Re: [PATCH 05/15] omap: hsmmc: add virtual card detect support

2010-07-06 Thread Ohad Ben-Cohen
Hi Nicolas, On Tue, Jul 6, 2010 at 4:45 AM, Nicolas Pitre n...@fluxnic.net wrote: On Tue, 6 Jul 2010, Ohad Ben-Cohen wrote: From: Ohad Ben-Cohen oh...@ti.com Add support for software emulation of card detect events. This is required for specific controllers that are hard wired with

Re: [PATCH 05/15] omap: hsmmc: add virtual card detect support

2010-07-06 Thread Roger Quadros
On 07/06/2010 01:22 PM, ext Ohad Ben-Cohen wrote: Hi Nicolas, On Tue, Jul 6, 2010 at 4:45 AM, Nicolas Pitren...@fluxnic.net wrote: On Tue, 6 Jul 2010, Ohad Ben-Cohen wrote: From: Ohad Ben-Cohenoh...@ti.com Add support for software emulation of card detect events. This is required for

Re: [PATCH 05/15] omap: hsmmc: add virtual card detect support

2010-07-06 Thread Ohad Ben-Cohen
On Tue, Jul 6, 2010 at 1:22 PM, Ohad Ben-Cohen o...@wizery.com wrote: Note: the wl1271 device does support standard card detection, but AFAIK there's a limitation to use that with the specific omap controller the device is hardwired to. I will try to get more info about that, but probably

Re: [PATCH 05/15] omap: hsmmc: add virtual card detect support

2010-07-06 Thread Ohad Ben-Cohen
On Tue, Jul 6, 2010 at 2:02 PM, Roger Quadros roger.quad...@nokia.com wrote: On 07/06/2010 01:22 PM, ext Ohad Ben-Cohen wrote: We prefer not to power up the chip as early as boot time; instead, we Why? Let's say you boot your device but never use WLAN. In this scenario, we prefer the wl1271

Re: [PATCH 05/15] omap: hsmmc: add virtual card detect support

2010-07-06 Thread Ohad Ben-Cohen
On Tue, Jul 6, 2010 at 3:39 PM, Roger Quadros roger.quad...@nokia.com wrote: Just to clarify, is the wl1271 device always powered on the board? Yes. And this GPIO power enable (OMAP_ZOOM_WLAN_PMENA_GPIO) is used to gate this supply internally? Yes. It's a digital input that the chip does not

RE: [PATCH 05/15] omap: hsmmc: add virtual card detect support

2010-07-06 Thread Madhusudhan
; Chikkature Rajashekar Madhusudhan; Luciano Coelho; Andrew Morton; San Mehat; Pandita, Vikram Subject: Re: [PATCH 05/15] omap: hsmmc: add virtual card detect support On Tue, Jul 6, 2010 at 1:22 PM, Ohad Ben-Cohen o...@wizery.com wrote: Note: the wl1271 device does support standard card detection

RE: [PATCH 05/15] omap: hsmmc: add virtual card detect support

2010-07-06 Thread Nicolas Pitre
...@lists.infradead.org; li...@arm.linux.org.uk; Chikkature Rajashekar Madhusudhan; Luciano Coelho; Andrew Morton; San Mehat; Pandita, Vikram Subject: Re: [PATCH 05/15] omap: hsmmc: add virtual card detect support On Tue, Jul 6, 2010 at 1:22 PM, Ohad Ben-Cohen o...@wizery.com wrote: Note

[PATCH 05/15] omap: hsmmc: add virtual card detect support

2010-07-05 Thread Ohad Ben-Cohen
From: Ohad Ben-Cohen oh...@ti.com Add support for software emulation of card detect events. This is required for specific controllers that are hard wired with embedded SDIO devices (such as TI's wl1271 WLAN device). Board-specific configuration is required to enable this software card detect

Re: [PATCH 05/15] omap: hsmmc: add virtual card detect support

2010-07-05 Thread Nicolas Pitre
On Tue, 6 Jul 2010, Ohad Ben-Cohen wrote: From: Ohad Ben-Cohen oh...@ti.com Add support for software emulation of card detect events. This is required for specific controllers that are hard wired with embedded SDIO devices (such as TI's wl1271 WLAN device). Why? Many instances of