Re: [PATCH] tpm: make const pointer desc a static const array

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On Sat, 2021-11-27 at 17:26 +0000, Colin Ian King wrote:
> Make const pointer desc a static const array, removes a dereference
> and shrinks object code a few bytes.
> 
> Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>
> ---
>  drivers/char/tpm/tpm_tis_core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c
> index b2659a4c4016..649b4229e76e 100644
> --- a/drivers/char/tpm/tpm_tis_core.c
> +++ b/drivers/char/tpm/tpm_tis_core.c
> @@ -716,7 +716,7 @@ static irqreturn_t tis_int_handler(int dummy, void *dev_id)
>  
>  static int tpm_tis_gen_interrupt(struct tpm_chip *chip)
>  {
> -       const char *desc = "attempting to generate an interrupt";
> +       static const char desc[] = "attempting to generate an interrupt";
>         u32 cap2;
>         cap_t cap;
>         int ret;

I'd rather go for:

#define TPM_TIS_GEN_INTERRUPT_DESC "attempting to generate an interrupt"

/Jarkko




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