From: Lee Jones <lee.jones@linaro.org>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-gpio@vger.kernel.org, Johan Hovold <johan@kernel.org>,
Alexandre Courbot <acourbot@nvidia.com>,
Michael Welling <mwelling@ieee.org>,
Markus Pargmann <mpa@pengutronix.de>
Subject: Re: [PATCH 168/182] mfd: ucb1x00: use gpiochip data pointer
Date: Thu, 10 Dec 2015 10:34:43 +0000 [thread overview]
Message-ID: <20151210103443.GI17876@x1> (raw)
In-Reply-To: <1449668897-6498-1-git-send-email-linus.walleij@linaro.org>
On Wed, 09 Dec 2015, Linus Walleij wrote:
> This makes the driver use the data pointer added to the gpio_chip
> to store a pointer to the state container instead of relying on
> container_of().
>
> Cc: Lee Jones <lee.jones@linaro.org>
> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
> ---
> Lee please ACK this so I can take it through the GPIO tree.
> ---
> drivers/mfd/ucb1x00-core.c | 14 +++++++-------
> 1 file changed, 7 insertions(+), 7 deletions(-)
Acked-by: Lee Jones <lee.jones@linaro.org>
> diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c
> index a6ec7cc0fac6..84d0757b8c5d 100644
> --- a/drivers/mfd/ucb1x00-core.c
> +++ b/drivers/mfd/ucb1x00-core.c
> @@ -28,7 +28,7 @@
> #include <linux/mutex.h>
> #include <linux/mfd/ucb1x00.h>
> #include <linux/pm.h>
> -#include <linux/gpio.h>
> +#include <linux/gpio/driver.h>
>
> static DEFINE_MUTEX(ucb1x00_mutex);
> static LIST_HEAD(ucb1x00_drivers);
> @@ -109,7 +109,7 @@ unsigned int ucb1x00_io_read(struct ucb1x00 *ucb)
>
> static void ucb1x00_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
> {
> - struct ucb1x00 *ucb = container_of(chip, struct ucb1x00, gpio);
> + struct ucb1x00 *ucb = gpiochip_get_data(chip);
> unsigned long flags;
>
> spin_lock_irqsave(&ucb->io_lock, flags);
> @@ -126,7 +126,7 @@ static void ucb1x00_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
>
> static int ucb1x00_gpio_get(struct gpio_chip *chip, unsigned offset)
> {
> - struct ucb1x00 *ucb = container_of(chip, struct ucb1x00, gpio);
> + struct ucb1x00 *ucb = gpiochip_get_data(chip);
> unsigned val;
>
> ucb1x00_enable(ucb);
> @@ -138,7 +138,7 @@ static int ucb1x00_gpio_get(struct gpio_chip *chip, unsigned offset)
>
> static int ucb1x00_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
> {
> - struct ucb1x00 *ucb = container_of(chip, struct ucb1x00, gpio);
> + struct ucb1x00 *ucb = gpiochip_get_data(chip);
> unsigned long flags;
>
> spin_lock_irqsave(&ucb->io_lock, flags);
> @@ -154,7 +154,7 @@ static int ucb1x00_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
> static int ucb1x00_gpio_direction_output(struct gpio_chip *chip, unsigned offset
> , int value)
> {
> - struct ucb1x00 *ucb = container_of(chip, struct ucb1x00, gpio);
> + struct ucb1x00 *ucb = gpiochip_get_data(chip);
> unsigned long flags;
> unsigned old, mask = 1 << offset;
>
> @@ -181,7 +181,7 @@ static int ucb1x00_gpio_direction_output(struct gpio_chip *chip, unsigned offset
>
> static int ucb1x00_to_irq(struct gpio_chip *chip, unsigned offset)
> {
> - struct ucb1x00 *ucb = container_of(chip, struct ucb1x00, gpio);
> + struct ucb1x00 *ucb = gpiochip_get_data(chip);
>
> return ucb->irq_base > 0 ? ucb->irq_base + offset : -ENXIO;
> }
> @@ -579,7 +579,7 @@ static int ucb1x00_probe(struct mcp *mcp)
> ucb->gpio.direction_input = ucb1x00_gpio_direction_input;
> ucb->gpio.direction_output = ucb1x00_gpio_direction_output;
> ucb->gpio.to_irq = ucb1x00_to_irq;
> - ret = gpiochip_add(&ucb->gpio);
> + ret = gpiochip_add_data(&ucb->gpio, ucb);
> if (ret)
> goto err_gpio_add;
> } else
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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prev parent reply other threads:[~2015-12-10 10:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-09 13:48 [PATCH 168/182] mfd: ucb1x00: use gpiochip data pointer Linus Walleij
2015-12-10 10:34 ` Lee Jones [this message]
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