From patchwork Tue Oct 12 18:33:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 12553539 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AE84FC4167B for ; Tue, 12 Oct 2021 18:51:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 94A1A6103D for ; Tue, 12 Oct 2021 18:51:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234412AbhJLSxN (ORCPT ); Tue, 12 Oct 2021 14:53:13 -0400 Received: from leibniz.telenet-ops.be ([195.130.137.77]:60568 "EHLO leibniz.telenet-ops.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234071AbhJLSxI (ORCPT ); Tue, 12 Oct 2021 14:53:08 -0400 Received: from albert.telenet-ops.be (albert.telenet-ops.be [IPv6:2a02:1800:110:4::f00:1a]) by leibniz.telenet-ops.be (Postfix) with ESMTPS id 4HTPgH3bryzMqffv for ; Tue, 12 Oct 2021 20:43:07 +0200 (CEST) Received: from ramsan.of.borg ([IPv6:2a02:1810:ac12:ed20:9c93:91ff:d58:ecfb]) by albert.telenet-ops.be with bizsmtp id 56ZX2600M0KW32a066ZXkY; Tue, 12 Oct 2021 20:33:33 +0200 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1maMah-004RU6-36; Tue, 12 Oct 2021 20:33:31 +0200 Received: from geert by rox.of.borg with local (Exim 4.93) (envelope-from ) id 1maMag-002j6l-5h; Tue, 12 Oct 2021 20:33:30 +0200 From: Geert Uytterhoeven To: Miguel Ojeda Cc: Robin van der Gracht , Rob Herring , Paul Burton , Greg Kroah-Hartman , Pavel Machek , Marek Behun , devicetree@vger.kernel.org, linux-leds@vger.kernel.org, linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH v7 14/21] auxdisplay: ht16k33: Add helper variable dev Date: Tue, 12 Oct 2021 20:33:20 +0200 Message-Id: <20211012183327.649865-15-geert@linux-m68k.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211012183327.649865-1-geert@linux-m68k.org> References: <20211012183327.649865-1-geert@linux-m68k.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org This driver has many users of "client->dev". Add shorthands to simplify the code. Signed-off-by: Geert Uytterhoeven Acked-by: Robin van der Gracht --- v7: - No changes, v6: - No changes, v5: - No changes, v4: - No changes, v3: - No changes, v2: - Add Acked-by, - Rebased. --- drivers/auxdisplay/ht16k33.c | 43 ++++++++++++++++++------------------ 1 file changed, 22 insertions(+), 21 deletions(-) diff --git a/drivers/auxdisplay/ht16k33.c b/drivers/auxdisplay/ht16k33.c index d0d7b55059aa181e..dcf530a9390b6f9c 100644 --- a/drivers/auxdisplay/ht16k33.c +++ b/drivers/auxdisplay/ht16k33.c @@ -326,7 +326,8 @@ static void ht16k33_keypad_stop(struct input_dev *dev) static int ht16k33_keypad_probe(struct i2c_client *client, struct ht16k33_keypad *keypad) { - struct device_node *node = client->dev.of_node; + struct device *dev = &client->dev; + struct device_node *node = dev->of_node; u32 rows = HT16K33_MATRIX_KEYPAD_MAX_ROWS; u32 cols = HT16K33_MATRIX_KEYPAD_MAX_COLS; int err; @@ -334,7 +335,7 @@ static int ht16k33_keypad_probe(struct i2c_client *client, keypad->client = client; init_waitqueue_head(&keypad->wait); - keypad->dev = devm_input_allocate_device(&client->dev); + keypad->dev = devm_input_allocate_device(dev); if (!keypad->dev) return -ENOMEM; @@ -351,17 +352,17 @@ static int ht16k33_keypad_probe(struct i2c_client *client, err = of_property_read_u32(node, "debounce-delay-ms", &keypad->debounce_ms); if (err) { - dev_err(&client->dev, "key debounce delay not specified\n"); + dev_err(dev, "key debounce delay not specified\n"); return err; } - err = matrix_keypad_parse_of_params(&client->dev, &rows, &cols); + err = matrix_keypad_parse_of_params(dev, &rows, &cols); if (err) return err; if (rows > HT16K33_MATRIX_KEYPAD_MAX_ROWS || cols > HT16K33_MATRIX_KEYPAD_MAX_COLS) { - dev_err(&client->dev, "%u rows or %u cols out of range in DT\n", - rows, cols); + dev_err(dev, "%u rows or %u cols out of range in DT\n", rows, + cols); return -ERANGE; } @@ -372,17 +373,17 @@ static int ht16k33_keypad_probe(struct i2c_client *client, err = matrix_keypad_build_keymap(NULL, NULL, rows, cols, NULL, keypad->dev); if (err) { - dev_err(&client->dev, "failed to build keymap\n"); + dev_err(dev, "failed to build keymap\n"); return err; } - err = devm_request_threaded_irq(&client->dev, client->irq, - NULL, ht16k33_keypad_irq_thread, + err = devm_request_threaded_irq(dev, client->irq, NULL, + ht16k33_keypad_irq_thread, IRQF_TRIGGER_HIGH | IRQF_ONESHOT, DRIVER_NAME, keypad); if (err) { - dev_err(&client->dev, "irq request failed %d, error %d\n", - client->irq, err); + dev_err(dev, "irq request failed %d, error %d\n", client->irq, + err); return err; } @@ -399,14 +400,15 @@ static int ht16k33_probe(struct i2c_client *client) struct backlight_properties bl_props; struct ht16k33_priv *priv; struct ht16k33_fbdev *fbdev; - struct device_node *node = client->dev.of_node; + struct device *dev = &client->dev; + struct device_node *node = dev->of_node; if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { - dev_err(&client->dev, "i2c_check_functionality error\n"); + dev_err(dev, "i2c_check_functionality error\n"); return -EIO; } - priv = devm_kzalloc(&client->dev, sizeof(*priv), GFP_KERNEL); + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -423,11 +425,10 @@ static int ht16k33_probe(struct i2c_client *client) bl_props.type = BACKLIGHT_RAW; bl_props.max_brightness = MAX_BRIGHTNESS; - bl = devm_backlight_device_register(&client->dev, DRIVER_NAME"-bl", - &client->dev, priv, + bl = devm_backlight_device_register(dev, DRIVER_NAME"-bl", dev, priv, &ht16k33_bl_ops, &bl_props); if (IS_ERR(bl)) { - dev_err(&client->dev, "failed to register backlight\n"); + dev_err(dev, "failed to register backlight\n"); return PTR_ERR(bl); } @@ -436,7 +437,7 @@ static int ht16k33_probe(struct i2c_client *client) if (err) { dft_brightness = MAX_BRIGHTNESS; } else if (dft_brightness > MAX_BRIGHTNESS) { - dev_warn(&client->dev, + dev_warn(dev, "invalid default brightness level: %u, using %u\n", dft_brightness, MAX_BRIGHTNESS); dft_brightness = MAX_BRIGHTNESS; @@ -451,13 +452,13 @@ static int ht16k33_probe(struct i2c_client *client) if (!fbdev->buffer) return -ENOMEM; - fbdev->cache = devm_kmalloc(&client->dev, HT16K33_FB_SIZE, GFP_KERNEL); + fbdev->cache = devm_kmalloc(dev, HT16K33_FB_SIZE, GFP_KERNEL); if (!fbdev->cache) { err = -ENOMEM; goto err_fbdev_buffer; } - fbdev->info = framebuffer_alloc(0, &client->dev); + fbdev->info = framebuffer_alloc(0, dev); if (!fbdev->info) { err = -ENOMEM; goto err_fbdev_buffer; @@ -466,7 +467,7 @@ static int ht16k33_probe(struct i2c_client *client) err = of_property_read_u32(node, "refresh-rate-hz", &fbdev->refresh_rate); if (err) { - dev_err(&client->dev, "refresh rate not specified\n"); + dev_err(dev, "refresh rate not specified\n"); goto err_fbdev_info; } fb_bl_default_curve(fbdev->info, 0, MIN_BRIGHTNESS, MAX_BRIGHTNESS);