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 08/16] Blackfin SPI Driver: add a few more debug messages in useful places
Date: Thu, 20 Nov 2008 12:35:29 -0800 [thread overview]
Message-ID: <200811201235.29955.david-b@pacbell.net> (raw)
In-Reply-To: <1226994760-4301-9-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>
>
> Signed-off-by: Mike Frysinger <vapier.adi-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Signed-off-by: Bryan Wu <cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Grr. I'm tired of acking with a "please provide a real
patch comment". Consider all the other patches in this
series that don't have patch comments as getting NAKs,
for that reason.
> ---
> drivers/spi/spi_bfin5xx.c | 12 ++++++++++--
> 1 files changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c
> index a7c8976..e293d19 100644
> --- a/drivers/spi/spi_bfin5xx.c
> +++ b/drivers/spi/spi_bfin5xx.c
> @@ -559,9 +559,13 @@ static irqreturn_t dma_irq_handler(int irq, void *dev_id)
> struct driver_data *drv_data = dev_id;
> struct chip_data *chip = drv_data->cur_chip;
> struct spi_message *msg = drv_data->cur_msg;
> + unsigned short dmastat = get_dma_curr_irqstat(drv_data->dma_channel);
> u16 spistat = read_STAT(drv_data);
>
> - dev_dbg(&drv_data->pdev->dev, "in dma_irq_handler\n");
> + dev_dbg(&drv_data->pdev->dev,
> + "in dma_irq_handler dmastat:0x%x spistat:0x%x\n",
> + dmastat, spistat);
> +
> clear_dma_irqstat(drv_data->dma_channel);
>
> /* Wait for DMA to complete */
> @@ -631,6 +635,7 @@ static void pump_transfers(unsigned long data)
>
> /* Handle for abort */
> if (message->state == ERROR_STATE) {
> + dev_dbg(&drv_data->pdev->dev, "transfer: we've hit an error\n");
> message->status = -EIO;
> giveback(drv_data);
> return;
> @@ -638,6 +643,7 @@ static void pump_transfers(unsigned long data)
>
> /* Handle end of message */
> if (message->state == DONE_STATE) {
> + dev_dbg(&drv_data->pdev->dev, "transfer: all done!\n");
> message->status = 0;
> giveback(drv_data);
> return;
> @@ -645,6 +651,7 @@ static void pump_transfers(unsigned long data)
>
> /* Delay if requested at end of transfer */
> if (message->state == RUNNING_STATE) {
> + dev_dbg(&drv_data->pdev->dev, "transfer: still running ...\n");
> previous = list_entry(transfer->transfer_list.prev,
> struct spi_transfer, transfer_list);
> if (previous->delay_usecs)
> @@ -805,7 +812,8 @@ static void pump_transfers(unsigned long data)
> dma_config = (RESTART | dma_width | DI_EN);
> if (drv_data->rx != NULL) {
> /* set transfer mode, and enable SPI */
> - dev_dbg(&drv_data->pdev->dev, "doing DMA in.\n");
> + dev_dbg(&drv_data->pdev->dev, "doing DMA in to %p (size %zx)\n",
> + drv_data->rx, drv_data->len_in_bytes);
>
> /* invalidate caches, if needed */
> if (bfin_addr_dcachable((unsigned long) drv_data->rx))
> --
> 1.5.6.3
>
>
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next prev parent reply other threads:[~2008-11-20 20:35 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
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 [this message]
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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