Commit 2e1bfb31 authored by Christophe JAILLET's avatar Christophe JAILLET Committed by Thierry Reding
Browse files

gpu: host1x: Use the bitmap API to allocate bitmaps 



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: default avatarChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 8c92243d

drivers/gpu/host1x/channel.c

+2 −6
Original line number Diff line number Diff line
@@ -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);

}