From: David Brownell <david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
To: Bryan Wu <cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Mike Frysinger
<vapier.adi-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH 04/16] Blackfin SPI Driver: use len_in_bytes when we care about the number of bytes transferred
Date: Thu, 20 Nov 2008 12:25:28 -0800 [thread overview]
Message-ID: <200811201225.28758.david-b@pacbell.net> (raw)
In-Reply-To: <1226994760-4301-5-git-send-email-cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
On Monday 17 November 2008, Bryan Wu wrote:
> From: Mike Frysinger <vapier.adi-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
>
> Use len_in_bytes when we care about the number of bytes transferred
> rather than the number of spi transactions. (this value will be the
> same for 8bit transfers, but not any other sizes)
>
> Signed-off-by: Mike Frysinger <vapier.adi-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Signed-off-by: Bryan Wu <cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Acked-by: David Brownell <dbrownell-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
> ---
> drivers/spi/spi_bfin5xx.c | 6 +++---
> 1 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c
> index 6c5671e..cc415e8 100644
> --- a/drivers/spi/spi_bfin5xx.c
> +++ b/drivers/spi/spi_bfin5xx.c
> @@ -803,7 +803,7 @@ static void pump_transfers(unsigned long data)
> if (bfin_addr_dcachable((unsigned long) drv_data->rx))
> invalidate_dcache_range((unsigned long) drv_data->rx,
> (unsigned long) (drv_data->rx +
> - drv_data->len));
> + drv_data->len_in_bytes));
>
> /* clear tx reg soformer data is not shifted out */
> write_TDBR(drv_data, 0xFFFF);
> @@ -829,7 +829,7 @@ static void pump_transfers(unsigned long data)
> if (bfin_addr_dcachable((unsigned long) drv_data->tx))
> flush_dcache_range((unsigned long) drv_data->tx,
> (unsigned long) (drv_data->tx +
> - drv_data->len));
> + drv_data->len_in_bytes));
>
> /* start dma */
> dma_enable_irq(drv_data->dma_channel);
> @@ -892,7 +892,7 @@ static void pump_transfers(unsigned long data)
> message->state = ERROR_STATE;
> } else {
> /* Update total byte transfered */
> - message->actual_length += drv_data->len;
> + message->actual_length += drv_data->len_in_bytes;
>
> /* Move to next transfer of this msg */
> message->state = next_transfer(drv_data);
> --
> 1.5.6.3
>
>
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next prev parent reply other threads:[~2008-11-20 20:25 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-18 7:52 (no subject) Bryan Wu
[not found] ` <1226994760-4301-1-git-send-email-cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2008-11-18 7:52 ` [PATCH 01/16] Blackfin SPI Driver: ensure cache coherency before doing DMA Bryan Wu
[not found] ` <1226994760-4301-2-git-send-email-cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2008-11-20 20:24 ` David Brownell
[not found] ` <200811201224.15493.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2008-11-20 20:58 ` Mike Frysinger
[not found] ` <8bd0f97a0811201258j14dfcf46vce1655632bb12e2-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-11-20 21:47 ` David Brownell
[not found] ` <200811201347.46355.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2008-11-20 21:57 ` Mike Frysinger
[not found] ` <8bd0f97a0811201357g1ffeb7d3pfad6e178fb20050e-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-11-20 22:05 ` David Brownell
[not found] ` <200811201405.06811.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2009-02-05 9:30 ` Bryan Wu
2009-02-05 23:51 ` David Brownell
[not found] ` <200902051551.14146.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2009-02-06 2:31 ` Bryan Wu
2008-11-18 7:52 ` [PATCH 02/16] Blackfin SPI Driver: Fix erroneous SPI Clock divisor calculation Bryan Wu
[not found] ` <1226994760-4301-3-git-send-email-cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2008-11-20 20:25 ` David Brownell
2008-11-18 7:52 ` [PATCH 03/16] Blackfin SPI Driver: move bfin_addr_dcachable() and friends into the cacheflush header where it belongs Bryan Wu
[not found] ` <1226994760-4301-4-git-send-email-cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2008-11-20 20:26 ` David Brownell
2008-11-18 7:52 ` [PATCH 04/16] Blackfin SPI Driver: use len_in_bytes when we care about the number of bytes transferred Bryan Wu
[not found] ` <1226994760-4301-5-git-send-email-cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2008-11-20 20:25 ` David Brownell [this message]
2008-11-18 7:52 ` [PATCH 05/16] Blackfin SPI Driver: pass DMA overflow error to the higher level Bryan Wu
[not found] ` <1226994760-4301-6-git-send-email-cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2008-11-20 20:29 ` David Brownell
2008-11-18 7:52 ` [PATCH 06/16] Blackfin SPI Driver: unify duplicated code in dma read/write paths Bryan Wu
[not found] ` <1226994760-4301-7-git-send-email-cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2008-11-20 20:32 ` David Brownell
2008-11-18 7:52 ` [PATCH 07/16] Blackfin SPI Driver: drop bogus cast and touchup dma label Bryan Wu
[not found] ` <1226994760-4301-8-git-send-email-cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2008-11-20 20:34 ` David Brownell
2008-11-18 7:52 ` [PATCH 08/16] Blackfin SPI Driver: add a few more debug messages in useful places Bryan Wu
[not found] ` <1226994760-4301-9-git-send-email-cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2008-11-20 20:35 ` David Brownell
2008-11-18 7:52 ` [PATCH 09/16] Blackfin SPI Driver: do not check for SPI errors if DMA itself did not flag any Bryan Wu
2008-11-18 7:52 ` [PATCH 10/16] Blackfin SPI Driver: use the properl BIT_CTL_xxx defines Bryan Wu
[not found] ` <1226994760-4301-11-git-send-email-cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2008-11-20 20:37 ` David Brownell
2008-11-18 7:52 ` [PATCH 11/16] Blackfin SPI Driver: remove duplicated MAX_SPI_SSEL and remove unnecessary array size Bryan Wu
2008-11-18 7:52 ` [PATCH 12/16] Blackfin SPI Driver: get dma working for SPI flashes Bryan Wu
[not found] ` <1226994760-4301-13-git-send-email-cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2008-11-20 20:43 ` David Brownell
2008-11-18 7:52 ` [PATCH 13/16] Blackfin SPI Driver: add timeout while waiting for SPIF in dma irq handler Bryan Wu
2008-11-18 7:52 ` [PATCH 14/16] Blackfin SPI Driver: tweak magic spi dma sequence to get it working on BF54x Bryan Wu
2008-11-18 7:52 ` [PATCH 15/16] Blackfin SPI Driver: fix bug - spi controller driver does not assert/deassert CS correctly Bryan Wu
[not found] ` <1226994760-4301-16-git-send-email-cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2008-11-20 20:47 ` David Brownell
2008-11-18 7:52 ` [PATCH 16/16] Blackfin SPI Driver: fix bug - correct usage of struct spi_transfer.cs_change Bryan Wu
[not found] ` <1226994760-4301-17-git-send-email-cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2008-11-20 20:51 ` David Brownell
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