From: Srinivas Neeli <sneeli@xilinx.com> To: Bartosz Golaszewski <bgolaszewski@baylibre.com>, Andy Shevchenko <andy.shevchenko@gmail.com> Cc: "linus.walleij@linaro.org" <linus.walleij@linaro.org>, Michal Simek <michals@xilinx.com>, Shubhrajyoti Datta <shubhraj@xilinx.com>, Srinivas Goud <sgoud@xilinx.com>, "linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, git <git@xilinx.com> Subject: RE: [PATCH 1/3] gpio: zynq: use module_platform_driver to simplify the code Date: Wed, 14 Apr 2021 14:45:55 +0000 [thread overview] Message-ID: <DM6PR02MB5386CADF5A10EF28A640AD76AF4E9@DM6PR02MB5386.namprd02.prod.outlook.com> (raw) In-Reply-To: <CAMpxmJW=HWf_NxGpfBkX=utgOTs4+6RtypxnKGtpuYnX=t8rGQ@mail.gmail.com> HI baratosz and Andy, > -----Original Message----- > From: Bartosz Golaszewski <bgolaszewski@baylibre.com> > Sent: Tuesday, April 13, 2021 4:14 PM > To: Andy Shevchenko <andy.shevchenko@gmail.com> > Cc: Srinivas Neeli <sneeli@xilinx.com>; linus.walleij@linaro.org; Michal Simek > <michals@xilinx.com>; Shubhrajyoti Datta <shubhraj@xilinx.com>; Srinivas > Goud <sgoud@xilinx.com>; linux-gpio@vger.kernel.org; linux-arm- > kernel@lists.infradead.org; linux-kernel@vger.kernel.org; git > <git@xilinx.com> > Subject: Re: [PATCH 1/3] gpio: zynq: use module_platform_driver to simplify > the code > > On Sat, Apr 10, 2021 at 12:08 AM Andy Shevchenko > <andy.shevchenko@gmail.com> wrote: > > > > > > > > On Friday, April 9, 2021, Srinivas Neeli <srinivas.neeli@xilinx.com> wrote: > >> > >> module_platform_driver() makes the code simpler by eliminating > >> boilerplate code. > >> > >> Signed-off-by: Srinivas Neeli <srinivas.neeli@xilinx.com> > >> --- > >> drivers/gpio/gpio-zynq.c | 17 +---------------- > >> 1 file changed, 1 insertion(+), 16 deletions(-) > >> > >> diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c > >> index 3521c1dc3ac0..bb1ac0c5cf26 100644 > >> --- a/drivers/gpio/gpio-zynq.c > >> +++ b/drivers/gpio/gpio-zynq.c > >> @@ -1020,22 +1020,7 @@ static struct platform_driver zynq_gpio_driver > = { > >> .remove = zynq_gpio_remove, > >> }; > >> > >> -/** > >> - * zynq_gpio_init - Initial driver registration call > >> - * > >> - * Return: value from platform_driver_register > >> - */ > >> -static int __init zynq_gpio_init(void) -{ > >> - return platform_driver_register(&zynq_gpio_driver); > >> -} > >> -postcore_initcall(zynq_gpio_init); > > > > > > > > It’s not an equivalent. Have you tested on actual hardware? If no, there is > no go for this change. > > > > Yep, this has been like this since the initial introduction of this driver. > Unfortunately there's no documented reason so unless we can test it, it has > to stay this way. > I tested driver, functionality wise everything working fine. Based on below conversation, I moved driver to module driver. https://lore.kernel.org/patchwork/patch/818202/ Thanks Srinivas Neeli > Bartosz
WARNING: multiple messages have this Message-ID (diff)
From: Srinivas Neeli <sneeli@xilinx.com> To: Bartosz Golaszewski <bgolaszewski@baylibre.com>, Andy Shevchenko <andy.shevchenko@gmail.com> Cc: "linus.walleij@linaro.org" <linus.walleij@linaro.org>, Michal Simek <michals@xilinx.com>, Shubhrajyoti Datta <shubhraj@xilinx.com>, Srinivas Goud <sgoud@xilinx.com>, "linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, git <git@xilinx.com> Subject: RE: [PATCH 1/3] gpio: zynq: use module_platform_driver to simplify the code Date: Wed, 14 Apr 2021 14:45:55 +0000 [thread overview] Message-ID: <DM6PR02MB5386CADF5A10EF28A640AD76AF4E9@DM6PR02MB5386.namprd02.prod.outlook.com> (raw) In-Reply-To: <CAMpxmJW=HWf_NxGpfBkX=utgOTs4+6RtypxnKGtpuYnX=t8rGQ@mail.gmail.com> HI baratosz and Andy, > -----Original Message----- > From: Bartosz Golaszewski <bgolaszewski@baylibre.com> > Sent: Tuesday, April 13, 2021 4:14 PM > To: Andy Shevchenko <andy.shevchenko@gmail.com> > Cc: Srinivas Neeli <sneeli@xilinx.com>; linus.walleij@linaro.org; Michal Simek > <michals@xilinx.com>; Shubhrajyoti Datta <shubhraj@xilinx.com>; Srinivas > Goud <sgoud@xilinx.com>; linux-gpio@vger.kernel.org; linux-arm- > kernel@lists.infradead.org; linux-kernel@vger.kernel.org; git > <git@xilinx.com> > Subject: Re: [PATCH 1/3] gpio: zynq: use module_platform_driver to simplify > the code > > On Sat, Apr 10, 2021 at 12:08 AM Andy Shevchenko > <andy.shevchenko@gmail.com> wrote: > > > > > > > > On Friday, April 9, 2021, Srinivas Neeli <srinivas.neeli@xilinx.com> wrote: > >> > >> module_platform_driver() makes the code simpler by eliminating > >> boilerplate code. > >> > >> Signed-off-by: Srinivas Neeli <srinivas.neeli@xilinx.com> > >> --- > >> drivers/gpio/gpio-zynq.c | 17 +---------------- > >> 1 file changed, 1 insertion(+), 16 deletions(-) > >> > >> diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c > >> index 3521c1dc3ac0..bb1ac0c5cf26 100644 > >> --- a/drivers/gpio/gpio-zynq.c > >> +++ b/drivers/gpio/gpio-zynq.c > >> @@ -1020,22 +1020,7 @@ static struct platform_driver zynq_gpio_driver > = { > >> .remove = zynq_gpio_remove, > >> }; > >> > >> -/** > >> - * zynq_gpio_init - Initial driver registration call > >> - * > >> - * Return: value from platform_driver_register > >> - */ > >> -static int __init zynq_gpio_init(void) -{ > >> - return platform_driver_register(&zynq_gpio_driver); > >> -} > >> -postcore_initcall(zynq_gpio_init); > > > > > > > > It’s not an equivalent. Have you tested on actual hardware? If no, there is > no go for this change. > > > > Yep, this has been like this since the initial introduction of this driver. > Unfortunately there's no documented reason so unless we can test it, it has > to stay this way. > I tested driver, functionality wise everything working fine. Based on below conversation, I moved driver to module driver. https://lore.kernel.org/patchwork/patch/818202/ Thanks Srinivas Neeli > Bartosz _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-04-14 14:46 UTC|newest] Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-09 14:08 [PATCH 0/3] gpio: zynq: Update on gpio zynq driver Srinivas Neeli 2021-04-09 14:08 ` Srinivas Neeli 2021-04-09 14:08 ` [PATCH 1/3] gpio: zynq: use module_platform_driver to simplify the code Srinivas Neeli 2021-04-09 14:08 ` Srinivas Neeli [not found] ` <CAHp75Vddd6ygr4mJ9Z+SuGZmfLcgDLWLZaxby2XE2mX8War-qQ@mail.gmail.com> 2021-04-13 10:43 ` Bartosz Golaszewski 2021-04-13 10:43 ` Bartosz Golaszewski 2021-04-14 14:45 ` Srinivas Neeli [this message] 2021-04-14 14:45 ` Srinivas Neeli 2021-04-16 18:27 ` Bartosz Golaszewski 2021-04-16 18:27 ` Bartosz Golaszewski 2021-04-17 11:06 ` Andy Shevchenko 2021-04-17 11:06 ` Andy Shevchenko 2021-06-14 10:39 ` Srinivas Neeli 2021-06-14 10:39 ` Srinivas Neeli 2021-06-14 18:22 ` Bartosz Golaszewski 2021-06-14 18:22 ` Bartosz Golaszewski 2021-04-09 14:08 ` [PATCH 2/3] gpio: zynq: Check return value of pm_runtime_get_sync Srinivas Neeli 2021-04-09 14:08 ` Srinivas Neeli 2021-04-09 14:08 ` [PATCH 3/3] gpio: zynq: Check return value of irq_get_irq_data Srinivas Neeli 2021-04-09 14:08 ` Srinivas Neeli 2021-04-17 18:02 ` Deepak R Varma 2021-04-17 18:02 ` Deepak R Varma
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