From patchwork Thu Jul 19 14:38:07 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shubhrajyoti Datta X-Patchwork-Id: 1217801 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id DDDBEDF24C for ; Thu, 19 Jul 2012 15:24:28 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1SrsTg-0001ni-AL; Thu, 19 Jul 2012 15:17:21 +0000 Received: from bear.ext.ti.com ([192.94.94.41]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1Srrxy-0004fO-29 for linux-arm-kernel@lists.infradead.org; Thu, 19 Jul 2012 14:44:36 +0000 Received: from dbdp20.itg.ti.com ([172.24.170.38]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id q6JEcSme021389; Thu, 19 Jul 2012 09:38:29 -0500 Received: from DBDE71.ent.ti.com (localhost [127.0.0.1]) by dbdp20.itg.ti.com (8.13.8/8.13.8) with ESMTP id q6JEcRUN003853; Thu, 19 Jul 2012 20:08:27 +0530 (IST) Received: from dbdp32.itg.ti.com (172.24.170.251) by DBDE71.ent.ti.com (172.24.170.149) with Microsoft SMTP Server id 14.1.323.3; Thu, 19 Jul 2012 20:08:27 +0530 Received: from ula0393217.india.ti.com (smtpvbd.itg.ti.com [172.24.170.250]) by dbdp32.itg.ti.com (8.13.8/8.13.8) with ESMTP id q6JEcLWY030469; Thu, 19 Jul 2012 20:08:27 +0530 From: Shubhrajyoti D To: Subject: [PATCHv5 17/18] i2c: omap: get rid of the "complete" label Date: Thu, 19 Jul 2012 20:08:07 +0530 Message-ID: <1342708688-2342-18-git-send-email-shubhrajyoti@ti.com> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1342708688-2342-1-git-send-email-shubhrajyoti@ti.com> References: <1342708688-2342-1-git-send-email-shubhrajyoti@ti.com> MIME-Version: 1.0 X-Spam-Note: CRM114 invocation failed X-Spam-Score: -4.2 (----) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-4.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [192.94.94.41 listed in list.dnswl.org] -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: tony@atomide.com, w.sang@pengutronix.de, Felipe Balbi , linux-i2c@vger.kernel.org, ben-linux@fluff.org, Shubhrajyoti D , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Felipe Balbi we can ack stat and complete the command from the errata handling itself. Signed-off-by: Felipe Balbi Signed-off-by: Shubhrajyoti D --- drivers/i2c/busses/i2c-omap.c | 16 +++++++++++++--- 1 files changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 05edae3..2e48da9 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -772,6 +772,17 @@ static int errata_omap3_i462(struct omap_i2c_dev *dev) if (stat & (OMAP_I2C_STAT_NACK | OMAP_I2C_STAT_AL)) { omap_i2c_ack_stat(dev, (OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR)); + if (stat & OMAP_I2C_STAT_NACK) { + dev->cmd_err |= OMAP_I2C_STAT_NACK; + omap_i2c_ack_stat(dev, OMAP_I2C_STAT_NACK); + } + + if (stat & OMAP_I2C_STAT_AL) { + dev_err(dev->dev, "Arbitration lost\n"); + dev->cmd_err |= OMAP_I2C_STAT_AL; + omap_i2c_ack_stat(dev, OMAP_I2C_STAT_NACK); + } + return -EIO; } @@ -872,7 +883,6 @@ omap_i2c_isr(int this_irq, void *dev_id) goto out; } -complete: if (stat & OMAP_I2C_STAT_NACK) { err |= OMAP_I2C_STAT_NACK; omap_i2c_ack_stat(dev, OMAP_I2C_STAT_NACK); @@ -935,7 +945,7 @@ complete: ret = omap_i2c_transmit_data(dev, num_bytes, true); stat = omap_i2c_read_reg(dev, OMAP_I2C_STAT_REG); if (ret < 0) - goto complete; + goto out; omap_i2c_ack_stat(dev, OMAP_I2C_STAT_XDR); continue; @@ -951,7 +961,7 @@ complete: ret = omap_i2c_transmit_data(dev, num_bytes, false); stat = omap_i2c_read_reg(dev, OMAP_I2C_STAT_REG); if (ret < 0) - goto complete; + goto out; omap_i2c_ack_stat(dev, OMAP_I2C_STAT_XRDY); continue;