From: andy.shevchenko@gmail.com
To: Yan Wang <rk.code@outlook.com>
Cc: linus.walleij@linaro.org, brgl@bgdev.pl,
"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] gpio: gpiolib: clear the array_info's memory space
Date: Wed, 26 Apr 2023 17:42:40 +0300 [thread overview]
Message-ID: <ZEk4YNQeYohEwnSg@surfacebook> (raw)
In-Reply-To: <KL1PR01MB5448327326B6EDA8001AF714E6669@KL1PR01MB5448.apcprd01.prod.exchangelabs.com>
Sun, Apr 23, 2023 at 09:59:43PM +0800, Yan Wang kirjoitti:
> if hardware number different to array index,it needs to clear to points
> memory space if the array_info have been assigned a value.
Can you explain a bit more what's going on there?
...
> if (bitmap_full(array_info->get_mask, descs->ndescs)) {
> + /*clear descs->info*/
> + memset(array_info, 0, sizeof(struct gpio_array));
> array_info = NULL;
...
> }
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2023-04-26 14:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-23 11:03 [PATCH v1] gpio: gpiolib: clear the array_info's memory space Yan Wang
2023-04-23 13:09 ` kernel test robot
2023-04-23 13:41 ` kernel test robot
2023-04-23 13:59 ` [PATCH v2] " Yan Wang
2023-04-26 14:42 ` andy.shevchenko [this message]
2023-04-27 6:13 ` Yan Wang
2023-05-04 9:36 ` Yan Wang
2023-05-04 11:36 ` Andy Shevchenko
2023-05-04 14:15 ` Yan Wang
2023-05-12 7:37 ` Yan Wang
2023-05-15 7:25 ` Linus Walleij
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