_message(struct pxa_i2c *i2c) /* * Step 1: target slave address into IDBR */ - writel(i2c_pxa_addr_byte(i2c->msg), _IDBR(i2c)); - i2c->req_slave_addr = i2c_pxa_addr_byte(i2c->msg); + i2c->req_slave_addr = i2c_8bit_addr_from_msg(i2c->msg); + writel(i2c->req_slave_addr, _IDBR(i2c)); /* * Step 2: initiate the write. @@ -1047,8 +1037,8 @@ static void i2c_pxa_irq_txempty(struct pxa_i2c *i2c, u32 isr) /* * Write the next address. */ - writel(i2c_pxa_addr_byte(i2c->msg), _IDBR(i2c)); - i2c->req_slave_addr = i2c_pxa_addr_byte(i2c->msg); + i2c->req_slave_addr = i2c_8bit_addr_from_msg(i2c->msg); + writel(i2c->req_slave_addr, _IDBR(i2c)); /* * And trigger a repeated start, and send the byte.