Re: MMC Driver RFC

2005-01-17 Thread Pierre Ossman
Richard Purdie wrote: Pierre Ossman: I, personally, would really like to see SD support included in the main kernel. But I can also fully understand if that's not currently possible. I think the way forward is for someone to propose a patch. Your code sounds the most advanced but Ian or myself m

Re: MMC Driver RFC

2005-01-17 Thread Richard Purdie
Pierre Ossman: I fail to see what this delay does. A few lines further down you have a mmc_delay which you have removed. That delay was added just to give slow cards enough time to power up. I hadn't realised that delay had been added. It wasn't present in the older code I was working against an

Re: MMC Driver RFC

2005-01-16 Thread Pierre Ossman
Richard Purdie wrote: For reference, I got the 512MB SD card working by adding an mdelay(3) into the middle of mmc_send_op_cond(). Anything shorter and it marks the card as bad... I fail to see what this delay does. A few lines further down you have a mmc_delay which you have removed. That delay

Re: MMC Driver RFC

2005-01-16 Thread Alan Cox
On Sul, 2005-01-16 at 23:17, Richard Purdie wrote: > On the subject of patents, the whole idea behind SD is that there aren't > patents as for a patent to exist, we'd have some publicly available > information on how SD works. We're not breaking any copyrights as I nobody > involved with this co

Re: MMC Driver RFC

2005-01-16 Thread Richard Purdie
Russell King: > 2. Card Initialisation Problems > > One of my cards works fine. The other works when I enable debug and > doesn't when I don't. I suspect the delay while it does a printk gives > something time to happen that doesn't normally when running at full > speed! Different cards behave

Re: MMC Driver RFC

2005-01-16 Thread Pierre Ossman
Ian Molton wrote: The toshiba controller appears to want to be told when an ACMD is issued, compared to a normal CMD. Seems very strange since there's no change in what goes over the wire. I think the controller (for some odd reason) keeps some extra internal state. Have you tried using it withou

Re: MMC Driver RFC

2005-01-16 Thread Ian Molton
Pierre Ossman wrote: Ian Molton wrote: Afraid everything gets routed to the same account in the end anyway. I checked the logs and the problem is that your mail server has a HELO that differs from its IP I've sent mail to my ISP re that. cheers. I've had the same idea. But I think it will be dif

Re: MMC Driver RFC

2005-01-16 Thread Pierre Ossman
Ian Molton wrote: I've been getting errors replying to you but had no alternative address to use. perhaps you could mail me from another account ? Afraid everything gets routed to the same account in the end anyway. I checked the logs and the problem is that your mail server has a HELO that dif