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From:   Syed Nayyar Waris <syednwaris@gmail.com>
Date:   Sat, 12 Dec 2020 15:09:46 +0530
Message-ID: <CACG_h5o1SCRyU4b_d49S7u1OVeEX_2b0mkBgnzJGNotGw-VwkA@mail.gmail.com>
Subject: Re: [RESEND PATCH 3/4] gpio: xilinx: Modify bitmap_set_value() calls
To:     Bartosz Golaszewski <bgolaszewski@baylibre.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>,
        Robert Richter <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 <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>
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Precedence: bulk

On Tue, Dec 1, 2020 at 9:03 PM Bartosz Golaszewski
<bgolaszewski@baylibre.com> wrote:
>
> 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

Hi Bartosz,

I have squashed the changes and have sent a new patchset v2.

Regards
Syed Nayyar Waris