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Groups > linux.kernel > #1627905
| From | Andrew Lunn <andrew@lunn.ch> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v3 net-next] mdio_bus: Issue GPIO RESET to PHYs. |
| Date | 2017-04-21 03:40 +0200 |
| Message-ID | <tyvId-7Y8-5@gated-at.bofh.it> (permalink) |
| References | <tsODU-f3-17@gated-at.bofh.it> <txU5X-1Gt-7@gated-at.bofh.it> <tyfN8-6Do-9@gated-at.bofh.it> <tyl6a-1yM-35@gated-at.bofh.it> <tyvyx-7Vc-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
> > + gpiod_set_value_cansleep(gpiod, 1); > > + udelay(bus->reset_delay_us); > > + gpiod_set_value_cansleep(gpiod, 0); > > Does that work even if the polarity of the reset line is active low? Hi Florian Yes, it does. The gpiod_ API takes care of that, if you set the flag GPIO_ACTIVE_LOW in the device tree blob. This is one of the improvements over the gpio_ API. Andrew
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[PATCH] mdio_bus: Issue GPIO RESET to PHYs. Roger Quadros <rogerq@ti.com> - 2017-04-19 11:30 +0200
Re: [PATCH] mdio_bus: Issue GPIO RESET to PHYs. Andrew Lunn <andrew@lunn.ch> - 2017-04-19 13:50 +0200
Re: [PATCH] mdio_bus: Issue GPIO RESET to PHYs. Roger Quadros <rogerq@ti.com> - 2017-04-19 14:00 +0200
Re: [PATCH] mdio_bus: Issue GPIO RESET to PHYs. Andrew Lunn <andrew@lunn.ch> - 2017-04-19 15:40 +0200
Re: [PATCH] mdio_bus: Issue GPIO RESET to PHYs. Roger Quadros <rogerq@ti.com> - 2017-04-20 10:00 +0200
[PATCH v2] mdio_bus: Issue GPIO RESET to PHYs. Roger Quadros <rogerq@ti.com> - 2017-04-20 10:40 +0200
Re: [PATCH v2] mdio_bus: Issue GPIO RESET to PHYs. Andrew Lunn <andrew@lunn.ch> - 2017-04-20 15:20 +0200
Re: [PATCH v2] mdio_bus: Issue GPIO RESET to PHYs. Roger Quadros <rogerq@ti.com> - 2017-04-20 16:00 +0200
[PATCH v3 net-next] mdio_bus: Issue GPIO RESET to PHYs. Roger Quadros <rogerq@ti.com> - 2017-04-20 16:20 +0200
Re: [PATCH v3 net-next] mdio_bus: Issue GPIO RESET to PHYs. Andrew Lunn <andrew@lunn.ch> - 2017-04-21 03:20 +0200
Re: [PATCH v3 net-next] mdio_bus: Issue GPIO RESET to PHYs. Florian Fainelli <f.fainelli@gmail.com> - 2017-04-21 03:30 +0200
Re: [PATCH v3 net-next] mdio_bus: Issue GPIO RESET to PHYs. Andrew Lunn <andrew@lunn.ch> - 2017-04-21 03:40 +0200
Re: [PATCH v3 net-next] mdio_bus: Issue GPIO RESET to PHYs. Roger Quadros <rogerq@ti.com> - 2017-04-21 10:10 +0200
[PATCH v4 net-next] mdio_bus: Issue GPIO RESET to PHYs. Roger Quadros <rogerq@ti.com> - 2017-04-21 15:20 +0200
Re: [PATCH v4 net-next] mdio_bus: Issue GPIO RESET to PHYs. Lars-Peter Clausen <lars@metafoo.de> - 2017-04-21 15:40 +0200
Re: [PATCH v4 net-next] mdio_bus: Issue GPIO RESET to PHYs. Andrew Lunn <andrew@lunn.ch> - 2017-04-24 01:40 +0200
Re: [PATCH v4 net-next] mdio_bus: Issue GPIO RESET to PHYs. Roger Quadros <rogerq@ti.com> - 2017-04-24 11:10 +0200
Re: [PATCH v4 net-next] mdio_bus: Issue GPIO RESET to PHYs. Florian Fainelli <f.fainelli@gmail.com> - 2017-04-24 18:40 +0200
Re: [PATCH v4 net-next] mdio_bus: Issue GPIO RESET to PHYs. David Miller <davem@davemloft.net> - 2017-04-24 18:50 +0200
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