From: Andy Shevchenko <andy@kernel.org>
To: "Duje Mihanović" <duje.mihanovic@skole.hr>
Cc: Daniel Mack <daniel@zonque.org>,
Haojian Zhuang <haojian.zhuang@gmail.com>,
Robert Jarzmik <robert.jarzmik@free.fr>,
Russell King <linux@armlinux.org.uk>,
Alan Stern <stern@rowland.harvard.edu>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Linus Walleij <linus.walleij@linaro.org>,
Bartosz Golaszewski <brgl@bgdev.pl>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
linux-gpio@vger.kernel.org
Subject: Re: [PATCH RFC v2 5/6] ARM: pxa: Convert Spitz hsync to GPIO descriptors
Date: Tue, 26 Sep 2023 19:19:23 +0300 [thread overview]
Message-ID: <ZRMEi6pACEx5HQZ/@smile.fi.intel.com> (raw)
In-Reply-To: <20230926-pxa-gpio-v2-5-984464d165dd@skole.hr>
On Tue, Sep 26, 2023 at 05:46:26PM +0200, Duje Mihanović wrote:
> Sharp's Spitz still uses the legacy GPIO interface in its
> wait_for_hsync() function.
>
> Convert it to use the GPIO descriptor interface.
...
> +static struct gpio_desc *hsync = NULL;
Assignment is redundant.
...
> gpiod_add_lookup_table(&spitz_ads7846_gpio_table);
> gpiod_add_lookup_table(&spitz_spi_gpio_table);
> + hsync = gpiod_get(NULL, "hsync", GPIOD_IN);
> + if (IS_ERR(hsync)) {
> + pr_err("Failed to get hsync GPIO: %ld\n", PTR_ERR(hsync));
> + return;
> + }
> pxa2xx_set_spi_info(2, &spitz_spi_info);
> spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
Yeah, but the question is, if GPIO request fails, can we instantiate at least
one device and move on?
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2023-09-26 16:32 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-26 15:46 [PATCH RFC v2 0/6] ARM: pxa: GPIO descriptor conversions Duje Mihanović
2023-09-26 15:46 ` [PATCH RFC v2 1/6] ARM: pxa: Convert Spitz OHCI to GPIO descriptors Duje Mihanović
2023-09-26 16:09 ` Andy Shevchenko
2023-09-26 15:46 ` [PATCH RFC v2 2/6] ARM: pxa: Convert Spitz LEDs " Duje Mihanović
2023-09-26 20:21 ` Linus Walleij
2023-09-26 15:46 ` [PATCH RFC v2 3/6] ARM: pxa: Convert Spitz CF power control " Duje Mihanović
2023-09-26 16:15 ` Andy Shevchenko
2023-09-27 12:56 ` Duje Mihanović
2023-09-27 13:46 ` Andy Shevchenko
2023-09-26 20:26 ` Linus Walleij
2023-09-26 15:46 ` [PATCH RFC v2 4/6] ARM: pxa: Convert reset driver " Duje Mihanović
2023-09-26 16:17 ` Andy Shevchenko
2023-09-26 20:26 ` Linus Walleij
2023-09-26 15:46 ` [PATCH RFC v2 5/6] ARM: pxa: Convert Spitz hsync " Duje Mihanović
2023-09-26 16:19 ` Andy Shevchenko [this message]
2023-09-27 12:54 ` Duje Mihanović
2023-09-26 15:46 ` [PATCH RFC v2 6/6] ARM: pxa: Convert gumstix Bluetooth " Duje Mihanović
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=ZRMEi6pACEx5HQZ/@smile.fi.intel.com \
--to=andy@kernel.org \
--cc=brgl@bgdev.pl \
--cc=daniel@zonque.org \
--cc=duje.mihanovic@skole.hr \
--cc=gregkh@linuxfoundation.org \
--cc=haojian.zhuang@gmail.com \
--cc=linus.walleij@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-gpio@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=linux@armlinux.org.uk \
--cc=robert.jarzmik@free.fr \
--cc=stern@rowland.harvard.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).