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Subject[PATCH v2 01/10] DMA, CMA: clean-up log message
Date
We don't need explicit 'CMA:' prefix, since we already define prefix
'cma:' in pr_fmt. So remove it.

And, some logs print function name and others doesn't. This looks
bad to me, so I unify log format to print function name consistently.

Lastly, I add one more debug log on cma_activate_area().

Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>

diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c
index 83969f8..bd0bb81 100644
--- a/drivers/base/dma-contiguous.c
+++ b/drivers/base/dma-contiguous.c
@@ -144,7 +144,7 @@ void __init dma_contiguous_reserve(phys_addr_t limit)
}

if (selected_size && !dma_contiguous_default_area) {
- pr_debug("%s: reserving %ld MiB for global area\n", __func__,
+ pr_debug("%s(): reserving %ld MiB for global area\n", __func__,
(unsigned long)selected_size / SZ_1M);

dma_contiguous_reserve_area(selected_size, selected_base,
@@ -163,8 +163,9 @@ static int __init cma_activate_area(struct cma *cma)
unsigned i = cma->count >> pageblock_order;
struct zone *zone;

- cma->bitmap = kzalloc(bitmap_size, GFP_KERNEL);
+ pr_debug("%s()\n", __func__);

+ cma->bitmap = kzalloc(bitmap_size, GFP_KERNEL);
if (!cma->bitmap)
return -ENOMEM;

@@ -234,7 +235,8 @@ int __init dma_contiguous_reserve_area(phys_addr_t size, phys_addr_t base,

/* Sanity checks */
if (cma_area_count == ARRAY_SIZE(cma_areas)) {
- pr_err("Not enough slots for CMA reserved regions!\n");
+ pr_err("%s(): Not enough slots for CMA reserved regions!\n",
+ __func__);
return -ENOSPC;
}

@@ -274,14 +276,15 @@ int __init dma_contiguous_reserve_area(phys_addr_t size, phys_addr_t base,
*res_cma = cma;
cma_area_count++;

- pr_info("CMA: reserved %ld MiB at %08lx\n", (unsigned long)size / SZ_1M,
- (unsigned long)base);
+ pr_info("%s(): reserved %ld MiB at %08lx\n",
+ __func__, (unsigned long)size / SZ_1M, (unsigned long)base);

/* Architecture specific contiguous memory fixup. */
dma_contiguous_early_fixup(base, size);
return 0;
err:
- pr_err("CMA: failed to reserve %ld MiB\n", (unsigned long)size / SZ_1M);
+ pr_err("%s(): failed to reserve %ld MiB\n",
+ __func__, (unsigned long)size / SZ_1M);
return ret;
}

--
1.7.9.5


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