From: Guenter Roeck <linux@roeck-us.net>
To: Arnd Bergmann <arnd@arndb.de>
Cc: LINUXWATCHDOG <linux-watchdog@vger.kernel.org>,
Linus Walleij <linus.walleij@linaro.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Haojian Zhuang <haojian.zhuang@gmail.com>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
Wim Van Sebroeck <wim@linux-watchdog.org>,
Robert Jarzmik <robert.jarzmik@free.fr>,
Daniel Mack <daniel@zonque.org>
Subject: Re: [PATCH 09/46] watchdog: sa1100: use platform device registration
Date: Tue, 22 Oct 2019 06:38:57 -0700 [thread overview]
Message-ID: <21d72661-a4f1-d51f-ddf0-f8cebb984029@roeck-us.net> (raw)
In-Reply-To: <CAK8P3a0GPVs+PqUwsL2H8VJqLh=MJnMTwPu9nhX+Nq-xiMS1yQ@mail.gmail.com>
On 10/22/19 2:44 AM, Arnd Bergmann wrote:
> On Sat, Oct 19, 2019 at 4:07 PM Guenter Roeck <linux@roeck-us.net> wrote:
>
>>> @@ -319,10 +316,13 @@ static struct platform_device *sa11x0_devices[] __initdata = {
>>>
>>> static int __init sa1100_init(void)
>>> {
>>> + struct resource wdt_res = DEFINE_RES_MEM(0x90000000, 0x20);
>>> pm_power_off = sa1100_power_off;
>>>
>>> regulator_has_full_constraints();
>>>
>>> + platform_device_register_simple("sa1100_wdt", -1, &wdt_res, 1);
>>> +
>>> return platform_add_devices(sa11x0_devices, ARRAY_SIZE(sa11x0_devices));
>>
>> Wouldn't it be better to add the watchdog device to sa11x0_devices ?
>
> Generally speaking, platform_device_register_simple() is better than
> platform_add_devices(), it does the same thing with fewer source lines
> and smaller object code, and it doesn't have the problem of lifetime rules
> for statically allocated reference-counted devices.
>
> One day we may want to replace all static platform_device instances with
> platform_device_info instead, but right now there are too many of those.
>
> I can change this one to a platform_device for consistency though if you
> think it's worth it.
>
No, I was just wondering. Thanks for the explanation.
Guenter
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next prev parent reply other threads:[~2019-10-22 13:39 UTC|newest]
Thread overview: 154+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-18 15:40 [PATCH 00/46] ARM: pxa: towards multiplatform support Arnd Bergmann
2019-10-18 15:41 ` [PATCH 01/46] ARM: pxa: split mach/generic.h Arnd Bergmann
2019-10-28 18:06 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 02/46] ARM: pxa: make mainstone.h private Arnd Bergmann
2019-10-28 18:08 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 03/46] ARM: pxa: make mach/regs-uart.h private Arnd Bergmann
2019-10-28 18:14 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 04/46] ARM: pxa: remove mach/dma.h Arnd Bergmann
2019-10-28 18:15 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 05/46] ARM: pxa: split up mach/hardware.h Arnd Bergmann
2019-10-18 18:37 ` Dmitry Torokhov
2019-10-19 21:22 ` Alexandre Belloni
2019-10-21 2:27 ` Viresh Kumar
2019-10-21 9:58 ` Ulf Hansson
2019-10-22 16:36 ` Mark Brown
2019-10-28 9:18 ` Stephen Boyd
2019-10-28 19:14 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 06/46] ARM: pxa: stop using mach/bitfield.h Arnd Bergmann
2019-10-28 19:20 ` Robert Jarzmik
2019-11-08 14:39 ` Bartlomiej Zolnierkiewicz
2019-10-18 15:41 ` [PATCH 07/46] ARM: pxa: move mach/sound.h to linux/platform_data/ Arnd Bergmann
2019-10-22 16:36 ` Mark Brown
2019-10-28 19:21 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 08/46] ARM: pxa: move regs-lcd.h into driver Arnd Bergmann
2019-10-28 19:24 ` Robert Jarzmik
2019-11-08 14:40 ` Bartlomiej Zolnierkiewicz
2019-10-18 15:41 ` [PATCH 09/46] watchdog: sa1100: use platform device registration Arnd Bergmann
2019-10-19 14:06 ` Guenter Roeck
2019-10-22 9:44 ` Arnd Bergmann
2019-10-22 13:38 ` Guenter Roeck [this message]
2019-10-18 15:41 ` [PATCH 10/46] ARM: pxa: pxa2xx-ac97-lib: use IRQ resource Arnd Bergmann
2019-10-28 20:19 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 11/46] ARM: pxa: cmx270: use platform device for nand Arnd Bergmann
2019-10-19 9:44 ` Miquel Raynal
2019-10-22 10:00 ` Arnd Bergmann
2019-10-28 20:25 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 12/46] ARM: pxa: make addr-map.h header local Arnd Bergmann
2019-10-28 20:27 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 13/46] ARM: pxa: move pcmcia board data into mach-pxa Arnd Bergmann
2019-10-18 15:41 ` [PATCH 14/46] ARM: pxa: use pdev resource for palmld mmio Arnd Bergmann
2019-10-28 20:34 ` Robert Jarzmik
2019-11-08 14:40 ` Bartlomiej Zolnierkiewicz
2019-10-18 15:41 ` [PATCH 15/46] ARM: pxa: maybe fix gpio lookup tables Arnd Bergmann
2019-10-28 20:48 ` Robert Jarzmik
2019-11-04 15:45 ` Linus Walleij
2019-10-18 15:41 ` [PATCH 16/46] ARM: pxa: tosa: use gpio descriptor for audio Arnd Bergmann
2019-10-22 16:36 ` Mark Brown
2019-10-28 20:49 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 17/46] ARM: pxa: poodle: use platform data for poodle asoc driver Arnd Bergmann
2019-10-22 16:37 ` Mark Brown
2019-10-28 20:53 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 18/46] ARM: pxa: corgi: use gpio descriptors for audio Arnd Bergmann
2019-10-22 16:37 ` Mark Brown
2019-10-28 20:56 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 19/46] ARM: pxa: hx4700: " Arnd Bergmann
2019-10-22 16:37 ` Mark Brown
2019-10-28 20:59 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 20/46] ARM: pxa: lubbock: pass udc irqs as resource Arnd Bergmann
2019-10-28 21:05 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 21/46] ARM: pxa: spitz: use gpio descriptors for audio Arnd Bergmann
2019-10-22 16:38 ` Mark Brown
2019-10-28 21:08 ` Robert Jarzmik
2022-04-19 15:40 ` Arnd Bergmann
2019-10-18 15:41 ` [PATCH 22/46] ARM: pxa: eseries: use gpio lookup " Arnd Bergmann
2019-10-22 16:38 ` Mark Brown
2019-10-28 21:13 ` Robert Jarzmik
2019-11-05 9:21 ` Linus Walleij
2019-10-18 15:41 ` [PATCH 23/46] ARM: pxa: z2: use gpio lookup for audio device Arnd Bergmann
2019-10-22 16:38 ` Mark Brown
2019-10-28 21:17 ` Robert Jarzmik
2019-11-05 9:22 ` Linus Walleij
2019-10-18 15:41 ` [PATCH 24/46] ARM: pxa: magician: use platform driver for audio Arnd Bergmann
2019-10-22 16:38 ` Mark Brown
2019-10-28 21:19 ` Robert Jarzmik
2019-11-05 9:22 ` Linus Walleij
2019-10-18 15:41 ` [PATCH 25/46] ARM: pxa: mainstone-wm97xx: use gpio lookup table Arnd Bergmann
2019-10-18 18:39 ` Dmitry Torokhov
[not found] ` <CAK8P3a1Fc=ogknDRGJ3Sn8bZ8tsR_ebE8_bDtF_kZ4AZ5YG_+g@mail.gmail.com>
2019-10-18 19:37 ` Arnd Bergmann
2019-10-18 20:39 ` Dmitry Torokhov
2019-10-28 21:24 ` Robert Jarzmik
2019-11-05 9:25 ` Linus Walleij
2019-10-18 15:41 ` [PATCH 26/46] ARM: pxa: zylonite: use gpio lookup instead mfp header Arnd Bergmann
2019-10-28 21:31 ` Robert Jarzmik
2019-11-05 9:28 ` Linus Walleij
2019-10-18 15:41 ` [PATCH 27/46] input: touchscreen: mainstone: fix pxa2xx+pxa3xx configuration Arnd Bergmann
2019-10-18 18:40 ` Dmitry Torokhov
2019-10-28 21:33 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 28/46] input: touchscreen: mainstone: sync with zylonite driver Arnd Bergmann
2019-10-18 18:41 ` Dmitry Torokhov
2019-10-28 21:40 ` Robert Jarzmik
2022-04-19 15:51 ` Arnd Bergmann
2019-10-18 15:41 ` [PATCH 29/46] Input: touchscreen: use wrapper for pxa2xx ac97 registers Arnd Bergmann
2019-10-18 18:48 ` Dmitry Torokhov
[not found] ` <CAK8P3a27==9TeS-RWEvrpnxh+6McqRF-xeb8WPj9pHOn+0zbOQ@mail.gmail.com>
2019-10-18 19:39 ` Fwd: " Arnd Bergmann
2019-10-18 20:39 ` Dmitry Torokhov
2019-10-30 20:33 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 30/46] SoC: pxa: use pdev resource for FIFO regs Arnd Bergmann
2019-10-22 16:39 ` Mark Brown
2019-10-22 20:13 ` Arnd Bergmann
2019-10-28 21:45 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 31/46] ASoC: pxa: ac97: use normal MMIO accessors Arnd Bergmann
2019-10-28 21:47 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 32/46] ASoC: pxa: i2s: " Arnd Bergmann
2019-10-22 16:39 ` Mark Brown
2019-10-28 21:50 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 33/46] ARM: pxa: pcmcia: move smemc configuration back to arch Arnd Bergmann
2019-10-28 21:57 ` Robert Jarzmik
2022-04-19 15:55 ` Arnd Bergmann
2019-10-18 15:41 ` [PATCH 34/46] ARM: pxa: remove get_clk_frequency_khz() Arnd Bergmann
2019-10-21 2:26 ` Viresh Kumar
2019-10-28 21:58 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 35/46] cpufreq: pxa3: move clk register access to clk driver Arnd Bergmann
2019-10-21 2:26 ` Viresh Kumar
2019-10-28 9:23 ` Stephen Boyd
2019-10-30 20:42 ` Robert Jarzmik
2019-11-08 21:59 ` Stephen Boyd
2019-11-08 22:02 ` Stephen Boyd
2019-10-18 15:41 ` [PATCH 36/46] ARM: pxa: move smemc register access from clk to platform Arnd Bergmann
2019-10-28 9:34 ` Stephen Boyd
2019-10-30 20:57 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 37/46] ARM: pxa: move clk register definitions to driver Arnd Bergmann
2019-10-28 9:34 ` Stephen Boyd
2019-10-30 21:00 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 38/46] video: backlight: tosa: use gpio lookup table Arnd Bergmann
2019-10-30 21:10 ` Robert Jarzmik
2019-11-05 10:04 ` Linus Walleij
2019-11-05 10:17 ` Daniel Thompson
2019-11-11 9:30 ` Lee Jones
2019-10-18 15:41 ` [PATCH 39/46] power: tosa: simplify probe function Arnd Bergmann
2019-10-19 9:07 ` Sebastian Reichel
2019-10-30 21:12 ` Robert Jarzmik
2019-10-30 21:21 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 40/46] ARM: pxa: tosa: use gpio lookup for battery Arnd Bergmann
2019-10-19 9:09 ` Sebastian Reichel
2019-10-18 15:41 ` [PATCH 41/46] ARM: pxa: move it8152 PCI support into machine Arnd Bergmann
2019-10-18 15:41 ` [PATCH 42/46] ARM: pxa: remove unused mach/bitfield.h Arnd Bergmann
2019-10-30 21:33 ` Robert Jarzmik
2019-10-18 15:41 ` [PATCH 43/46] ARM: pxa: pci-it8152: add platform checks Arnd Bergmann
2019-10-18 15:41 ` [PATCH 44/46] ARM: mmp: remove tavorevb board support Arnd Bergmann
2019-10-19 14:20 ` Lubomir Rintel
2019-10-19 19:34 ` Arnd Bergmann
2019-10-18 15:42 ` [PATCH 45/46] ARM: mmp: rename pxa_register_device Arnd Bergmann
2019-10-31 8:53 ` Lubomir Rintel
2019-10-18 15:42 ` [PATCH 46/46] ARM: pxa: move plat-pxa to drivers/soc/ Arnd Bergmann
2019-10-30 21:40 ` Robert Jarzmik
2019-10-31 8:53 ` Lubomir Rintel
2019-10-18 19:03 ` [PATCH 00/46] ARM: pxa: towards multiplatform support Robert Jarzmik
[not found] ` <CAK8P3a1JDtHsOW=iaxEycbJ4TBkR9MHUyDMeJnwxCtb=tefnBQ@mail.gmail.com>
2019-10-18 19:32 ` Arnd Bergmann
2019-10-19 10:35 ` Robert Jarzmik
2019-10-24 20:49 ` Robert Jarzmik
2019-10-25 10:50 ` Arnd Bergmann
2019-10-19 1:02 ` Guenter Roeck
2019-10-19 10:08 ` Arnd Bergmann
2019-10-19 10:09 ` Arnd Bergmann
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