2022-01-09 20:24:26

by Colin Ian King

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Subject: [PATCH] nfc: pn544: make array rset_cmd static const

Don't populate the read-only array rset_cmd on the stack but
instead it static const. Also makes the object code a little smaller.

Signed-off-by: Colin Ian King <[email protected]>
---
drivers/nfc/pn544/i2c.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nfc/pn544/i2c.c b/drivers/nfc/pn544/i2c.c
index 37d26f01986b..62a0f1a010cb 100644
--- a/drivers/nfc/pn544/i2c.c
+++ b/drivers/nfc/pn544/i2c.c
@@ -188,7 +188,7 @@ do { \
static void pn544_hci_i2c_platform_init(struct pn544_i2c_phy *phy)
{
int polarity, retry, ret;
- char rset_cmd[] = { 0x05, 0xF9, 0x04, 0x00, 0xC3, 0xE5 };
+ static const char rset_cmd[] = { 0x05, 0xF9, 0x04, 0x00, 0xC3, 0xE5 };
int count = sizeof(rset_cmd);

nfc_info(&phy->i2c_dev->dev, "Detecting nfc_en polarity\n");
--
2.32.0



2022-01-10 08:30:13

by Krzysztof Kozlowski

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Subject: Re: [PATCH] nfc: pn544: make array rset_cmd static const

On 09/01/2022 21:24, Colin Ian King wrote:
> Don't populate the read-only array rset_cmd on the stack but
> instead it static const. Also makes the object code a little smaller.
>
> Signed-off-by: Colin Ian King <[email protected]>
> ---
> drivers/nfc/pn544/i2c.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>


Reviewed-by: Krzysztof Kozlowski <[email protected]>


Best regards,
Krzysztof

2022-01-12 05:20:17

by patchwork-bot+netdevbpf

[permalink] [raw]
Subject: Re: [PATCH] nfc: pn544: make array rset_cmd static const

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <[email protected]>:

On Sun, 9 Jan 2022 20:24:18 +0000 you wrote:
> Don't populate the read-only array rset_cmd on the stack but
> instead it static const. Also makes the object code a little smaller.
>
> Signed-off-by: Colin Ian King <[email protected]>
> ---
> drivers/nfc/pn544/i2c.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Here is the summary with links:
- nfc: pn544: make array rset_cmd static const
https://git.kernel.org/netdev/net/c/e110978d6e06

You are awesome, thank you!
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