Re: [PATCH] soc: fsl: dpio: remove set but not used 'addr_cena'

From: Krzysztof Kozlowski
Date: Sun Sep 20 2020 - 16:22:23 EST


On Thu, 10 Sep 2020 at 16:57, Jason Yan <yanaijie@xxxxxxxxxx> wrote:
>
> This addresses the following gcc warning with "make W=1":
>
> drivers/soc/fsl/dpio/qbman-portal.c: In function
> ‘qbman_swp_enqueue_multiple_direct’:
> drivers/soc/fsl/dpio/qbman-portal.c:650:11: warning: variable
> ‘addr_cena’ set but not used [-Wunused-but-set-variable]
> 650 | uint64_t addr_cena;
> | ^~~~~~~~~
>
> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> Signed-off-by: Jason Yan <yanaijie@xxxxxxxxxx>

This was already reported:
Reported-by: kernel test robot <lkp@xxxxxxxxx>
https://lkml.org/lkml/2020/6/12/290

Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>

Best regards,
Krzysztof

> ---
> drivers/soc/fsl/dpio/qbman-portal.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/soc/fsl/dpio/qbman-portal.c b/drivers/soc/fsl/dpio/qbman-portal.c
> index 0ab85bfb116f..659b4a570d5b 100644
> --- a/drivers/soc/fsl/dpio/qbman-portal.c
> +++ b/drivers/soc/fsl/dpio/qbman-portal.c
> @@ -647,7 +647,6 @@ int qbman_swp_enqueue_multiple_direct(struct qbman_swp *s,
> const uint32_t *cl = (uint32_t *)d;
> uint32_t eqcr_ci, eqcr_pi, half_mask, full_mask;
> int i, num_enqueued = 0;
> - uint64_t addr_cena;
>
> spin_lock(&s->access_spinlock);
> half_mask = (s->eqcr.pi_ci_mask>>1);
> @@ -701,7 +700,6 @@ int qbman_swp_enqueue_multiple_direct(struct qbman_swp *s,
>
> /* Flush all the cacheline without load/store in between */
> eqcr_pi = s->eqcr.pi;
> - addr_cena = (size_t)s->addr_cena;
> for (i = 0; i < num_enqueued; i++)
> eqcr_pi++;
> s->eqcr.pi = eqcr_pi & full_mask;
> --
> 2.25.4
>