From: Serge Semin <fancer.lancer@gmail.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Linus Walleij <linus.walleij@linaro.org>,
Bartosz Golaszewski <bgolaszewski@baylibre.com>,
linux-gpio@vger.kernel.org
Subject: Re: [PATCH v1 08/13] gpio: dwapb: Switch to more usual pattern of RMW in dwapb_gpio_set_debounce()
Date: Wed, 15 Apr 2020 16:00:00 +0300 [thread overview]
Message-ID: <20200415130000.4zrylm4dlchit7sw@mobilestation> (raw)
In-Reply-To: <20200409141228.49561-9-andriy.shevchenko@linux.intel.com>
On Thu, Apr 09, 2020 at 05:12:23PM +0300, Andy Shevchenko wrote:
> More usual pattern is to prepare value and then write it in a single place.
> Switch code in dwapb_gpio_set_debounce() to it.
Seems appropriate. Thanks.
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
> drivers/gpio/gpio-dwapb.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
> index 916a42fea456..a15652ff9495 100644
> --- a/drivers/gpio/gpio-dwapb.c
> +++ b/drivers/gpio/gpio-dwapb.c
> @@ -327,9 +327,10 @@ static int dwapb_gpio_set_debounce(struct gpio_chip *gc,
>
> val_deb = dwapb_read(gpio, GPIO_PORTA_DEBOUNCE);
> if (debounce)
> - dwapb_write(gpio, GPIO_PORTA_DEBOUNCE, val_deb | mask);
> + val_deb |= mask;
> else
> - dwapb_write(gpio, GPIO_PORTA_DEBOUNCE, val_deb & ~mask);
> + val_deb &= ~mask;
> + dwapb_write(gpio, GPIO_PORTA_DEBOUNCE, val_deb);
>
> spin_unlock_irqrestore(&gc->bgpio_lock, flags);
>
> --
> 2.25.1
>
next prev parent reply other threads:[~2020-04-15 13:00 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-09 14:12 [PATCH v1 00/13] gpio: dwapb: Clean up the driver and a fix Andy Shevchenko
2020-04-09 14:12 ` [PATCH v1 01/13] gpio: dwapb: Append MODULE_ALIAS for platform driver Andy Shevchenko
2020-04-15 11:58 ` Serge Semin
2020-04-09 14:12 ` [PATCH v1 02/13] gpio: dwapb: Refactor IRQ handler Andy Shevchenko
2020-04-15 12:04 ` Serge Semin
2020-04-15 12:35 ` Andy Shevchenko
2020-04-09 14:12 ` [PATCH v1 03/13] gpio: dwapb: set default handler to be handle_bad_irq() Andy Shevchenko
2020-04-15 12:22 ` Serge Semin
2020-04-15 12:33 ` Andy Shevchenko
2020-04-09 14:12 ` [PATCH v1 04/13] gpio: dwapb: Deduplicate IRQ resource management Andy Shevchenko
2020-04-15 12:28 ` Serge Semin
2020-04-09 14:12 ` [PATCH v1 05/13] gpio: dwapb: Convert to use irqd_to_hwirq() Andy Shevchenko
2020-04-15 12:42 ` Serge Semin
2020-04-15 13:16 ` Andy Shevchenko
2020-04-09 14:12 ` [PATCH v1 06/13] gpio: dwapb: Use device_get_match_data() to simplify code Andy Shevchenko
2020-04-15 12:46 ` Serge Semin
2020-04-09 14:12 ` [PATCH v1 07/13] gpio: dwapb: Convert to use IRQ core provided macros Andy Shevchenko
2020-04-15 12:57 ` Serge Semin
2020-04-09 14:12 ` [PATCH v1 08/13] gpio: dwapb: Switch to more usual pattern of RMW in dwapb_gpio_set_debounce() Andy Shevchenko
2020-04-15 13:00 ` Serge Semin [this message]
2020-04-09 14:12 ` [PATCH v1 09/13] gpio: dwapb: Drop bogus BUG_ON()s Andy Shevchenko
2020-04-15 13:05 ` Serge Semin
2020-04-09 14:12 ` [PATCH v1 10/13] gpio: dwapb: Drop of_match_ptr() & ACPI_PTR() calls Andy Shevchenko
2020-04-15 13:07 ` Serge Semin
2020-04-09 14:12 ` [PATCH v1 11/13] gpio: dwapb: Split out dwapb_get_irq() helper Andy Shevchenko
2020-04-15 13:13 ` Serge Semin
2020-04-09 14:12 ` [PATCH v1 12/13] gpio: dwapb: Use positive conditional in dwapb_configure_irqs() Andy Shevchenko
2020-04-09 14:12 ` [PATCH v1 13/13] gpio: dwapb: Amend indentation in some cases Andy Shevchenko
2020-04-09 14:28 ` [PATCH v1 00/13] gpio: dwapb: Clean up the driver and a fix Serge Semin
2020-04-15 11:55 ` Serge Semin
2020-04-15 12:06 ` Andy Shevchenko
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