[PATCH] fsldma: Remove CONFIG_FSL_DMA_SELFTEST, keep fsl_dma_self_test() running always.

From: Zhang Wei
Date: Thu Mar 20 2008 - 02:44:15 EST


Always enabling the fsl_dma_self_test() to ensure the DMA controller
should works well after the driver probed.

Signed-off-by: Zhang Wei <wei.zhang@xxxxxxxxxxxxx>
---
drivers/dma/Kconfig | 8 --------
drivers/dma/fsldma.c | 13 +++----------
2 files changed, 3 insertions(+), 18 deletions(-)

diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 27340a7..6239c3d 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -46,14 +46,6 @@ config FSL_DMA
MPC8560/40, MPC8555, MPC8548 and MPC8641 processors.
The MPC8349, MPC8360 is also supported.

-config FSL_DMA_SELFTEST
- bool "Enable the self test for each DMA channel"
- depends on FSL_DMA
- default y
- ---help---
- Enable the self test for each DMA channel. A self test will be
- performed after the channel probed to ensure the DMA works well.
-
config DMA_ENGINE
bool

diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 7269230..07de0cf 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -776,15 +776,13 @@ static void dma_do_tasklet(unsigned long data)
fsl_chan_ld_cleanup(fsl_chan);
}

-#ifdef FSL_DMA_CALLBACKTEST
-static void fsl_dma_callback_test(struct fsl_dma_chan *fsl_chan)
+static void fsl_dma_callback_test(void *param)
{
+ struct fsl_dma_chan *fsl_chan = param;
if (fsl_chan)
- dev_info(fsl_chan->dev, "selftest: callback is ok!\n");
+ dev_dbg(fsl_chan->dev, "selftest: callback is ok!\n");
}
-#endif

-#ifdef CONFIG_FSL_DMA_SELFTEST
static int fsl_dma_self_test(struct fsl_dma_chan *fsl_chan)
{
struct dma_chan *chan;
@@ -875,13 +873,11 @@ static int fsl_dma_self_test(struct fsl_dma_chan *fsl_chan)
cookie = fsl_dma_tx_submit(tx3);
cookie = fsl_dma_tx_submit(tx2);

-#ifdef FSL_DMA_CALLBACKTEST
if (dma_has_cap(DMA_INTERRUPT, ((struct fsl_dma_device *)
dev_get_drvdata(fsl_chan->dev->parent))->common.cap_mask)) {
tx3->callback = fsl_dma_callback_test;
tx3->callback_param = fsl_chan;
}
-#endif
fsl_dma_memcpy_issue_pending(chan);
msleep(2);

@@ -906,7 +902,6 @@ out:
kfree(src);
return err;
}
-#endif

static int __devinit of_fsl_dma_chan_probe(struct of_device *dev,
const struct of_device_id *match)
@@ -997,11 +992,9 @@ static int __devinit of_fsl_dma_chan_probe(struct of_device *dev,
}
}

-#ifdef CONFIG_FSL_DMA_SELFTEST
err = fsl_dma_self_test(new_fsl_chan);
if (err)
goto err;
-#endif

dev_info(&dev->dev, "#%d (%s), irq %d\n", new_fsl_chan->id,
match->compatible, new_fsl_chan->irq);
--
1.5.4

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