diff mbox series

[net-next] nfc: store __be16 value in __be16 variable

Message ID 20230608-nxp-nci-be16-v1-1-24a17345b27a@kernel.org (mailing list archive)
State Changes Requested
Delegated to: Netdev Maintainers
Headers show
Series [net-next] nfc: store __be16 value in __be16 variable | expand

Checks

Context Check Description
netdev/series_format success Single patches do not need cover letters
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 9 this patch: 8
netdev/cc_maintainers success CCed 6 of 6 maintainers
netdev/build_clang success Errors and warnings before: 8 this patch: 8
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 9 this patch: 8
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 9 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Simon Horman June 8, 2023, 11:21 a.m. UTC
Use a __be16 variable to store the store the big endian value of header
in nxp_nci_i2c_fw_read().

Flagged by sparse as:

 .../i2c.c:113:22: warning: cast to restricted __be16

No functional changes intended.
Compile tested only.

Signed-off-by: Simon Horman <horms@kernel.org>
---
 drivers/nfc/nxp-nci/i2c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Samudrala, Sridhar June 8, 2023, 11:29 p.m. UTC | #1
On 6/8/2023 4:21 AM, Simon Horman wrote:
> Use a __be16 variable to store the store the big endian value of header
> in nxp_nci_i2c_fw_read().
> 
> Flagged by sparse as:
> 
>   .../i2c.c:113:22: warning: cast to restricted __be16
> 
> No functional changes intended.
> Compile tested only.
> 
> Signed-off-by: Simon Horman <horms@kernel.org>

Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>


> ---
>   drivers/nfc/nxp-nci/i2c.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/nfc/nxp-nci/i2c.c b/drivers/nfc/nxp-nci/i2c.c
> index baddaf242d18..dca25a0c2f33 100644
> --- a/drivers/nfc/nxp-nci/i2c.c
> +++ b/drivers/nfc/nxp-nci/i2c.c
> @@ -97,8 +97,8 @@ static int nxp_nci_i2c_fw_read(struct nxp_nci_i2c_phy *phy,
>   			       struct sk_buff **skb)
>   {
>   	struct i2c_client *client = phy->i2c_dev;
> -	u16 header;
>   	size_t frame_len;
> +	__be16 header;
>   	int r;
>   
>   	r = i2c_master_recv(client, (u8 *) &header, NXP_NCI_FW_HDR_LEN);
> 
>
Kalesh Anakkur Purayil June 9, 2023, 4:23 a.m. UTC | #2
On Thu, Jun 8, 2023 at 4:52 PM Simon Horman <horms@kernel.org> wrote:

> Use a __be16 variable to store the store the big endian value of header
>
[Kalesh]: Minor nit, looks like a typo as "store the" is repeating.

> in nxp_nci_i2c_fw_read().
>
> Flagged by sparse as:
>
>  .../i2c.c:113:22: warning: cast to restricted __be16
>
> No functional changes intended.
> Compile tested only.
>
> Signed-off-by: Simon Horman <horms@kernel.org>
> ---
>  drivers/nfc/nxp-nci/i2c.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/nfc/nxp-nci/i2c.c b/drivers/nfc/nxp-nci/i2c.c
> index baddaf242d18..dca25a0c2f33 100644
> --- a/drivers/nfc/nxp-nci/i2c.c
> +++ b/drivers/nfc/nxp-nci/i2c.c
> @@ -97,8 +97,8 @@ static int nxp_nci_i2c_fw_read(struct nxp_nci_i2c_phy
> *phy,
>                                struct sk_buff **skb)
>  {
>         struct i2c_client *client = phy->i2c_dev;
> -       u16 header;
>         size_t frame_len;
> +       __be16 header;
>         int r;
>
>         r = i2c_master_recv(client, (u8 *) &header, NXP_NCI_FW_HDR_LEN);
>
>
>
Simon Horman June 9, 2023, 8:44 a.m. UTC | #3
On Fri, Jun 09, 2023 at 09:53:16AM +0530, Kalesh Anakkur Purayil wrote:
> On Thu, Jun 8, 2023 at 4:52 PM Simon Horman <horms@kernel.org> wrote:
> 
> > Use a __be16 variable to store the store the big endian value of header
> >
> [Kalesh]: Minor nit, looks like a typo as "store the" is repeating.

Thanks,

of course you are right.
I'll address this in a v2.
diff mbox series

Patch

diff --git a/drivers/nfc/nxp-nci/i2c.c b/drivers/nfc/nxp-nci/i2c.c
index baddaf242d18..dca25a0c2f33 100644
--- a/drivers/nfc/nxp-nci/i2c.c
+++ b/drivers/nfc/nxp-nci/i2c.c
@@ -97,8 +97,8 @@  static int nxp_nci_i2c_fw_read(struct nxp_nci_i2c_phy *phy,
 			       struct sk_buff **skb)
 {
 	struct i2c_client *client = phy->i2c_dev;
-	u16 header;
 	size_t frame_len;
+	__be16 header;
 	int r;
 
 	r = i2c_master_recv(client, (u8 *) &header, NXP_NCI_FW_HDR_LEN);