Re: [PATCH] atmel_spi: support zero length transfer

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From: Marc Pignat
Date: Wednesday, February 20, 2008 - 10:55 am

Hi!

On Wednesday 20 February 2008, you wrote:
How long will be that delay?

If they are really users of that kind of thing, this should be fixed by adding
a "delay_us_before_xfer" field in the  struct spi_transfer.

Have you tested it? I think if you start a transfer with 0 len, the ENDRX bit
will never rise, however, I'm not sure about this.

Regards

Marc
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Messages in current thread:
[PATCH] atmel_spi: support zero length transfer, Atsushi Nemoto, (Wed Feb 20, 8:54 am)
Re: [PATCH] atmel_spi: support zero length transfer, Marc Pignat, (Wed Feb 20, 10:55 am)
Re: [PATCH] atmel_spi: support zero length transfer, Atsushi Nemoto, (Wed Feb 20, 6:52 pm)
Re: [PATCH] atmel_spi: support zero length transfer, Marc Pignat, (Thu Feb 21, 2:26 am)
Re: [PATCH] atmel_spi: support zero length transfer, David Brownell, (Thu Feb 21, 12:23 pm)
Re: [PATCH] atmel_spi: support zero length transfer, Marc Pignat, (Fri Feb 22, 2:30 am)
Re: [PATCH] atmel_spi: support zero length transfer, Atsushi Nemoto, (Fri Feb 22, 7:15 am)
Re: [spi-devel-general] [PATCH] atmel_spi: support zero , David Brownell, (Fri Feb 22, 7:37 pm)
Re: [PATCH] atmel_spi: support zero length transfer, David Brownell, (Fri Feb 22, 7:55 pm)
Re: [PATCH] atmel_spi: support zero length transfer, Marc Pignat, (Mon Feb 25, 1:15 am)