From patchwork Tue Jul 3 14:37:41 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shubhrajyoti Datta X-Patchwork-Id: 1151851 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id F32A93FE80 for ; Tue, 3 Jul 2012 15:19:23 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1Sm4lp-0004tQ-TL; Tue, 03 Jul 2012 15:12:05 +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 1Sm4HD-00051p-HG for linux-arm-kernel@lists.infradead.org; Tue, 03 Jul 2012 14:41:06 +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 q63Ec6FU002124; Tue, 3 Jul 2012 09:38:07 -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 q63Ec4V6012778; Tue, 3 Jul 2012 20:08:06 +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; Tue, 3 Jul 2012 20:08:04 +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 q63Ec0EY005725; Tue, 3 Jul 2012 20:08:04 +0530 From: Shubhrajyoti D To: Subject: [PATCHv4 03/18] i2c: omap: decrease indentation level on data handling Date: Tue, 3 Jul 2012 20:07:41 +0530 Message-ID: <1341326276-25434-4-git-send-email-shubhrajyoti@ti.com> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1341326276-25434-1-git-send-email-shubhrajyoti@ti.com> References: <1341326276-25434-1-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 The patch intends to decrease the indentation level on the data handling by using the fact that else of if (dev->buf_len) is same as if (!dev->buf_len) if (dev->buf_len) { aaa; } else { bbb; break; } to if (!dev->buf_len) { bbb; break; } aaa; Hence no functional changes. Signed-off-by: Felipe Balbi Reviewed-by : Santosh Shilimkar Signed-off-by: Shubhrajyoti D --- drivers/i2c/busses/i2c-omap.c | 63 ++++++++++++++++++++--------------------- 1 files changed, 31 insertions(+), 32 deletions(-) diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 440e41f..0da00ac 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -832,22 +832,7 @@ complete: >> 8) & 0x3F; } while (num_bytes--) { - w = omap_i2c_read_reg(dev, OMAP_I2C_DATA_REG); - if (dev->buf_len) { - *dev->buf++ = w; - dev->buf_len--; - /* - * Data reg in 2430, omap3 and - * omap4 is 8 bit wide - */ - if (dev->flags & - OMAP_I2C_FLAG_16BIT_DATA_REG) { - if (dev->buf_len) { - *dev->buf++ = w >> 8; - dev->buf_len--; - } - } - } else { + if (!dev->buf_len) { if (stat & OMAP_I2C_STAT_RRDY) dev_err(dev->dev, "RRDY IRQ while no data" @@ -858,6 +843,21 @@ complete: " requested\n"); break; } + + w = omap_i2c_read_reg(dev, OMAP_I2C_DATA_REG); + *dev->buf++ = w; + dev->buf_len--; + /* + * Data reg in 2430, omap3 and + * omap4 is 8 bit wide + */ + if (dev->flags & + OMAP_I2C_FLAG_16BIT_DATA_REG) { + if (dev->buf_len) { + *dev->buf++ = w >> 8; + dev->buf_len--; + } + } } omap_i2c_ack_stat(dev, stat & (OMAP_I2C_STAT_RRDY | OMAP_I2C_STAT_RDR)); @@ -874,22 +874,7 @@ complete: & 0x3F; } while (num_bytes--) { - w = 0; - if (dev->buf_len) { - w = *dev->buf++; - dev->buf_len--; - /* - * Data reg in 2430, omap3 and - * omap4 is 8 bit wide - */ - if (dev->flags & - OMAP_I2C_FLAG_16BIT_DATA_REG) { - if (dev->buf_len) { - w |= *dev->buf++ << 8; - dev->buf_len--; - } - } - } else { + if (!dev->buf_len) { if (stat & OMAP_I2C_STAT_XRDY) dev_err(dev->dev, "XRDY IRQ while no " @@ -901,6 +886,20 @@ complete: break; } + w = *dev->buf++; + dev->buf_len--; + /* + * Data reg in 2430, omap3 and + * omap4 is 8 bit wide + */ + if (dev->flags & + OMAP_I2C_FLAG_16BIT_DATA_REG) { + if (dev->buf_len) { + w |= *dev->buf++ << 8; + dev->buf_len--; + } + } + if ((dev->errata & I2C_OMAP_ERRATA_I462) && errata_omap3_i462(dev, &stat, &err)) goto complete;