From: Rashmica Gupta <rashmica.g@gmail.com>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>,
"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
Bartosz Golaszewski <bgolaszewski@baylibre.com>,
linux-arm Mailing List <linux-arm-kernel@lists.infradead.org>,
linux-aspeed@lists.ozlabs.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Joel Stanley <joel@jms.id.au>, Andrew Jeffery <andrew@aj.id.au>
Subject: Re: [PATCH 1/4] gpio/aspeed: Fix incorrect number of banks
Date: Thu, 05 Sep 2019 09:17:43 +1000 [thread overview]
Message-ID: <dd62da5f10c06fae1823bf8338c2acc83fe40a40.camel@gmail.com> (raw)
In-Reply-To: <CAHp75Vd_6Rpt5=BjzV8YFCiFP7qsRrYHHo7+=gWwnZH-zT9jNw@mail.gmail.com>
On Wed, 2019-09-04 at 19:27 +0300, Andy Shevchenko wrote:
> On Wed, Sep 4, 2019 at 9:14 AM Rashmica Gupta <rashmica.g@gmail.com>
> wrote:
> > Fixes: 361b79119a4b7 ('gpio: Add Aspeed driver')
> >
> > Signed-off-by: Rashmica Gupta <rashmica.g@gmail.com>
> > /* Allocate a cache of the output registers */
> > - banks = gpio->config->nr_gpios >> 5;
> > + banks = (gpio->config->nr_gpios >> 5) + 1;
>
> Shouldn't be rather DIV_ROUND_UP(nr_gpios, sizeof(u32)) ?
I agree that DIV_ROUND_UP is the right thing to use here, but wouldn't
it be DIV_ROUND_UP(nr_gpios, 32)?
>
> > gpio->dcache = devm_kcalloc(&pdev->dev,
> > banks, sizeof(u32),
> > GFP_KERNEL);
>
>
next prev parent reply other threads:[~2019-09-04 23:17 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-04 6:12 [PATCH 1/4] gpio/aspeed: Fix incorrect number of banks Rashmica Gupta
2019-09-04 6:12 ` [PATCH 2/4] gpio/aspeed: Setup irqchip dynamically Rashmica Gupta
2019-09-04 6:12 ` [PATCH 3/4] gpio: Add in ast2600 details to Aspeed driver Rashmica Gupta
2019-09-04 16:30 ` Andy Shevchenko
2019-09-04 23:34 ` Rashmica Gupta
2019-09-05 8:10 ` Andy Shevchenko
2019-09-04 6:12 ` [PATCH 4/4] gpio: Update documentation with ast2600 controllers Rashmica Gupta
2019-09-04 7:02 ` Bartosz Golaszewski
2019-09-04 23:22 ` Rashmica Gupta
2019-09-04 6:57 ` [PATCH 1/4] gpio/aspeed: Fix incorrect number of banks Bartosz Golaszewski
2019-09-04 16:27 ` Andy Shevchenko
2019-09-04 23:17 ` Rashmica Gupta [this message]
2019-09-05 8:08 ` Andy Shevchenko
2019-09-11 17:48 ` Vijay Khemka
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