linux-kernel - Re: [PATCH] mmc: queue: Remove unused define

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Date:   Wed, 3 Feb 2021 09:36:34 +0200
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     Chanwoo Lee <cw9316.lee@...sung.com>, ulf.hansson@...aro.org,
        baolin.wang@...aro.org, arnd@...db.de, colyli@...e.de,
        lee.jones@...aro.org, sartgarg@...eaurora.org, pcc@...gle.com,
        linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     grant.jung@...sung.com, jt77.jang@...sung.com,
        dh0421.hwang@...sung.com, sh043.lee@...sung.com
Subject: Re: [PATCH] mmc: queue: Remove unused define

On 3/02/21 9:20 am, Chanwoo Lee wrote:
> From: ChanWoo Lee <cw9316.lee@...sung.com>
> 
> MMC_CQE_QUEUE_FULL is not set and is only cleared.
> Therefore, define is unnecessary.
> 
> Signed-off-by: ChanWoo Lee <cw9316.lee@...sung.com>

Looks like a pre blk-mq remanent.

Acked-by: Adrian Hunter <adrian.hunter@...el.com>

> ---
>  drivers/mmc/core/queue.c | 2 --
>  drivers/mmc/core/queue.h | 1 -
>  2 files changed, 3 deletions(-)
> 
> diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
> index 002426e3cf76..9f37a8b909e8 100644
> --- a/drivers/mmc/core/queue.c
> +++ b/drivers/mmc/core/queue.c
> @@ -33,8 +33,6 @@ void mmc_cqe_check_busy(struct mmc_queue *mq)
>  {
>  	if ((mq->cqe_busy & MMC_CQE_DCMD_BUSY) && !mmc_cqe_dcmd_busy(mq))
>  		mq->cqe_busy &= ~MMC_CQE_DCMD_BUSY;
> -
> -	mq->cqe_busy &= ~MMC_CQE_QUEUE_FULL;
>  }
>  
>  static inline bool mmc_cqe_can_dcmd(struct mmc_host *host)
> diff --git a/drivers/mmc/core/queue.h b/drivers/mmc/core/queue.h
> index fd11491ced9f..57c59b6cb1b9 100644
> --- a/drivers/mmc/core/queue.h
> +++ b/drivers/mmc/core/queue.h
> @@ -81,7 +81,6 @@ struct mmc_queue {
>  	int			in_flight[MMC_ISSUE_MAX];
>  	unsigned int		cqe_busy;
>  #define MMC_CQE_DCMD_BUSY	BIT(0)
> -#define MMC_CQE_QUEUE_FULL	BIT(1)
>  	bool			busy;
>  	bool			use_cqe;
>  	bool			recovery_needed;
>