From patchwork Tue Sep 8 22:40:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 1360179 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=kyPbNz2Y; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BmKsm5Btwz9sTR for ; Wed, 9 Sep 2020 08:42:36 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729860AbgIHWmV (ORCPT ); Tue, 8 Sep 2020 18:42:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33136 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730136AbgIHWlI (ORCPT ); Tue, 8 Sep 2020 18:41:08 -0400 Received: from mail-lj1-x241.google.com (mail-lj1-x241.google.com [IPv6:2a00:1450:4864:20::241]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7651BC0617A1; Tue, 8 Sep 2020 15:41:01 -0700 (PDT) Received: by mail-lj1-x241.google.com with SMTP id k25so953156ljg.9; Tue, 08 Sep 2020 15:41:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=NpODj2NiQneb1Ai/nnQoJVaH8tkXiqedjwXwvKgnGaI=; b=kyPbNz2YjTFHujaVnsAJfKlZUYs4Gx+22xBrNd/J4bfkq84vOu+sdPc9VgBgv85hww tR9PZNg5HNiqYPlZ8iPAIE77ewd3twl+R3xEYy+YljcyVFELdwKZDki89nNS8+3MkjdU PsdGQ904EPrRKz1QKkMwRiBD7kU8yd6qnrhIe/xrYCoJDMkT/gNcFMARX5dXmExehbkB 6N+sLia0feY+umgYNUSXa/5tkkx2a4qljV29tKriLd2ej3b9TWdtIqm/gpX9XqdRei3Z 0ZVKq3s6Bzzm5k6XWZLMoAXOvGwZUXalEPhARWU2wCYkXitPfgUW81GRvqf/C8Uj9kd0 2PBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=NpODj2NiQneb1Ai/nnQoJVaH8tkXiqedjwXwvKgnGaI=; b=A0huLbRJMAXA8WeIawr77tCR3DO8UW6n3E6wX3o318j5vHdI3AWJt6Qt+rpcmj6hxb nF+KC6IqJGJwpNB4nUMC0pljH5mRxPMIV/E11d519P0vqUZNYdymA2xSIGVhAwnYb/qc h0NE51cQL87L4lS6yhrf37+8YLJY91vNZtkb3rdbF5g+6WiQAcqSYCEEoWxyE9JGhUvk Clx2nhdUDcHznmpAZ9QPJHeWb7pSHvaoLm7gEnxis0zEehFgtON+QLuUb7faEQ24dYBx Q/JYAIVj+n3cEIJ6ZN3SGXK4JQyBT0TPKeZda7FJJuX/Ubl/Zgmxxi2vZ/D57EYry1bF Qm8Q== X-Gm-Message-State: AOAM531gr2n1IVzudTHw1UWEeWjaMZV1GTByGELcF3UzeYO/z1+tIF9U CaH1wvbjx/KpE2atzjcdvSo= X-Google-Smtp-Source: ABdhPJxhlQ6MnsG2po3A3yw/JZtwk7M59XqDLJyM/uolUYBZpMBmQzTlhoiOvTaBjcgtQrQZdcrfpA== X-Received: by 2002:a2e:8153:: with SMTP id t19mr372370ljg.334.1599604859832; Tue, 08 Sep 2020 15:40:59 -0700 (PDT) Received: from localhost.localdomain (109-252-170-211.dynamic.spd-mgts.ru. [109.252.170.211]) by smtp.gmail.com with ESMTPSA id s15sm268311ljp.25.2020.09.08.15.40.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Sep 2020 15:40:59 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Laxman Dewangan , Wolfram Sang , =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= , Andy Shevchenko Cc: linux-i2c@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v7 30/34] i2c: tegra: Clean up variable names Date: Wed, 9 Sep 2020 01:40:02 +0300 Message-Id: <20200908224006.25636-31-digetx@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200908224006.25636-1-digetx@gmail.com> References: <20200908224006.25636-1-digetx@gmail.com> MIME-Version: 1.0 Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org Rename "ret" variables to "err" in order to make code a bit more expressive, emphasizing that the returned value is an error code. Same vice versa, where appropriate. Rename variable "reg" to "val" in order to better reflect the actual usage of the variable in the code and to make naming consistent with the rest of the code. Use briefer names for a few members of the tegra_i2c_dev structure in order to improve readability of the code. All dev/&pdev->dev are replaced with i2c_dev->dev in order to have uniform code style across the driver. Signed-off-by: Dmitry Osipenko Tested-by: Thierry Reding Acked-by: Thierry Reding --- drivers/i2c/busses/i2c-tegra.c | 173 ++++++++++++++++----------------- 1 file changed, 86 insertions(+), 87 deletions(-) diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 2376f502d299..fbdb206f0161 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -247,15 +247,15 @@ struct tegra_i2c_hw_feature { * @msg_buf_remaining: size of unsent data in the message buffer * @msg_read: identifies read transfers * @bus_clk_rate: current I2C bus clock rate - * @is_multimaster_mode: track if I2C controller is in multi-master mode + * @multimaster_mode: indicates that I2C controller is in multi-master mode * @tx_dma_chan: DMA transmit channel * @rx_dma_chan: DMA receive channel * @dma_phys: handle to DMA resources * @dma_buf: pointer to allocated DMA buffer * @dma_buf_size: DMA buffer size - * @is_curr_dma_xfer: indicates active DMA transfer + * @dma_mode: indicates active DMA transfer * @dma_complete: DMA completion notifier - * @is_curr_atomic_xfer: indicates active atomic transfer + * @atomic_mode: indicates active atomic transfer */ struct tegra_i2c_dev { struct device *dev; @@ -287,9 +287,9 @@ struct tegra_i2c_dev { dma_addr_t dma_phys; u32 *dma_buf; - bool is_multimaster_mode; - bool is_curr_atomic_xfer; - bool is_curr_dma_xfer; + bool multimaster_mode; + bool atomic_mode; + bool dma_mode; bool msg_read; bool is_dvc; bool is_vi; @@ -525,7 +525,7 @@ static int tegra_i2c_poll_register(struct tegra_i2c_dev *i2c_dev, void __iomem *addr = i2c_dev->base + tegra_i2c_reg_addr(i2c_dev, reg); u32 val; - if (!i2c_dev->is_curr_atomic_xfer) + if (!i2c_dev->atomic_mode) return readl_relaxed_poll_timeout(addr, val, !(val & mask), delay_us, timeout_us); @@ -673,7 +673,7 @@ static int tegra_i2c_init(struct tegra_i2c_dev *i2c_dev) if (err) return err; - if (i2c_dev->is_multimaster_mode && i2c_dev->hw->has_slcg_override_reg) + if (i2c_dev->multimaster_mode && i2c_dev->hw->has_slcg_override_reg) i2c_writel(i2c_dev, I2C_MST_CORE_CLKEN_OVR, I2C_CLKEN_OVERRIDE); err = tegra_i2c_wait_for_config_load(i2c_dev); @@ -859,7 +859,7 @@ static irqreturn_t tegra_i2c_isr(int irq, void *dev_id) if (i2c_dev->hw->supports_bus_clear && (status & I2C_INT_BUS_CLR_DONE)) goto err; - if (!i2c_dev->is_curr_dma_xfer) { + if (!i2c_dev->dma_mode) { if (i2c_dev->msg_read && (status & I2C_INT_RX_FIFO_DATA_REQ)) { if (tegra_i2c_empty_rx_fifo(i2c_dev)) { /* @@ -893,7 +893,7 @@ static irqreturn_t tegra_i2c_isr(int irq, void *dev_id) * so forcing msg_buf_remaining to 0 in DMA mode. */ if (status & I2C_INT_PACKET_XFER_COMPLETE) { - if (i2c_dev->is_curr_dma_xfer) + if (i2c_dev->dma_mode) i2c_dev->msg_buf_remaining = 0; /* * Underflow error condition: XFER_COMPLETE before message @@ -917,7 +917,7 @@ static irqreturn_t tegra_i2c_isr(int irq, void *dev_id) if (i2c_dev->is_dvc) dvc_writel(i2c_dev, DVC_STATUS_I2C_DONE_INTR, DVC_STATUS); - if (i2c_dev->is_curr_dma_xfer) { + if (i2c_dev->dma_mode) { if (i2c_dev->msg_read) dmaengine_terminate_async(i2c_dev->rx_dma_chan); else @@ -936,14 +936,14 @@ static int tegra_i2c_config_fifo_trig(struct tegra_i2c_dev *i2c_dev, size_t len) struct dma_slave_config slv_config = {0}; u32 val, reg, dma_burst, reg_offset; struct dma_chan *chan; - int ret; + int err; if (i2c_dev->hw->has_mst_fifo) reg = I2C_MST_FIFO_CONTROL; else reg = I2C_FIFO_CONTROL; - if (i2c_dev->is_curr_dma_xfer) { + if (i2c_dev->dma_mode) { if (len & 0xF) dma_burst = 1; else if (len & 0x10) @@ -976,11 +976,11 @@ static int tegra_i2c_config_fifo_trig(struct tegra_i2c_dev *i2c_dev, size_t len) } slv_config.device_fc = true; - ret = dmaengine_slave_config(chan, &slv_config); - if (ret) { + err = dmaengine_slave_config(chan, &slv_config); + if (err) { dev_err(i2c_dev->dev, "DMA slave config failed: %d\n", - ret); - return ret; + err); + return err; } goto out; @@ -1030,7 +1030,7 @@ static unsigned long tegra_i2c_wait_completion(struct tegra_i2c_dev *i2c_dev, { unsigned long ret; - if (i2c_dev->is_curr_atomic_xfer) { + if (i2c_dev->atomic_mode) { ret = tegra_i2c_poll_completion(i2c_dev, complete, timeout_ms); } else { enable_irq(i2c_dev->irq); @@ -1058,20 +1058,20 @@ static unsigned long tegra_i2c_wait_completion(struct tegra_i2c_dev *i2c_dev, static int tegra_i2c_issue_bus_clear(struct i2c_adapter *adap) { struct tegra_i2c_dev *i2c_dev = i2c_get_adapdata(adap); - u32 reg, time_left; + u32 val, time_left; int err; reinit_completion(&i2c_dev->msg_complete); - reg = FIELD_PREP(I2C_BC_SCLK_THRESHOLD, 9) | I2C_BC_STOP_COND | + val = FIELD_PREP(I2C_BC_SCLK_THRESHOLD, 9) | I2C_BC_STOP_COND | I2C_BC_TERMINATE; - i2c_writel(i2c_dev, reg, I2C_BUS_CLEAR_CNFG); + i2c_writel(i2c_dev, val, I2C_BUS_CLEAR_CNFG); err = tegra_i2c_wait_for_config_load(i2c_dev); if (err) return err; - reg |= I2C_BC_ENABLE; - i2c_writel(i2c_dev, reg, I2C_BUS_CLEAR_CNFG); + val |= I2C_BC_ENABLE; + i2c_writel(i2c_dev, val, I2C_BUS_CLEAR_CNFG); tegra_i2c_unmask_irq(i2c_dev, I2C_INT_BUS_CLR_DONE); time_left = tegra_i2c_wait_completion(i2c_dev, &i2c_dev->msg_complete, 50); @@ -1082,8 +1082,8 @@ static int tegra_i2c_issue_bus_clear(struct i2c_adapter *adap) return -ETIMEDOUT; } - reg = i2c_readl(i2c_dev, I2C_BUS_CLEAR_STATUS); - if (!(reg & I2C_BC_STATUS)) { + val = i2c_readl(i2c_dev, I2C_BUS_CLEAR_STATUS); + if (!(val & I2C_BC_STATUS)) { dev_err(i2c_dev->dev, "un-recovered arbitration lost\n"); return -EIO; @@ -1105,14 +1105,14 @@ static void tegra_i2c_push_packet_header(struct tegra_i2c_dev *i2c_dev, FIELD_PREP(PACKET_HEADER0_CONT_ID, i2c_dev->cont_id) | FIELD_PREP(PACKET_HEADER0_PACKET_ID, 1); - if (i2c_dev->is_curr_dma_xfer && !i2c_dev->msg_read) + if (i2c_dev->dma_mode && !i2c_dev->msg_read) *dma_buf++ = packet_header; else i2c_writel(i2c_dev, packet_header, I2C_TX_FIFO); packet_header = msg->len - 1; - if (i2c_dev->is_curr_dma_xfer && !i2c_dev->msg_read) + if (i2c_dev->dma_mode && !i2c_dev->msg_read) *dma_buf++ = packet_header; else i2c_writel(i2c_dev, packet_header, I2C_TX_FIFO); @@ -1137,7 +1137,7 @@ static void tegra_i2c_push_packet_header(struct tegra_i2c_dev *i2c_dev, if (msg->flags & I2C_M_RD) packet_header |= I2C_HEADER_READ; - if (i2c_dev->is_curr_dma_xfer && !i2c_dev->msg_read) + if (i2c_dev->dma_mode && !i2c_dev->msg_read) *dma_buf++ = packet_header; else i2c_writel(i2c_dev, packet_header, I2C_TX_FIFO); @@ -1153,7 +1153,7 @@ static int tegra_i2c_error_recover(struct tegra_i2c_dev *i2c_dev, /* start recovery upon arbitration loss in single master mode */ if (i2c_dev->msg_err == I2C_ERR_ARBITRATION_LOST) { - if (!i2c_dev->is_multimaster_mode) + if (!i2c_dev->multimaster_mode) return i2c_recover_bus(&i2c_dev->adapter); return -EAGAIN; @@ -1194,9 +1194,8 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev, xfer_size = msg->len + I2C_PACKET_HEADER_SIZE; xfer_size = ALIGN(xfer_size, BYTES_PER_FIFO_WORD); - i2c_dev->is_curr_dma_xfer = (xfer_size > I2C_PIO_MODE_PREFERRED_LEN) && - i2c_dev->dma_buf && - !i2c_dev->is_curr_atomic_xfer; + i2c_dev->dma_mode = (xfer_size > I2C_PIO_MODE_PREFERRED_LEN) && + i2c_dev->dma_buf && !i2c_dev->atomic_mode; err = tegra_i2c_config_fifo_trig(i2c_dev, xfer_size); if (err) @@ -1211,7 +1210,7 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev, int_mask = I2C_INT_NO_ACK | I2C_INT_ARBITRATION_LOST; tegra_i2c_unmask_irq(i2c_dev, int_mask); - if (i2c_dev->is_curr_dma_xfer) { + if (i2c_dev->dma_mode) { if (i2c_dev->msg_read) { dma_sync_single_for_device(i2c_dev->dev, i2c_dev->dma_phys, @@ -1236,7 +1235,7 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev, tegra_i2c_push_packet_header(i2c_dev, msg, end_state); if (!i2c_dev->msg_read) { - if (i2c_dev->is_curr_dma_xfer) { + if (i2c_dev->dma_mode) { memcpy(i2c_dev->dma_buf, msg->buf, msg->len); dma_sync_single_for_device(i2c_dev->dev, i2c_dev->dma_phys, @@ -1256,7 +1255,7 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev, if (i2c_dev->hw->has_per_pkt_xfer_complete_irq) int_mask |= I2C_INT_PACKET_XFER_COMPLETE; - if (!i2c_dev->is_curr_dma_xfer) { + if (!i2c_dev->dma_mode) { if (msg->flags & I2C_M_RD) int_mask |= I2C_INT_RX_FIFO_DATA_REQ; else if (i2c_dev->msg_buf_remaining) @@ -1267,7 +1266,7 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev, dev_dbg(i2c_dev->dev, "unmasked irq: %02x\n", i2c_readl(i2c_dev, I2C_INT_MASK)); - if (i2c_dev->is_curr_dma_xfer) { + if (i2c_dev->dma_mode) { time_left = tegra_i2c_wait_completion(i2c_dev, &i2c_dev->dma_complete, xfer_time); @@ -1316,7 +1315,7 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev, time_left, completion_done(&i2c_dev->msg_complete), i2c_dev->msg_err); - i2c_dev->is_curr_dma_xfer = false; + i2c_dev->dma_mode = false; err = tegra_i2c_error_recover(i2c_dev, msg); if (err) @@ -1368,9 +1367,9 @@ static int tegra_i2c_xfer_atomic(struct i2c_adapter *adap, struct tegra_i2c_dev *i2c_dev = i2c_get_adapdata(adap); int ret; - i2c_dev->is_curr_atomic_xfer = true; + i2c_dev->atomic_mode = true; ret = tegra_i2c_xfer(adap, msgs, num); - i2c_dev->is_curr_atomic_xfer = false; + i2c_dev->atomic_mode = false; return ret; } @@ -1595,15 +1594,15 @@ static void tegra_i2c_parse_dt(struct tegra_i2c_dev *i2c_dev) { struct device_node *np = i2c_dev->dev->of_node; bool multi_mode; - int ret; + int err; - ret = of_property_read_u32(np, "clock-frequency", + err = of_property_read_u32(np, "clock-frequency", &i2c_dev->bus_clk_rate); - if (ret) + if (err) i2c_dev->bus_clk_rate = I2C_MAX_STANDARD_MODE_FREQ; /* default clock rate */ multi_mode = of_property_read_bool(np, "multi-master"); - i2c_dev->is_multimaster_mode = multi_mode; + i2c_dev->multimaster_mode = multi_mode; if (of_device_is_compatible(np, "nvidia,tegra20-i2c-dvc")) i2c_dev->is_dvc = true; @@ -1634,7 +1633,7 @@ static int tegra_i2c_init_clocks(struct tegra_i2c_dev *i2c_dev) } } - if (!i2c_dev->is_multimaster_mode) + if (!i2c_dev->multimaster_mode) return 0; err = clk_enable(i2c_dev->div_clk); @@ -1653,7 +1652,7 @@ static int tegra_i2c_init_clocks(struct tegra_i2c_dev *i2c_dev) static void tegra_i2c_release_clocks(struct tegra_i2c_dev *i2c_dev) { - if (i2c_dev->is_multimaster_mode) + if (i2c_dev->multimaster_mode) clk_disable(i2c_dev->div_clk); clk_bulk_unprepare(i2c_dev->nclocks, i2c_dev->clocks); @@ -1678,7 +1677,7 @@ static int tegra_i2c_probe(struct platform_device *pdev) { struct tegra_i2c_dev *i2c_dev; struct resource *res; - int ret; + int err; i2c_dev = devm_kzalloc(&pdev->dev, sizeof(*i2c_dev), GFP_KERNEL); if (!i2c_dev) @@ -1699,36 +1698,36 @@ static int tegra_i2c_probe(struct platform_device *pdev) i2c_dev->base_phys = res->start; - ret = platform_get_irq(pdev, 0); - if (ret < 0) - return ret; + err = platform_get_irq(pdev, 0); + if (err < 0) + return err; - i2c_dev->irq = ret; + i2c_dev->irq = err; /* interrupt will be enabled during of transfer time */ irq_set_status_flags(i2c_dev->irq, IRQ_NOAUTOEN); - ret = devm_request_irq(&pdev->dev, i2c_dev->irq, tegra_i2c_isr, - IRQF_NO_SUSPEND, dev_name(&pdev->dev), + err = devm_request_irq(i2c_dev->dev, i2c_dev->irq, tegra_i2c_isr, + IRQF_NO_SUSPEND, dev_name(i2c_dev->dev), i2c_dev); - if (ret) - return ret; + if (err) + return err; - i2c_dev->rst = devm_reset_control_get_exclusive(&pdev->dev, "i2c"); + i2c_dev->rst = devm_reset_control_get_exclusive(i2c_dev->dev, "i2c"); if (IS_ERR(i2c_dev->rst)) { - dev_err_probe(&pdev->dev, PTR_ERR(i2c_dev->rst), + dev_err_probe(i2c_dev->dev, PTR_ERR(i2c_dev->rst), "failed to get reset control\n"); return PTR_ERR(i2c_dev->rst); } tegra_i2c_parse_dt(i2c_dev); - ret = tegra_i2c_init_clocks(i2c_dev); - if (ret) - return ret; + err = tegra_i2c_init_clocks(i2c_dev); + if (err) + return err; - ret = tegra_i2c_init_dma(i2c_dev); - if (ret) + err = tegra_i2c_init_dma(i2c_dev); + if (err) goto release_clocks; /* @@ -1739,16 +1738,16 @@ static int tegra_i2c_probe(struct platform_device *pdev) * not be used for atomic transfers. */ if (!i2c_dev->is_vi) - pm_runtime_irq_safe(&pdev->dev); - pm_runtime_enable(&pdev->dev); + pm_runtime_irq_safe(i2c_dev->dev); + pm_runtime_enable(i2c_dev->dev); - ret = tegra_i2c_init_hardware(i2c_dev); - if (ret) + err = tegra_i2c_init_hardware(i2c_dev); + if (err) goto release_rpm; i2c_set_adapdata(&i2c_dev->adapter, i2c_dev); - i2c_dev->adapter.dev.of_node = pdev->dev.of_node; - i2c_dev->adapter.dev.parent = &pdev->dev; + i2c_dev->adapter.dev.of_node = i2c_dev->dev->of_node; + i2c_dev->adapter.dev.parent = i2c_dev->dev; i2c_dev->adapter.retries = 1; i2c_dev->adapter.timeout = 6 * HZ; i2c_dev->adapter.quirks = i2c_dev->hw->quirks; @@ -1760,23 +1759,23 @@ static int tegra_i2c_probe(struct platform_device *pdev) if (i2c_dev->hw->supports_bus_clear) i2c_dev->adapter.bus_recovery_info = &tegra_i2c_recovery_info; - strlcpy(i2c_dev->adapter.name, dev_name(&pdev->dev), + strlcpy(i2c_dev->adapter.name, dev_name(i2c_dev->dev), sizeof(i2c_dev->adapter.name)); - ret = i2c_add_numbered_adapter(&i2c_dev->adapter); - if (ret) + err = i2c_add_numbered_adapter(&i2c_dev->adapter); + if (err) goto release_rpm; return 0; release_rpm: - pm_runtime_disable(&pdev->dev); + pm_runtime_disable(i2c_dev->dev); tegra_i2c_release_dma(i2c_dev); release_clocks: tegra_i2c_release_clocks(i2c_dev); - return ret; + return err; } static int tegra_i2c_remove(struct platform_device *pdev) @@ -1785,7 +1784,7 @@ static int tegra_i2c_remove(struct platform_device *pdev) i2c_del_adapter(&i2c_dev->adapter); - pm_runtime_disable(&pdev->dev); + pm_runtime_disable(i2c_dev->dev); tegra_i2c_release_dma(i2c_dev); tegra_i2c_release_clocks(i2c_dev); @@ -1795,15 +1794,15 @@ static int tegra_i2c_remove(struct platform_device *pdev) static int __maybe_unused tegra_i2c_runtime_resume(struct device *dev) { struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev); - int ret; + int err; - ret = pinctrl_pm_select_default_state(i2c_dev->dev); - if (ret) - return ret; + err = pinctrl_pm_select_default_state(dev); + if (err) + return err; - ret = clk_bulk_enable(i2c_dev->nclocks, i2c_dev->clocks); - if (ret) - return ret; + err = clk_bulk_enable(i2c_dev->nclocks, i2c_dev->clocks); + if (err) + return err; /* * VI I2C device is attached to VE power domain which goes through @@ -1812,8 +1811,8 @@ static int __maybe_unused tegra_i2c_runtime_resume(struct device *dev) * domain ON. */ if (i2c_dev->is_vi) { - ret = tegra_i2c_init(i2c_dev); - if (ret) + err = tegra_i2c_init(i2c_dev); + if (err) goto disable_clocks; } @@ -1822,7 +1821,7 @@ static int __maybe_unused tegra_i2c_runtime_resume(struct device *dev) disable_clocks: clk_bulk_disable(i2c_dev->nclocks, i2c_dev->clocks); - return ret; + return err; } static int __maybe_unused tegra_i2c_runtime_suspend(struct device *dev) @@ -1831,20 +1830,20 @@ static int __maybe_unused tegra_i2c_runtime_suspend(struct device *dev) clk_bulk_disable(i2c_dev->nclocks, i2c_dev->clocks); - return pinctrl_pm_select_idle_state(i2c_dev->dev); + return pinctrl_pm_select_idle_state(dev); } static int __maybe_unused tegra_i2c_suspend(struct device *dev) { struct tegra_i2c_dev *i2c_dev = dev_get_drvdata(dev); - int err = 0; + int ret = 0; i2c_mark_adapter_suspended(&i2c_dev->adapter); if (!pm_runtime_status_suspended(dev)) - err = tegra_i2c_runtime_suspend(dev); + ret = tegra_i2c_runtime_suspend(dev); - return err; + return ret; } static int __maybe_unused tegra_i2c_resume(struct device *dev)