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From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
To: Syed Nayyar Waris <syednwaris@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	William Breathitt Gray <vilhelm.gray@gmail.com>,
	Michal Simek <michal.simek@xilinx.com>,
	Arnd Bergmann <arnd@arndb.de>,
	rrichter@marvell.com, Linus Walleij <linus.walleij@linaro.org>,
	Masahiro Yamada <yamada.masahiro@socionext.com>,
	Zhang Rui <rui.zhang@intel.com>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	Amit Kucheria <amit.kucheria@verdurent.com>,
	linux-arch@vger.kernel.org,
	linux-gpio <linux-gpio@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	arm-soc <linux-arm-kernel@lists.infradead.org>,
	linux-pm <linux-pm@vger.kernel.org>
Subject: Re: [RESEND PATCH 3/4] gpio: xilinx: Modify bitmap_set_value() calls
Date: Tue, 1 Dec 2020 16:33:28 +0100	[thread overview]
Message-ID: <CAMpxmJVNPWCUFnBXzDW3uJ_1Sv4rQ=M0WbKmoW4juYLUQP-ABA@mail.gmail.com> (raw)
In-Reply-To: <c509c26eb9903414bd730bdd344b7864aedaa6f1.1605893642.git.syednwaris@gmail.com>

On Fri, Nov 20, 2020 at 7:46 PM Syed Nayyar Waris <syednwaris@gmail.com> wrote:
>
> Modify the bitmap_set_value() calls. bitmap_set_value()
> now takes an extra bitmap width as second argument and the width of
> value is now present as the fourth argument.
>
> Cc: Michal Simek <michal.simek@xilinx.com>
> Signed-off-by: Syed Nayyar Waris <syednwaris@gmail.com>
> ---
>  drivers/gpio/gpio-xilinx.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c
> index ad4ee4145db4..05dae086c4d0 100644
> --- a/drivers/gpio/gpio-xilinx.c
> +++ b/drivers/gpio/gpio-xilinx.c
> @@ -151,16 +151,16 @@ static void xgpio_set_multiple(struct gpio_chip *gc, unsigned long *mask,
>         spin_lock_irqsave(&chip->gpio_lock[0], flags);
>         spin_lock(&chip->gpio_lock[1]);
>
> -       bitmap_set_value(old, state[0], 0, width[0]);
> -       bitmap_set_value(old, state[1], width[0], width[1]);
> +       bitmap_set_value(old, 64, state[0], width[0], 0);
> +       bitmap_set_value(old, 64, state[1], width[1], width[0]);
>         bitmap_replace(new, old, bits, mask, gc->ngpio);
>
> -       bitmap_set_value(old, state[0], 0, 32);
> -       bitmap_set_value(old, state[1], 32, 32);
> +       bitmap_set_value(old, 64, state[0], 32, 0);
> +       bitmap_set_value(old, 64, state[1], 32, 32);
>         state[0] = bitmap_get_value(new, 0, width[0]);
>         state[1] = bitmap_get_value(new, width[0], width[1]);
> -       bitmap_set_value(new, state[0], 0, 32);
> -       bitmap_set_value(new, state[1], 32, 32);
> +       bitmap_set_value(new, 64, state[0], 32, 0);
> +       bitmap_set_value(new, 64, state[1], 32, 32);
>         bitmap_xor(changed, old, new, 64);
>
>         if (((u32 *)changed)[0])
> --
> 2.29.0
>

This series is not bisectable because you modify the interface -
breaking existing users - and you only fix them later. Please squash
those changes into a single commit.

Bartosz

  parent reply	other threads:[~2020-12-01 15:34 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-20 17:42 [PATCH 0/4] Modify bitmap_set_value() to suppress compiler warning Syed Nayyar Waris
2020-11-20 17:44 ` [PATCH 1/4] bitmap: Modify bitmap_set_value() to check bitmap length Syed Nayyar Waris
2020-11-20 17:59   ` William Breathitt Gray
2020-11-20 18:02     ` Syed Nayyar Waris
2020-11-20 18:43   ` [RESEND PATCH " Syed Nayyar Waris
2020-11-20 17:45 ` [PATCH 2/4] lib/test_bitmap.c: Modify for_each_set_clump test Syed Nayyar Waris
2020-11-20 18:44   ` [RESEND PATCH " Syed Nayyar Waris
2020-11-20 17:46 ` [PATCH 3/4] gpio: xilinx: Modify bitmap_set_value() calls Syed Nayyar Waris
2020-11-20 18:45   ` [RESEND PATCH " Syed Nayyar Waris
2020-12-01 15:33   ` Bartosz Golaszewski [this message]
2020-12-12  9:39     ` Syed Nayyar Waris
2020-11-20 17:48 ` [PATCH 4/4] gpio: xilinx: Add extra check to see if sum of widths exceed 64 Syed Nayyar Waris
2020-11-20 18:46   ` [RESEND PATCH 4/4] gpio: xilinx: Add extra check " Syed Nayyar Waris

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