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Date: Mon, 18 Jun 2012 16:38:00 +0930
From: Jonathan Woithe <jwoithe@...t42.net>
To: Joe Perches <joe@...ches.com>
Cc: Matthew Garrett <mjg@...hat.com>,
Andrew Morton <akpm@...ux-foundation.org>,
platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
jwoithe@...t42.net
Subject: Re: [PATCH 4/5] fujitsu-laptop: Convert dbg_printk and vdbg_printk
to fuj_dbg
On Sun, Jun 17, 2012 at 07:25:11PM -0700, Joe Perches wrote:
> Use more current logging styles.
>
> Add #define DEBUG to enable dynamic debug.
> Remove unused #defines.
> Use eliminated_printk to verify fuj_dbg arguments.
> Argument alignment and format coalescing.
>
> Signed-off-by: Joe Perches <joe@...ches.com>
Looks reasonable to me.
Acked-by: Jonathan Woithe <jwoithe@...t42.net>
> ---
> drivers/platform/x86/fujitsu-laptop.c | 103 +++++++++++++++------------------
> 1 files changed, 47 insertions(+), 56 deletions(-)
>
> diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
> index c4c1a54..e2aae57 100644
> --- a/drivers/platform/x86/fujitsu-laptop.c
> +++ b/drivers/platform/x86/fujitsu-laptop.c
> @@ -118,27 +118,22 @@
> #define RINGBUFFERSIZE 40
>
> /* Debugging */
> -#define FUJLAPTOP_LOG ACPI_FUJITSU_HID ": "
> -#define FUJLAPTOP_ERR KERN_ERR FUJLAPTOP_LOG
> -#define FUJLAPTOP_NOTICE KERN_NOTICE FUJLAPTOP_LOG
> -#define FUJLAPTOP_INFO KERN_INFO FUJLAPTOP_LOG
> -#define FUJLAPTOP_DEBUG KERN_DEBUG FUJLAPTOP_LOG
> -
> #define FUJLAPTOP_DBG_ALL 0xffff
> #define FUJLAPTOP_DBG_ERROR 0x0001
> #define FUJLAPTOP_DBG_WARN 0x0002
> #define FUJLAPTOP_DBG_INFO 0x0004
> #define FUJLAPTOP_DBG_TRACE 0x0008
>
> -#define dbg_printk(a_dbg_level, format, arg...) \
> - do { if (dbg_level & a_dbg_level) \
> - printk(FUJLAPTOP_DEBUG "%s: " format, __func__ , ## arg); \
> - } while (0)
> #ifdef CONFIG_FUJITSU_LAPTOP_DEBUG
> -#define vdbg_printk(a_dbg_level, format, arg...) \
> - dbg_printk(a_dbg_level, format, ## arg)
> +#define DEBUG
> +#define fuj_dbg(a_dbg_level, format, ...) \
> +do { \
> + if (dbg_level & a_dbg_level) \
> + pr_debug("%s: " format, __func__ , ##__VA_ARGS__); \
> +} while (0)
> #else
> -#define vdbg_printk(a_dbg_level, format, arg...)
> +#define fuj_dbg(a_dbg_level, format, ...) \
> + eliminated_printk(format, ##__VA_ARGS__)
> #endif
>
> /* Device controlling the backlight and associated keys */
> @@ -225,8 +220,7 @@ static int call_fext_func(int cmd, int arg0, int arg1, int arg2)
>
> status = acpi_get_handle(fujitsu_hotkey->acpi_handle, "FUNC", &handle);
> if (ACPI_FAILURE(status)) {
> - vdbg_printk(FUJLAPTOP_DBG_ERROR,
> - "FUNC interface is not present\n");
> + fuj_dbg(FUJLAPTOP_DBG_ERROR, "FUNC interface is not present\n");
> return -ENODEV;
> }
>
> @@ -240,23 +234,22 @@ static int call_fext_func(int cmd, int arg0, int arg1, int arg2)
>
> status = acpi_evaluate_object(handle, NULL, &arg_list, &output);
> if (ACPI_FAILURE(status)) {
> - vdbg_printk(FUJLAPTOP_DBG_WARN,
> + fuj_dbg(FUJLAPTOP_DBG_WARN,
> "FUNC 0x%x (args 0x%x, 0x%x, 0x%x) call failed\n",
> - cmd, arg0, arg1, arg2);
> + cmd, arg0, arg1, arg2);
> return -ENODEV;
> }
>
> if (out_obj.type != ACPI_TYPE_INTEGER) {
> - vdbg_printk(FUJLAPTOP_DBG_WARN,
> - "FUNC 0x%x (args 0x%x, 0x%x, 0x%x) did not "
> - "return an integer\n",
> + fuj_dbg(FUJLAPTOP_DBG_WARN,
> + "FUNC 0x%x (args 0x%x, 0x%x, 0x%x) did not return an integer\n",
> cmd, arg0, arg1, arg2);
> return -ENODEV;
> }
>
> - vdbg_printk(FUJLAPTOP_DBG_TRACE,
> + fuj_dbg(FUJLAPTOP_DBG_TRACE,
> "FUNC 0x%x (args 0x%x, 0x%x, 0x%x) returned 0x%x\n",
> - cmd, arg0, arg1, arg2, (int)out_obj.integer.value);
> + cmd, arg0, arg1, arg2, (int)out_obj.integer.value);
> return out_obj.integer.value;
> }
>
> @@ -321,15 +314,14 @@ static int set_lcd_level(int level)
> struct acpi_object_list arg_list = { 1, &arg0 };
> acpi_handle handle = NULL;
>
> - vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBLL [%d]\n",
> - level);
> + fuj_dbg(FUJLAPTOP_DBG_TRACE, "set lcd level via SBLL [%d]\n", level);
>
> if (level < 0 || level >= fujitsu->max_brightness)
> return -EINVAL;
>
> status = acpi_get_handle(fujitsu->acpi_handle, "SBLL", &handle);
> if (ACPI_FAILURE(status)) {
> - vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBLL not present\n");
> + fuj_dbg(FUJLAPTOP_DBG_ERROR, "SBLL not present\n");
> return -ENODEV;
> }
>
> @@ -349,15 +341,14 @@ static int set_lcd_level_alt(int level)
> struct acpi_object_list arg_list = { 1, &arg0 };
> acpi_handle handle = NULL;
>
> - vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBL2 [%d]\n",
> - level);
> + fuj_dbg(FUJLAPTOP_DBG_TRACE, "set lcd level via SBL2 [%d]\n", level);
>
> if (level < 0 || level >= fujitsu->max_brightness)
> return -EINVAL;
>
> status = acpi_get_handle(fujitsu->acpi_handle, "SBL2", &handle);
> if (ACPI_FAILURE(status)) {
> - vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBL2 not present\n");
> + fuj_dbg(FUJLAPTOP_DBG_ERROR, "SBL2 not present\n");
> return -ENODEV;
> }
>
> @@ -375,7 +366,7 @@ static int get_lcd_level(void)
> unsigned long long state = 0;
> acpi_status status = AE_OK;
>
> - vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLL\n");
> + fuj_dbg(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLL\n");
>
> status =
> acpi_evaluate_integer(fujitsu->acpi_handle, "GBLL", NULL, &state);
> @@ -397,7 +388,7 @@ static int get_max_brightness(void)
> unsigned long long state = 0;
> acpi_status status = AE_OK;
>
> - vdbg_printk(FUJLAPTOP_DBG_TRACE, "get max lcd level via RBLL\n");
> + fuj_dbg(FUJLAPTOP_DBG_TRACE, "get max lcd level via RBLL\n");
>
> status =
> acpi_evaluate_integer(fujitsu->acpi_handle, "RBLL", NULL, &state);
> @@ -424,7 +415,7 @@ static int bl_update_status(struct backlight_device *b)
> else
> ret = call_fext_func(FUNC_BACKLIGHT, 0x1, 0x4, 0x0);
> if (ret != 0)
> - vdbg_printk(FUJLAPTOP_DBG_ERROR,
> + fuj_dbg(FUJLAPTOP_DBG_ERROR,
> "Unable to adjust backlight power, error code %i\n",
> ret);
>
> @@ -433,7 +424,7 @@ static int bl_update_status(struct backlight_device *b)
> else
> ret = set_lcd_level(b->props.brightness);
> if (ret != 0)
> - vdbg_printk(FUJLAPTOP_DBG_ERROR,
> + fuj_dbg(FUJLAPTOP_DBG_ERROR,
> "Unable to adjust LCD brightness, error code %i\n",
> ret);
> return ret;
> @@ -594,8 +585,8 @@ static void dmi_check_cb_common(const struct dmi_system_id *id)
> use_alt_lcd_levels = 1;
> else
> use_alt_lcd_levels = 0;
> - vdbg_printk(FUJLAPTOP_DBG_TRACE, "auto-detected usealt as "
> - "%i\n", use_alt_lcd_levels);
> + fuj_dbg(FUJLAPTOP_DBG_TRACE, "auto-detected usealt as %i\n",
> + use_alt_lcd_levels);
> }
> }
>
> @@ -704,7 +695,7 @@ static int acpi_fujitsu_add(struct acpi_device *device)
>
> if (ACPI_SUCCESS
> (acpi_get_handle(device->handle, METHOD_NAME__INI, &handle))) {
> - vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n");
> + fuj_dbg(FUJLAPTOP_DBG_INFO, "Invoking _INI\n");
> if (ACPI_FAILURE
> (acpi_evaluate_object
> (device->handle, METHOD_NAME__INI, NULL, NULL)))
> @@ -714,9 +705,9 @@ static int acpi_fujitsu_add(struct acpi_device *device)
> /* do config (detect defaults) */
> use_alt_lcd_levels = use_alt_lcd_levels == 1 ? 1 : 0;
> disable_brightness_adjust = disable_brightness_adjust == 1 ? 1 : 0;
> - vdbg_printk(FUJLAPTOP_DBG_INFO,
> - "config: [alt interface: %d], [adjust disable: %d]\n",
> - use_alt_lcd_levels, disable_brightness_adjust);
> + fuj_dbg(FUJLAPTOP_DBG_INFO,
> + "config: [alt interface: %d], [adjust disable: %d]\n",
> + use_alt_lcd_levels, disable_brightness_adjust);
>
> if (get_max_brightness() <= 0)
> fujitsu->max_brightness = FUJITSU_LCD_N_LEVELS;
> @@ -762,9 +753,9 @@ static void acpi_fujitsu_notify(struct acpi_device *device, u32 event)
> get_lcd_level();
> newb = fujitsu->brightness_level;
>
> - vdbg_printk(FUJLAPTOP_DBG_TRACE,
> - "brightness button event [%i -> %i (%i)]\n",
> - oldb, newb, fujitsu->brightness_changed);
> + fuj_dbg(FUJLAPTOP_DBG_TRACE,
> + "brightness button event [%i -> %i (%i)]\n",
> + oldb, newb, fujitsu->brightness_changed);
>
> if (oldb < newb) {
> if (disable_brightness_adjust != 1) {
> @@ -790,8 +781,8 @@ static void acpi_fujitsu_notify(struct acpi_device *device, u32 event)
> break;
> default:
> keycode = KEY_UNKNOWN;
> - vdbg_printk(FUJLAPTOP_DBG_WARN,
> - "unsupported event [0x%x]\n", event);
> + fuj_dbg(FUJLAPTOP_DBG_WARN, "unsupported event [0x%x]\n",
> + event);
> break;
> }
>
> @@ -872,7 +863,7 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
>
> if (ACPI_SUCCESS
> (acpi_get_handle(device->handle, METHOD_NAME__INI, &handle))) {
> - vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n");
> + fuj_dbg(FUJLAPTOP_DBG_INFO, "Invoking _INI\n");
> if (ACPI_FAILURE
> (acpi_evaluate_object
> (device->handle, METHOD_NAME__INI, NULL, NULL)))
> @@ -883,7 +874,7 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
> while (call_fext_func(FUNC_BUTTONS, 0x1, 0x0, 0x0) != 0
> && (i++) < MAX_HOTKEY_RINGBUFFER_SIZE)
> ; /* No action, result is discarded */
> - vdbg_printk(FUJLAPTOP_DBG_INFO, "Discarded %i ringbuffer entries\n", i);
> + fuj_dbg(FUJLAPTOP_DBG_INFO, "Discarded %i ringbuffer entries\n", i);
>
> fujitsu_hotkey->rfkill_supported =
> call_fext_func(FUNC_RFKILL, 0x0, 0x0, 0x0);
> @@ -996,13 +987,13 @@ static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event)
> keycode = 0;
> break;
> default:
> - vdbg_printk(FUJLAPTOP_DBG_WARN,
> - "Unknown GIRB result [%x]\n", irb);
> + fuj_dbg(FUJLAPTOP_DBG_WARN,
> + "Unknown GIRB result [%x]\n", irb);
> keycode = -1;
> break;
> }
> if (keycode > 0) {
> - vdbg_printk(FUJLAPTOP_DBG_TRACE,
> + fuj_dbg(FUJLAPTOP_DBG_TRACE,
> "Push keycode into ringbuffer [%d]\n",
> keycode);
> status = kfifo_in_locked(&fujitsu_hotkey->fifo,
> @@ -1010,9 +1001,9 @@ static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event)
> sizeof(keycode),
> &fujitsu_hotkey->fifo_lock);
> if (status != sizeof(keycode)) {
> - vdbg_printk(FUJLAPTOP_DBG_WARN,
> - "Could not push keycode [0x%x]\n",
> - keycode);
> + fuj_dbg(FUJLAPTOP_DBG_WARN,
> + "Could not push keycode [0x%x]\n",
> + keycode);
> } else {
> input_report_key(input, keycode, 1);
> input_sync(input);
> @@ -1027,9 +1018,9 @@ static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event)
> == sizeof(keycode_r)) {
> input_report_key(input, keycode_r, 0);
> input_sync(input);
> - vdbg_printk(FUJLAPTOP_DBG_TRACE,
> - "Pop keycode from ringbuffer [%d]\n",
> - keycode_r);
> + fuj_dbg(FUJLAPTOP_DBG_TRACE,
> + "Pop keycode from ringbuffer [%d]\n",
> + keycode_r);
> }
> }
> }
> @@ -1037,8 +1028,8 @@ static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event)
> break;
> default:
> keycode = KEY_UNKNOWN;
> - vdbg_printk(FUJLAPTOP_DBG_WARN,
> - "Unsupported event [0x%x]\n", event);
> + fuj_dbg(FUJLAPTOP_DBG_WARN, "Unsupported event [0x%x]\n",
> + event);
> input_report_key(input, keycode, 1);
> input_sync(input);
> input_report_key(input, keycode, 0);
> --
> 1.7.8.111.gad25c.dirty
--
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