linux-kernel - Re: [PATCH v2] host: omap_hsmmc: style: Simplify bool comparison and conversion

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Message-ID: <CAPDyKFpwF6gX3YhKGMF=YUGP1UQD=JSuNgvSxuJHG+Ochzv5Bg@mail.gmail.com>
Date:   Tue, 19 Jan 2021 14:43:03 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Yang Li <abaci-bugfix@...ux.alibaba.com>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        linux-omap <linux-omap@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] host: omap_hsmmc: style: Simplify bool comparison and conversion

On Fri, 15 Jan 2021 at 10:51, Yang Li <abaci-bugfix@...ux.alibaba.com> wrote:
>
> Fix the following coccicheck warning:
> ./drivers/mmc/host/omap_hsmmc.c:297:6-25: WARNING: Comparison of 0/1 to
> bool variable
>
> According to the context, vqmmc_enabled is more suitable for bool
> type.
>
> Reported-by: Abaci Robot<abaci@...ux.alibaba.com>
> Signed-off-by: Yang Li <abaci-bugfix@...ux.alibaba.com>

Applied for next, thanks!

Kind regards
Uffe


> ---
> Changes in v2:
>  -clean up all use of "pbias_enabled", and do the same clean up for
> "vqmmc_enabled".
>
>  drivers/mmc/host/omap_hsmmc.c | 18 +++++++++---------
>  1 file changed, 9 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
> index aa9cc49..2f8038d 100644
> --- a/drivers/mmc/host/omap_hsmmc.c
> +++ b/drivers/mmc/host/omap_hsmmc.c
> @@ -177,7 +177,7 @@ struct omap_hsmmc_host {
>         struct  regulator       *pbias;
>         bool                    pbias_enabled;
>         void    __iomem         *base;
> -       int                     vqmmc_enabled;
> +       bool                    vqmmc_enabled;
>         resource_size_t         mapbase;
>         spinlock_t              irq_lock; /* Prevent races with irq handler */
>         unsigned int            dma_len;
> @@ -232,7 +232,7 @@ static int omap_hsmmc_enable_supply(struct mmc_host *mmc)
>                         dev_err(mmc_dev(mmc), "vmmc_aux reg enable failed\n");
>                         goto err_vqmmc;
>                 }
> -               host->vqmmc_enabled = 1;
> +               host->vqmmc_enabled = true;
>         }
>
>         return 0;
> @@ -256,7 +256,7 @@ static int omap_hsmmc_disable_supply(struct mmc_host *mmc)
>                         dev_err(mmc_dev(mmc), "vmmc_aux reg disable failed\n");
>                         return ret;
>                 }
> -               host->vqmmc_enabled = 0;
> +               host->vqmmc_enabled = false;
>         }
>
>         if (!IS_ERR(mmc->supply.vmmc)) {
> @@ -285,22 +285,22 @@ static int omap_hsmmc_set_pbias(struct omap_hsmmc_host *host, bool power_on)
>                 return 0;
>
>         if (power_on) {
> -               if (host->pbias_enabled == 0) {
> +               if (!host->pbias_enabled) {
>                         ret = regulator_enable(host->pbias);
>                         if (ret) {
>                                 dev_err(host->dev, "pbias reg enable fail\n");
>                                 return ret;
>                         }
> -                       host->pbias_enabled = 1;
> +                       host->pbias_enabled = true;
>                 }
>         } else {
> -               if (host->pbias_enabled == 1) {
> +               if (host->pbias_enabled) {
>                         ret = regulator_disable(host->pbias);
>                         if (ret) {
>                                 dev_err(host->dev, "pbias reg disable fail\n");
>                                 return ret;
>                         }
> -                       host->pbias_enabled = 0;
> +                       host->pbias_enabled = false;
>                 }
>         }
>
> @@ -1861,8 +1861,8 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
>         host->base      = base + pdata->reg_offset;
>         host->power_mode = MMC_POWER_OFF;
>         host->next_data.cookie = 1;
> -       host->pbias_enabled = 0;
> -       host->vqmmc_enabled = 0;
> +       host->pbias_enabled = false;
> +       host->vqmmc_enabled = false;
>
>         platform_set_drvdata(pdev, host);
>
> --
> 1.8.3.1
>