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Message-ID: <10661491.9ZT613bo8E@vostro.rjw.lan>
Date: Tue, 25 Feb 2014 15:23:51 +0100
From: "Rafael J. Wysocki" <rjw@...ysocki.net>
To: Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc: Linus Walleij <linus.walleij@...aro.org>,
Alexandre Courbot <gnurou@...il.com>,
Lan Tianyu <tianyu.lan@...el.com>,
Lv Zheng <lv.zheng@...el.com>, Alan Cox <alan.cox@...el.com>,
Mathias Nyman <mathias.nyman@...ux.intel.com>,
linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/6] gpio / ACPI: Rename acpi_gpio_evt_pin to acpi_gpio_event
On Monday, February 24, 2014 06:00:08 PM Mika Westerberg wrote:
> In order to consolidate _Exx, _Lxx and _EVT to use the same structure we
> make the structure name reflect that we are dealing with any event, not
> just _EVT.
It's just a rename, right? Then please say in the changelog that no functional
changes should result from this.
> Signed-off-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
> ---
> drivers/gpio/gpiolib-acpi.c | 56 ++++++++++++++++++++++-----------------------
> 1 file changed, 28 insertions(+), 28 deletions(-)
>
> diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
> index 5f5f107c2099..cb99dc2c552e 100644
> --- a/drivers/gpio/gpiolib-acpi.c
> +++ b/drivers/gpio/gpiolib-acpi.c
> @@ -19,7 +19,7 @@
>
> #include "gpiolib.h"
>
> -struct acpi_gpio_evt_pin {
> +struct acpi_gpio_event {
> struct list_head node;
> acpi_handle *evt_handle;
> unsigned int pin;
> @@ -28,7 +28,7 @@ struct acpi_gpio_evt_pin {
>
> struct acpi_gpio_chip {
> struct gpio_chip *chip;
> - struct list_head *evt_pins;
> + struct list_head *events;
> };
>
> static int acpi_gpiochip_find(struct gpio_chip *gc, void *data)
> @@ -79,9 +79,9 @@ static irqreturn_t acpi_gpio_irq_handler(int irq, void *data)
>
> static irqreturn_t acpi_gpio_irq_handler_evt(int irq, void *data)
> {
> - struct acpi_gpio_evt_pin *evt_pin = data;
> + struct acpi_gpio_event *event = data;
>
> - acpi_execute_simple_method(evt_pin->evt_handle, NULL, evt_pin->pin);
> + acpi_execute_simple_method(event->evt_handle, NULL, event->pin);
>
> return IRQ_HANDLED;
> }
> @@ -107,7 +107,7 @@ static void acpi_gpiochip_request_interrupts(struct acpi_gpio_chip *achip)
> struct gpio_chip *chip = achip->chip;
> struct acpi_resource *res;
> acpi_handle handle, evt_handle;
> - struct list_head *evt_pins = NULL;
> + struct list_head *events = NULL;
> acpi_status status;
> unsigned int pin;
> int irq, ret;
> @@ -126,10 +126,10 @@ static void acpi_gpiochip_request_interrupts(struct acpi_gpio_chip *achip)
>
> status = acpi_get_handle(handle, "_EVT", &evt_handle);
> if (ACPI_SUCCESS(status)) {
> - evt_pins = kzalloc(sizeof(*evt_pins), GFP_KERNEL);
> - if (evt_pins) {
> - INIT_LIST_HEAD(evt_pins);
> - achip->evt_pins = evt_pins;
> + events = kzalloc(sizeof(*events), GFP_KERNEL);
> + if (events) {
> + INIT_LIST_HEAD(events);
> + achip->events = events;
> }
> }
>
> @@ -168,19 +168,19 @@ static void acpi_gpiochip_request_interrupts(struct acpi_gpio_chip *achip)
> data = ev_handle;
> }
> }
> - if (!handler && evt_pins) {
> - struct acpi_gpio_evt_pin *evt_pin;
> + if (!handler && events) {
> + struct acpi_gpio_event *event;
>
> - evt_pin = kzalloc(sizeof(*evt_pin), GFP_KERNEL);
> - if (!evt_pin)
> + event = kzalloc(sizeof(*event), GFP_KERNEL);
> + if (!event)
> continue;
>
> - list_add_tail(&evt_pin->node, evt_pins);
> - evt_pin->evt_handle = evt_handle;
> - evt_pin->pin = pin;
> - evt_pin->irq = irq;
> + list_add_tail(&event->node, events);
> + event->evt_handle = evt_handle;
> + event->pin = pin;
> + event->irq = irq;
> handler = acpi_gpio_irq_handler_evt;
> - data = evt_pin;
> + data = event;
> }
> if (!handler)
> continue;
> @@ -207,23 +207,23 @@ static void acpi_gpiochip_request_interrupts(struct acpi_gpio_chip *achip)
> */
> static void acpi_gpiochip_free_interrupts(struct acpi_gpio_chip *achip)
> {
> - struct list_head *evt_pins;
> - struct acpi_gpio_evt_pin *evt_pin, *ep;
> + struct list_head *events;
> + struct acpi_gpio_event *event, *ep;
> struct gpio_chip *chip = achip->chip;
>
> - if (!chip->dev || !chip->to_irq || !achip->evt_pins)
> + if (!chip->dev || !chip->to_irq || !achip->events)
> return;
>
> - evt_pins = achip->evt_pins;
> - achip->evt_pins = NULL;
> + events = achip->events;
> + achip->events = NULL;
>
> - list_for_each_entry_safe_reverse(evt_pin, ep, evt_pins, node) {
> - devm_free_irq(chip->dev, evt_pin->irq, evt_pin);
> - list_del(&evt_pin->node);
> - kfree(evt_pin);
> + list_for_each_entry_safe_reverse(event, ep, events, node) {
> + devm_free_irq(chip->dev, event->irq, event);
> + list_del(&event->node);
> + kfree(event);
> }
>
> - kfree(evt_pins);
> + kfree(events);
> }
>
> struct acpi_gpio_lookup {
>
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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