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* [PATCH] gpu: host1x: Use the bitmap API to allocate bitmaps
@ 2022-07-04 20:31 ` Christophe JAILLET
  0 siblings, 0 replies; 2+ messages in thread
From: Christophe JAILLET @ 2022-07-04 20:31 UTC (permalink / raw)
  To: Thierry Reding, David Airlie, Daniel Vetter
  Cc: linux-kernel, kernel-janitors, Christophe JAILLET, dri-devel,
	linux-tegra

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>
---
 drivers/gpu/host1x/channel.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/host1x/channel.c b/drivers/gpu/host1x/channel.c
index 2a9a3a8d5931..2d0051d6314c 100644
--- a/drivers/gpu/host1x/channel.c
+++ b/drivers/gpu/host1x/channel.c
@@ -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);
 }
 
-- 
2.34.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* [PATCH] gpu: host1x: Use the bitmap API to allocate bitmaps
@ 2022-07-04 20:31 ` Christophe JAILLET
  0 siblings, 0 replies; 2+ messages in thread
From: Christophe JAILLET @ 2022-07-04 20:31 UTC (permalink / raw)
  To: Thierry Reding, David Airlie, Daniel Vetter
  Cc: linux-tegra, Christophe JAILLET, kernel-janitors, linux-kernel,
	dri-devel

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>
---
 drivers/gpu/host1x/channel.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/host1x/channel.c b/drivers/gpu/host1x/channel.c
index 2a9a3a8d5931..2d0051d6314c 100644
--- a/drivers/gpu/host1x/channel.c
+++ b/drivers/gpu/host1x/channel.c
@@ -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);
 }
 
-- 
2.34.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2022-07-04 20:32 UTC | newest]

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2022-07-04 20:31 [PATCH] gpu: host1x: Use the bitmap API to allocate bitmaps Christophe JAILLET
2022-07-04 20:31 ` Christophe JAILLET

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