Re: [PATCH v7 4/4] gpiolib: Implement fast processing path in get/set array

2018-09-23 Thread Janusz Krzysztofik
On Friday, September 21, 2018 4:14:06 PM CEST Marek Szyprowski wrote: > Hi Janusz, > > > On 2018-09-21 12:51, Janusz Krzysztofik wrote: > > 2018-09-21 10:18 GMT+02:00, Marek Szyprowski : > >> On 2018-09-20 18:21, Janusz Krzysztofik wrote: > >>> On Thursday, September 20, 2018 5:48:22 PM CEST Janu

Re: [PATCH v7 4/4] gpiolib: Implement fast processing path in get/set array

2018-09-21 Thread Marek Szyprowski
Hi Janusz, On 2018-09-21 12:51, Janusz Krzysztofik wrote: > 2018-09-21 10:18 GMT+02:00, Marek Szyprowski : >> On 2018-09-20 18:21, Janusz Krzysztofik wrote: >>> On Thursday, September 20, 2018 5:48:22 PM CEST Janusz Krzysztofik wrote: On Thursday, September 20, 2018 12:11:48 PM CEST Marek Sz

Re: [PATCH v7 4/4] gpiolib: Implement fast processing path in get/set array

2018-09-21 Thread Janusz Krzysztofik
Hi Marek, 2018-09-21 12:51 GMT+02:00, Janusz Krzysztofik : > Hi Marek, > > 2018-09-21 10:18 GMT+02:00, Marek Szyprowski : >> Hi Janusz, >> >> On 2018-09-20 18:21, Janusz Krzysztofik wrote: >>> On Thursday, September 20, 2018 5:48:22 PM CEST Janusz Krzysztofik >>> wrote: On Thursday, September

Re: [PATCH v7 4/4] gpiolib: Implement fast processing path in get/set array

2018-09-21 Thread Janusz Krzysztofik
Hi Marek, 2018-09-21 10:18 GMT+02:00, Marek Szyprowski : > Hi Janusz, > > On 2018-09-20 18:21, Janusz Krzysztofik wrote: >> On Thursday, September 20, 2018 5:48:22 PM CEST Janusz Krzysztofik wrote: >>> On Thursday, September 20, 2018 12:11:48 PM CEST Marek Szyprowski wrote: On 2018-09-02 14:0

Re: [PATCH v7 4/4] gpiolib: Implement fast processing path in get/set array

2018-09-21 Thread Marek Szyprowski
Hi Janusz, On 2018-09-20 18:21, Janusz Krzysztofik wrote: > On Thursday, September 20, 2018 5:48:22 PM CEST Janusz Krzysztofik wrote: >> On Thursday, September 20, 2018 12:11:48 PM CEST Marek Szyprowski wrote: >>> On 2018-09-02 14:01, Janusz Krzysztofik wrote: Certain GPIO descriptor arrays r

Re: [PATCH v7 4/4] gpiolib: Implement fast processing path in get/set array

2018-09-20 Thread Dan Carpenter
On Thu, Sep 20, 2018 at 05:48:22PM +0200, Janusz Krzysztofik wrote: > diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c > index a53d17745d21..5bc3447949c9 100644 > --- a/drivers/gpio/gpiolib.c > +++ b/drivers/gpio/gpiolib.c > @@ -2880,7 +2880,7 @@ int gpiod_get_array_value_complex(bool r

Re: [PATCH v7 4/4] gpiolib: Implement fast processing path in get/set array

2018-09-20 Thread Janusz Krzysztofik
On Thursday, September 20, 2018 5:48:22 PM CEST Janusz Krzysztofik wrote: > On Thursday, September 20, 2018 12:11:48 PM CEST Marek Szyprowski wrote: > > Hi All, > > > > On 2018-09-02 14:01, Janusz Krzysztofik wrote: > > > Certain GPIO descriptor arrays returned by gpio_get_array() may contain > >

Re: [PATCH v7 4/4] gpiolib: Implement fast processing path in get/set array

2018-09-20 Thread Linus Walleij
On Thu, Sep 20, 2018 at 3:11 AM Marek Szyprowski wrote: > I've just noticed that this patch landed in today's linux-next. Sadly it > breaks booting of Exynos5250-based Samsung Snow Chromebook (ARM 32bit, > device-tree source arch/arm/boot/dts/exynos5250-snow.dts). Thanks for testing on this plat

Re: [PATCH v7 4/4] gpiolib: Implement fast processing path in get/set array

2018-09-20 Thread Janusz Krzysztofik
On Thursday, September 20, 2018 12:11:48 PM CEST Marek Szyprowski wrote: > Hi All, > > On 2018-09-02 14:01, Janusz Krzysztofik wrote: > > Certain GPIO descriptor arrays returned by gpio_get_array() may contain > > information on direct mapping of array members to pins of a single GPIO > > chip in

Re: [PATCH v7 4/4] gpiolib: Implement fast processing path in get/set array

2018-09-20 Thread Marek Szyprowski
Hi All, On 2018-09-02 14:01, Janusz Krzysztofik wrote: > Certain GPIO descriptor arrays returned by gpio_get_array() may contain > information on direct mapping of array members to pins of a single GPIO > chip in hardware order. In such cases, bitmaps of values can be passed > directly from/to th