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Subject[PATCH] Fix fsldma.c warning messages when it's compiled under PPC64.
Date
There are warning messages reported by Stephen Rothwell with
ARCH=powerpc allmodconfig build:

drivers/dma/fsldma.c: In function 'fsl_dma_prep_memcpy':
drivers/dma/fsldma.c:439: warning: comparison of distinct pointer types
lacks a cast
drivers/dma/fsldma.c: In function 'fsl_chan_xfer_ld_queue':
drivers/dma/fsldma.c:584: warning: format '%016llx' expects type 'long long
unsigned int', but argument 4 has type 'dma_addr_t'
drivers/dma/fsldma.c: In function 'fsl_dma_chan_do_interrupt':
drivers/dma/fsldma.c:668: warning: format '%x' expects type 'unsigned int',
but argument 5 has type 'dma_addr_t'
drivers/dma/fsldma.c:684: warning: format '%016llx' expects type 'long long
unsigned int', but argument 4 has type 'dma_addr_t'
drivers/dma/fsldma.c:684: warning: format '%016llx' expects type 'long long
unsigned int', but argument 5 has type 'dma_addr_t'
drivers/dma/fsldma.c:701: warning: format '%02x' expects type 'unsigned
int', but argument 4 has type 'dma_addr_t'
drivers/dma/fsldma.c: In function 'fsl_dma_self_test':
drivers/dma/fsldma.c:840: warning: format '%d' expects type 'int', but
argument 5 has type 'size_t'
drivers/dma/fsldma.c: In function 'of_fsl_dma_probe':
drivers/dma/fsldma.c:1010: warning: format '%08x' expects type 'unsigned
int', but argument 5 has type 'resource_size_t'

This patch fixed the above warning messages.

Signed-off-by: Zhang Wei <wei.zhang@freescale.com>
---
drivers/dma/fsldma.c | 29 ++++++++++++++++-------------
1 files changed, 16 insertions(+), 13 deletions(-)

diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index cc9a681..5dfedf3 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -57,12 +57,12 @@ static void dma_init(struct fsl_dma_chan *fsl_chan)

}

-static void set_sr(struct fsl_dma_chan *fsl_chan, dma_addr_t val)
+static void set_sr(struct fsl_dma_chan *fsl_chan, u32 val)
{
DMA_OUT(fsl_chan, &fsl_chan->reg_base->sr, val, 32);
}

-static dma_addr_t get_sr(struct fsl_dma_chan *fsl_chan)
+static u32 get_sr(struct fsl_dma_chan *fsl_chan)
{
return DMA_IN(fsl_chan, &fsl_chan->reg_base->sr, 32);
}
@@ -436,7 +436,7 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy(
dev_dbg(fsl_chan->dev, "new link desc alloc %p\n", new);
#endif

- copy = min(len, FSL_DMA_BCR_MAX_CNT);
+ copy = min(len, (size_t)FSL_DMA_BCR_MAX_CNT);

set_desc_cnt(fsl_chan, &new->hw, copy);
set_desc_src(fsl_chan, &new->hw, dma_src);
@@ -581,8 +581,8 @@ static void fsl_chan_xfer_ld_queue(struct fsl_dma_chan *fsl_chan)
if (ld_node != &fsl_chan->ld_queue) {
/* Get the ld start address from ld_queue */
next_dest_addr = to_fsl_desc(ld_node)->async_tx.phys;
- dev_dbg(fsl_chan->dev, "xfer LDs staring from 0x%016llx\n",
- (u64)next_dest_addr);
+ dev_dbg(fsl_chan->dev, "xfer LDs staring from %p\n",
+ (void *)next_dest_addr);
set_cdar(fsl_chan, next_dest_addr);
dma_start(fsl_chan);
} else {
@@ -662,7 +662,7 @@ static enum dma_status fsl_dma_is_complete(struct dma_chan *chan,
static irqreturn_t fsl_dma_chan_do_interrupt(int irq, void *data)
{
struct fsl_dma_chan *fsl_chan = (struct fsl_dma_chan *)data;
- dma_addr_t stat;
+ u32 stat;

stat = get_sr(fsl_chan);
dev_dbg(fsl_chan->dev, "event: channel %d, stat = 0x%x\n",
@@ -681,9 +681,8 @@ static irqreturn_t fsl_dma_chan_do_interrupt(int irq, void *data)
*/
if (stat & FSL_DMA_SR_EOSI) {
dev_dbg(fsl_chan->dev, "event: End-of-segments INT\n");
- dev_dbg(fsl_chan->dev, "event: clndar 0x%016llx, "
- "nlndar 0x%016llx\n", (u64)get_cdar(fsl_chan),
- (u64)get_ndar(fsl_chan));
+ dev_dbg(fsl_chan->dev, "event: clndar %p, nlndar %p\n",
+ (void *)get_cdar(fsl_chan), (void *)get_ndar(fsl_chan));
stat &= ~FSL_DMA_SR_EOSI;
}

@@ -726,12 +725,15 @@ 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)
{
if (fsl_chan)
dev_info(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;
@@ -837,9 +839,9 @@ static int fsl_dma_self_test(struct fsl_dma_chan *fsl_chan)
if (err) {
for (i = 0; (*(src + i) == *(dest + i)) && (i < test_size);
i++);
- dev_err(fsl_chan->dev, "selftest: Test failed, data %d/%d is "
+ dev_err(fsl_chan->dev, "selftest: Test failed, data %d/%ld is "
"error! src 0x%x, dest 0x%x\n",
- i, test_size, *(src + i), *(dest + i));
+ i, (long)test_size, *(src + i), *(dest + i));
}

free_resources:
@@ -848,6 +850,7 @@ out:
kfree(src);
return err;
}
+#endif

static int __devinit of_fsl_dma_chan_probe(struct of_device *dev,
const struct of_device_id *match)
@@ -1008,8 +1011,8 @@ static int __devinit of_fsl_dma_probe(struct of_device *dev,
}

dev_info(&dev->dev, "Probe the Freescale DMA driver for %s "
- "controller at 0x%08x...\n",
- match->compatible, fdev->reg.start);
+ "controller at %p...\n",
+ match->compatible, (void *)fdev->reg.start);
fdev->reg_base = ioremap(fdev->reg.start, fdev->reg.end
- fdev->reg.start + 1);

--
1.5.4


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