linux-kernel - Re: [PATCH] mmc: moxart: Remove unused variable 'dma_time' and 'pio

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Date:   Mon, 12 Apr 2021 09:52:00 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Yang Li <yang.lee@...ux.alibaba.com>
Cc:     linux-mmc <linux-mmc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mmc: moxart: Remove unused variable 'dma_time' and 'pio_time'

On Fri, 2 Apr 2021 at 11:53, Yang Li <yang.lee@...ux.alibaba.com> wrote:
>
> Fixes the following W=1 kernel build warning(s):
>
> drivers/mmc/host/moxart-mmc.c:257:7: warning: variable ‘dma_time’ set
> but not used
> drivers/mmc/host/moxart-mmc.c:395:7: warning: variable ‘pio_time’ set
> but not used
>
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>

Applied for next, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/moxart-mmc.c | 10 ++++------
>  1 file changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/mmc/host/moxart-mmc.c b/drivers/mmc/host/moxart-mmc.c
> index 89bff4e..bde2988 100644
> --- a/drivers/mmc/host/moxart-mmc.c
> +++ b/drivers/mmc/host/moxart-mmc.c
> @@ -257,7 +257,6 @@ static void moxart_dma_complete(void *param)
>  static void moxart_transfer_dma(struct mmc_data *data, struct moxart_host *host)
>  {
>         u32 len, dir_slave;
> -       long dma_time;
>         struct dma_async_tx_descriptor *desc = NULL;
>         struct dma_chan *dma_chan;
>
> @@ -294,8 +293,8 @@ static void moxart_transfer_dma(struct mmc_data *data, struct moxart_host *host)
>
>         data->bytes_xfered += host->data_remain;
>
> -       dma_time = wait_for_completion_interruptible_timeout(
> -                  &host->dma_complete, host->timeout);
> +       wait_for_completion_interruptible_timeout(&host->dma_complete,
> +                                                 host->timeout);
>
>         dma_unmap_sg(dma_chan->device->dev,
>                      data->sg, data->sg_len,
> @@ -395,7 +394,6 @@ static void moxart_prepare_data(struct moxart_host *host)
>  static void moxart_request(struct mmc_host *mmc, struct mmc_request *mrq)
>  {
>         struct moxart_host *host = mmc_priv(mmc);
> -       long pio_time;
>         unsigned long flags;
>         u32 status;
>
> @@ -431,8 +429,8 @@ static void moxart_request(struct mmc_host *mmc, struct mmc_request *mrq)
>                         spin_unlock_irqrestore(&host->lock, flags);
>
>                         /* PIO transfers start from interrupt. */
> -                       pio_time = wait_for_completion_interruptible_timeout(
> -                                  &host->pio_complete, host->timeout);
> +                       wait_for_completion_interruptible_timeout(&host->pio_complete,
> +                                                                 host->timeout);
>
>                         spin_lock_irqsave(&host->lock, flags);
>                 }
> --
> 1.8.3.1
>