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From: Bartosz Golaszewski <brgl@bgdev.pl>
To: Linus Walleij <linus.walleij@linaro.org>,
	Jonathan Corbet <corbet@lwn.net>,
	Mika Westerberg <mika.westerberg@linux.intel.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Kent Gibson <warthog618@gmail.com>
Cc: linux-gpio@vger.kernel.org, linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>
Subject: [PATCH 17/23] gpio: mockup: rename and move around debugfs callbacks
Date: Fri,  4 Sep 2020 17:45:41 +0200	[thread overview]
Message-ID: <20200904154547.3836-18-brgl@bgdev.pl> (raw)
In-Reply-To: <20200904154547.3836-1-brgl@bgdev.pl>

From: Bartosz Golaszewski <bgolaszewski@baylibre.com>

We will soon introduce new debugfs attributes for dynamically created
chips. We'll reuse the gpio_mockup_debugfs_open() helper for them but
the relevant write callbacks will of course be different.

Let's rename gpio_mockup_debugfs_write() to
gpio_mockup_debugfs_pull_write() to avoid confusion with new write
callbacks and move gpio_mockup_debugfs_open() higher up in the code to
separate it from the pull/value attribute which will no longer be the
only user.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
 drivers/gpio/gpio-mockup.c | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
index eb94ddac5fee..29fbf007ab26 100644
--- a/drivers/gpio/gpio-mockup.c
+++ b/drivers/gpio/gpio-mockup.c
@@ -262,9 +262,14 @@ static void gpio_mockup_free(struct gpio_chip *gc, unsigned int offset)
 	__gpio_mockup_set(chip, offset, chip->lines[offset].pull);
 }
 
-static ssize_t gpio_mockup_debugfs_read(struct file *file,
-					char __user *usr_buf,
-					size_t size, loff_t *ppos)
+static int gpio_mockup_debugfs_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, NULL, inode->i_private);
+}
+
+static ssize_t gpio_mockup_debugfs_value_read(struct file *file,
+					      char __user *usr_buf,
+					      size_t size, loff_t *ppos)
 {
 	struct gpio_mockup_dbgfs_private *priv;
 	struct gpio_mockup_chip *chip;
@@ -287,9 +292,9 @@ static ssize_t gpio_mockup_debugfs_read(struct file *file,
 	return simple_read_from_buffer(usr_buf, size, ppos, buf, cnt);
 }
 
-static ssize_t gpio_mockup_debugfs_write(struct file *file,
-					 const char __user *usr_buf,
-					 size_t size, loff_t *ppos)
+static ssize_t gpio_mockup_debugfs_pull_write(struct file *file,
+					      const char __user *usr_buf,
+					      size_t size, loff_t *ppos)
 {
 	struct gpio_mockup_dbgfs_private *priv;
 	int rv, val;
@@ -313,11 +318,6 @@ static ssize_t gpio_mockup_debugfs_write(struct file *file,
 	return size;
 }
 
-static int gpio_mockup_debugfs_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, NULL, inode->i_private);
-}
-
 /*
  * Each mockup chip is represented by a directory named after the chip's device
  * name under /sys/kernel/debug/gpio-mockup/. Each line is represented by
@@ -342,8 +342,8 @@ static int gpio_mockup_debugfs_open(struct inode *inode, struct file *file)
 static const struct file_operations gpio_mockup_debugfs_ops = {
 	.owner = THIS_MODULE,
 	.open = gpio_mockup_debugfs_open,
-	.read = gpio_mockup_debugfs_read,
-	.write = gpio_mockup_debugfs_write,
+	.read = gpio_mockup_debugfs_value_read,
+	.write = gpio_mockup_debugfs_pull_write,
 	.llseek = no_llseek,
 	.release = single_release,
 };
-- 
2.26.1


  parent reply	other threads:[~2020-09-04 15:48 UTC|newest]

Thread overview: 74+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-04 15:45 [PATCH 00/23] gpio: mockup: support dynamically created and removed chips Bartosz Golaszewski
2020-09-04 15:45 ` [PATCH 01/23] lib: cmdline: export next_arg() Bartosz Golaszewski
2020-09-04 15:45 ` [PATCH 02/23] lib: string_helpers: provide kfree_strarray() Bartosz Golaszewski
2020-09-04 16:33   ` Andy Shevchenko
2020-09-04 15:45 ` [PATCH 03/23] lib: uaccess: provide getline_from_user() Bartosz Golaszewski
2020-09-04 16:35   ` Andy Shevchenko
2020-09-07 10:02     ` Bartosz Golaszewski
2020-09-07 10:18       ` Andy Shevchenko
2020-09-07 10:28         ` Bartosz Golaszewski
2020-09-07 11:45           ` Andy Shevchenko
2020-09-07 11:57             ` Bartosz Golaszewski
2020-09-04 15:45 ` [PATCH 04/23] gpiolib: generalize devprop_gpiochip_set_names() for device properties Bartosz Golaszewski
2020-09-04 16:38   ` Andy Shevchenko
2020-09-07 10:56     ` Bartosz Golaszewski
2020-09-04 15:45 ` [PATCH 05/23] gpiolib: unexport devprop_gpiochip_set_names() Bartosz Golaszewski
2020-09-04 16:40   ` Andy Shevchenko
2020-09-07 10:53     ` Bartosz Golaszewski
2020-09-04 15:45 ` [PATCH 06/23] gpiolib: switch to simpler IDA interface Bartosz Golaszewski
2020-09-04 16:41   ` Andy Shevchenko
2020-09-07 10:50     ` Bartosz Golaszewski
2020-09-04 15:45 ` [PATCH 07/23] gpio: mockup: drop unneeded includes Bartosz Golaszewski
2020-09-04 15:45 ` [PATCH 08/23] gpio: mockup: use pr_fmt() Bartosz Golaszewski
2020-09-04 16:29   ` Andy Shevchenko
2020-09-04 15:45 ` [PATCH 09/23] gpio: mockup: use KBUILD_MODNAME Bartosz Golaszewski
2020-09-04 16:30   ` Andy Shevchenko
2020-09-04 15:45 ` [PATCH 10/23] gpio: mockup: fix resource leak in error path Bartosz Golaszewski
2020-09-04 17:00   ` Andy Shevchenko
2020-09-07 11:04     ` Bartosz Golaszewski
2020-09-07 11:47       ` Andy Shevchenko
2020-09-04 15:45 ` [PATCH 11/23] gpio: mockup: remove the limit on number of dummy chips Bartosz Golaszewski
2020-09-04 15:45 ` [PATCH 12/23] gpio: mockup: define a constant for chip label size Bartosz Golaszewski
2020-09-04 15:45 ` [PATCH 13/23] gpio: mockup: pass the chip label as device property Bartosz Golaszewski
2020-09-04 16:48   ` Andy Shevchenko
2020-09-07 11:01     ` Bartosz Golaszewski
2020-09-07 11:48       ` Andy Shevchenko
2020-09-04 15:45 ` [PATCH 14/23] gpio: mockup: use the generic 'gpio-line-names' property Bartosz Golaszewski
2020-09-04 16:46   ` Andy Shevchenko
2020-09-07 10:58     ` Bartosz Golaszewski
2020-09-04 15:45 ` [PATCH 15/23] gpio: mockup: use dynamic device IDs Bartosz Golaszewski
2020-09-04 16:49   ` Andy Shevchenko
2020-09-07 11:04     ` Bartosz Golaszewski
2020-09-07 11:50       ` Andy Shevchenko
2020-09-07 11:59         ` Bartosz Golaszewski
2020-09-04 15:45 ` [PATCH 16/23] gpio: mockup: refactor the module init function Bartosz Golaszewski
2020-09-04 16:50   ` Andy Shevchenko
2020-09-07 11:05     ` Bartosz Golaszewski
2020-09-07 11:51       ` Andy Shevchenko
2020-09-04 15:45 ` Bartosz Golaszewski [this message]
2020-09-04 15:45 ` [PATCH 18/23] gpio: mockup: require debugfs to build Bartosz Golaszewski
2020-09-04 15:45 ` [PATCH 19/23] gpio: mockup: add a symlink for the per-chip debugfs directory Bartosz Golaszewski
2020-09-04 15:45 ` [PATCH 20/23] gpio: mockup: add a lock for dummy device list Bartosz Golaszewski
2020-09-04 15:45 ` [PATCH 21/23] gpio: mockup: provide a way to delete dummy chips Bartosz Golaszewski
2020-09-04 16:56   ` Andy Shevchenko
2020-09-04 15:45 ` [PATCH 22/23] gpio: mockup: provide a way to create new " Bartosz Golaszewski
2020-09-04 15:45 ` [PATCH 23/23] Documentation: gpio: add documentation for gpio-mockup Bartosz Golaszewski
2020-09-04 16:58   ` Andy Shevchenko
2020-09-05  3:15   ` Randy Dunlap
2020-09-07  9:59     ` Andy Shevchenko
2020-09-07 10:26       ` Bartosz Golaszewski
2020-09-07 11:53         ` Andy Shevchenko
2020-09-07 12:06           ` Bartosz Golaszewski
2020-09-07 12:22             ` Greg Kroah-Hartman
2020-09-07 13:49               ` Bartosz Golaszewski
2020-09-07 14:08                 ` Andy Shevchenko
2020-09-07 15:14                   ` Bartosz Golaszewski
2020-09-07 15:23                   ` Geert Uytterhoeven
2020-09-07 16:08                     ` Bartosz Golaszewski
2020-09-08 17:03               ` Bartosz Golaszewski
2020-09-11 12:56                 ` Greg Kroah-Hartman
2020-09-11 13:07                   ` Bartosz Golaszewski
2020-09-07 12:38             ` Andy Shevchenko
2020-09-07 12:57               ` Bartosz Golaszewski
2020-09-07 13:52                 ` Andy Shevchenko
2020-09-07 10:45     ` Bartosz Golaszewski

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