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gpu: host1x: Use the bitmap API to allocate bitmaps

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Use bitmap_zalloc()/bitmap_free() instead of hand-writing them.

It is less verbose and it improves the semantic.

While at it, remove a useless bitmap_zero() call. The bitmap is already
zero'ed when allocated.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Christophe JAILLET 2022-07-04 22:31:51 +02:00 committed by Thierry Reding
parent 8c92243d9e
commit 2e1bfb314c
1 changed files with 2 additions and 6 deletions
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8
drivers/gpu/host1x/channel.c
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@ -21,22 +21,18 @@ int host1x_channel_list_init(struct host1x_channel_list *chlist,
if (!chlist->channels)
return -ENOMEM;
chlist->allocated_channels =
kcalloc(BITS_TO_LONGS(num_channels), sizeof(unsigned long),
GFP_KERNEL);
chlist->allocated_channels = bitmap_zalloc(num_channels, GFP_KERNEL);
if (!chlist->allocated_channels) {
kfree(chlist->channels);
return -ENOMEM;
}
bitmap_zero(chlist->allocated_channels, num_channels);
return 0;
}
void host1x_channel_list_free(struct host1x_channel_list *chlist)
{
kfree(chlist->allocated_channels);
bitmap_free(chlist->allocated_channels);
kfree(chlist->channels);
}