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From: David Brownell <david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
To: Ned Forrester <nforrester-/d+BM93fTQY@public.gmane.org>
Cc: spi-devel
	<spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
	"J. Scott Merritt" <merrij3-IL7dBOYR4Vg@public.gmane.org>,
	Stephen Street
	<stephen-nl6u4wocdmy51APUEpUfAkEOCMrvLtNR@public.gmane.org>
Subject: Re: [Patch 1/1] spi: Fix pxa2xx_spi.c chip select sequence error
Date: Wed, 20 Feb 2008 14:45:58 -0800	[thread overview]
Message-ID: <200802201445.58772.david-b@pacbell.net> (raw)
In-Reply-To: <47B90BD7.4000906-/d+BM93fTQY@public.gmane.org>

On Sunday 17 February 2008, Ned Forrester wrote:
> +
> +               /* FIXME, need to handle cs polarity,
> +                * this driver uses struct pxa2xx_spi_chip.cs_control to
> +                * specify a CS handling function, and it ignores most
> +                * struct spi_device.mode[s], including SPI_CS_HIGH */
> +               drv_data->cs_control(PXA2XX_CS_ASSERT);
> +
> +               /* after chip select, release the data by enabling service
> +                * requests and interrupts, without changing any mode bits */
> +               write_SSCR1(cr1, reg);

This code is duplicated below ...

>         } else {
>                 if (drv_data->ssp_type != PXA25x_SSP)
>                         write_SSTO(chip->timeout, reg);

... right here:

> +
> +               /* FIXME, need to handle cs polarity,
> +                * this driver uses struct pxa2xx_spi_chip.cs_control to
> +                * specify a CS handling function, and it ignores most
> +                * struct spi_device.mode[s], including SPI_CS_HIGH */
> +               drv_data->cs_control(PXA2XX_CS_ASSERT);
> +
> +               /* after chip select, release the data by enabling service
> +                * requests and interrupts, without changing any mode bits */
>                 write_SSCR1(cr1, reg);

So it properly belongs on the other side of this bracket:

>         }

If you fix that, I'll forward this for a 2.6.25 merge.

- Dave


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  parent reply	other threads:[~2008-02-20 22:45 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-18  4:38 [Patch 1/1] spi: Fix pxa2xx_spi.c chip select sequence error Ned Forrester
     [not found] ` <47B90BD7.4000906-/d+BM93fTQY@public.gmane.org>
2008-02-20 22:45   ` David Brownell [this message]
     [not found]     ` <200802201445.58772.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2008-02-20 23:06       ` Ned Forrester
  -- strict thread matches above, loose matches on Subject: below --
2008-02-20 23:47 Ned Forrester

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