diff mbox series

crypto: amlogic - Save a few bytes of memory

Message ID c797dc5e9248498918916a6eeedaa25de2196e8c.1669154149.git.christophe.jaillet@wanadoo.fr
State New
Headers show
Series crypto: amlogic - Save a few bytes of memory | expand

Commit Message

Christophe JAILLET Nov. 22, 2022, 9:56 p.m. UTC
There is no real point in allocating dedicated memory for the irqs array.
MAXFLOW is only 2, so it is easier to allocated the needed space
directly within the 'meson_dev' structure.

This saves some memory allocation and avoids an indirection when using the
irqs array.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
 drivers/crypto/amlogic/amlogic-gxl-core.c | 1 -
 drivers/crypto/amlogic/amlogic-gxl.h      | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

Comments

Herbert Xu Dec. 2, 2022, 10:19 a.m. UTC | #1
On Tue, Nov 22, 2022 at 10:56:19PM +0100, Christophe JAILLET wrote:
> There is no real point in allocating dedicated memory for the irqs array.
> MAXFLOW is only 2, so it is easier to allocated the needed space
> directly within the 'meson_dev' structure.
> 
> This saves some memory allocation and avoids an indirection when using the
> irqs array.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
>  drivers/crypto/amlogic/amlogic-gxl-core.c | 1 -
>  drivers/crypto/amlogic/amlogic-gxl.h      | 2 +-
>  2 files changed, 1 insertion(+), 2 deletions(-)

Patch applied.  Thanks.
diff mbox series

Patch

diff --git a/drivers/crypto/amlogic/amlogic-gxl-core.c b/drivers/crypto/amlogic/amlogic-gxl-core.c
index 6e7ae896717c..937187027ad5 100644
--- a/drivers/crypto/amlogic/amlogic-gxl-core.c
+++ b/drivers/crypto/amlogic/amlogic-gxl-core.c
@@ -237,7 +237,6 @@  static int meson_crypto_probe(struct platform_device *pdev)
 		return err;
 	}
 
-	mc->irqs = devm_kcalloc(mc->dev, MAXFLOW, sizeof(int), GFP_KERNEL);
 	for (i = 0; i < MAXFLOW; i++) {
 		mc->irqs[i] = platform_get_irq(pdev, i);
 		if (mc->irqs[i] < 0)
diff --git a/drivers/crypto/amlogic/amlogic-gxl.h b/drivers/crypto/amlogic/amlogic-gxl.h
index dc0f142324a3..8c0746a1d6d4 100644
--- a/drivers/crypto/amlogic/amlogic-gxl.h
+++ b/drivers/crypto/amlogic/amlogic-gxl.h
@@ -95,7 +95,7 @@  struct meson_dev {
 	struct device *dev;
 	struct meson_flow *chanlist;
 	atomic_t flow;
-	int *irqs;
+	int irqs[MAXFLOW];
 #ifdef CONFIG_CRYPTO_DEV_AMLOGIC_GXL_DEBUG
 	struct dentry *dbgfs_dir;
 #endif