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Date:   Sun, 31 Mar 2019 19:47:53 +0200
From:   Jinpu Wang <jinpu.wang@...ud.ionos.com>
To:     Colin King <colin.king@...onical.com>
Cc:     Jack Wang <jinpu.wang@...fitbricks.com>,
        lindar_liu <lindar_liu@...sh.com>,
        "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Linux SCSI Mailinglist <linux-scsi@...r.kernel.org>,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] scsi: pm8001: clean up structurally dead code when
 PM8001_USE_MSIX is defined

On Sat, Mar 30, 2019 at 12:44 AM Colin King <colin.king@...onical.com> wrote:
>
> From: Colin Ian King <colin.king@...onical.com>
>
> When macro PM8001_USE_MSIX is defined there is redundant dead code
> call to pm8001_cr32.  Clean this up for the defined PM8001_USE_MSIX and
> undefined PM8001_USE_MSIX cases.
>
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
Thanks, Colin,
Acked-by: Jack Wang <jinpu.wang@...ud.ionos.com>
> ---
>  drivers/scsi/pm8001/pm8001_hwi.c | 7 ++++---
>  drivers/scsi/pm8001/pm80xx_hwi.c | 7 ++++---
>  2 files changed, 8 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
> index e4209091c1da..434498a78946 100644
> --- a/drivers/scsi/pm8001/pm8001_hwi.c
> +++ b/drivers/scsi/pm8001/pm8001_hwi.c
> @@ -4625,15 +4625,16 @@ static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
>
>  static u32 pm8001_chip_is_our_interupt(struct pm8001_hba_info *pm8001_ha)
>  {
> -       u32 value;
>  #ifdef PM8001_USE_MSIX
>         return 1;
> -#endif
> +#else
> +       u32 value;
> +
>         value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
>         if (value)
>                 return 1;
>         return 0;
> -
> +#endif
>  }
>
>  /**
> diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
> index 536d2b4384f8..4a176e60307f 100644
> --- a/drivers/scsi/pm8001/pm80xx_hwi.c
> +++ b/drivers/scsi/pm8001/pm80xx_hwi.c
> @@ -4619,15 +4619,16 @@ static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
>
>  static u32 pm80xx_chip_is_our_interupt(struct pm8001_hba_info *pm8001_ha)
>  {
> -       u32 value;
>  #ifdef PM8001_USE_MSIX
>         return 1;
> -#endif
> +#else
> +       u32 value;
> +
>         value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
>         if (value)
>                 return 1;
>         return 0;
> -
> +#endif
>  }
>
>  /**
> --
> 2.20.1
>


-- 
Jack Wang
Linux Kernel Developer

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Phone: +49 30 57700-8042 | Fax: +49 30 57700-8598
E-mail: jinpu.wang@...ud.ionos.com | Web: www.ionos.de


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