This patch refactors debugging code that dumps LLI entries by moving it into separate function, which is stubbed when VERBOSE_DEBUG is not selected. This allows us to get rid of the ugly ifdef from the body of pl08x_fill_llis_for_desc().
No functional change is introduced by this patch.
Signed-off-by: Tomasz Figa tomasz.figa@gmail.com --- drivers/dma/amba-pl08x.c | 41 ++++++++++++++++++++++++----------------- 1 file changed, 24 insertions(+), 17 deletions(-)
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c index d3399c2..1fa05d6 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -814,6 +814,29 @@ static inline void prep_byte_width_lli(struct pl08x_driver_data *pl08x, (*total_bytes) += len; }
+#ifdef VERBOSE_DEBUG +static void pl08x_dump_lli(struct pl08x_driver_data *pl08x, + const u32 *llis_va, int num_llis) +{ + int i; + + dev_vdbg(&pl08x->adev->dev, + "%-3s %-9s %-10s %-10s %-10s %s\n", + "lli", "", "csrc", "cdst", "clli", "cctl"); + for (i = 0; i < num_llis; i++) { + dev_vdbg(&pl08x->adev->dev, + "%3d @%p: 0x%08x 0x%08x 0x%08x 0x%08x\n", + i, llis_va, llis_va[PL080_LLI_SRC], + llis_va[PL080_LLI_DST], llis_va[PL080_LLI_LLI], + llis_va[PL080_LLI_CCTL]); + llis_va += pl08x->lli_words; + } +} +#else +static inline void pl08x_dump_lli(struct pl08x_driver_data *pl08x, + const u32 *llis_va, int num_llis) {} +#endif + /* * This fills in the table of LLIs for the transfer descriptor * Note that we assume we never have to change the burst sizes @@ -1033,23 +1056,7 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x, /* The final LLI element shall also fire an interrupt. */ last_lli[PL080_LLI_CCTL] |= PL080_CONTROL_TC_IRQ_EN;
-#ifdef VERBOSE_DEBUG - { - int i; - - dev_vdbg(&pl08x->adev->dev, - "%-3s %-9s %-10s %-10s %-10s %s\n", - "lli", "", "csrc", "cdst", "clli", "cctl"); - for (i = 0; i < num_llis; i++) { - dev_vdbg(&pl08x->adev->dev, - "%3d @%p: 0x%08x 0x%08x 0x%08x 0x%08x\n", - i, llis_va, llis_va[PL080_LLI_SRC], - llis_va[PL080_LLI_DST], llis_va[PL080_LLI_LLI], - llis_va[PL080_LLI_CCTL]); - llis_va += pl08x->lli_words; - } - } -#endif + pl08x_dump_lli(pl08x, llis_va, num_llis);
return num_llis; }