linux-kernel - Re: [PATCH v2 2/2] cqhci-core: Make use cqhci

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Message-ID: <87r0a7rfi6.fsf@gmail.com>
Date: Thu, 29 Aug 2024 12:18:33 +0530
From: Ritesh Harjani <ritesh.list@...il.com>
To: Seunghwan Baek <sh8267.baek@...sung.com>, linux-kernel@...r.kernel.org, linux-mmc@...r.kernel.org, ulf.hansson@...aro.org, quic_asutoshd@...cinc.com, adrian.hunter@...el.com
Cc: grant.jung@...sung.com, jt77.jang@...sung.com, junwoo80.lee@...sung.com, dh0421.hwang@...sung.com, jangsub.yi@...sung.com, sh043.lee@...sung.com, cw9316.lee@...sung.com, sh8267.baek@...sung.com, wkon.kim@...sung.com
Subject: Re: [PATCH v2 2/2] cqhci-core: Make use cqhci_halted() routine

Seunghwan Baek <sh8267.baek@...sung.com> writes:

> Code to check whether cqe is in halt state is modified to cqhci_halted,
> which has already been implemented.
>
> Signed-off-by: Seunghwan Baek <sh8267.baek@...sung.com>

LGTM. Please feel free to add - 

Reviewed-by: Ritesh Harjani <ritesh.list@...il.com> 


> ---
>  drivers/mmc/host/cqhci-core.c | 14 +++++++-------
>  1 file changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/mmc/host/cqhci-core.c b/drivers/mmc/host/cqhci-core.c
> index a02da26a1efd..178277d90c31 100644
> --- a/drivers/mmc/host/cqhci-core.c
> +++ b/drivers/mmc/host/cqhci-core.c
> @@ -33,6 +33,11 @@ struct cqhci_slot {
>  #define CQHCI_HOST_OTHER	BIT(4)
>  };
>  
> +static bool cqhci_halted(struct cqhci_host *cq_host)
> +{
> +	return cqhci_readl(cq_host, CQHCI_CTL) & CQHCI_HALT;
> +}
> +
>  static inline u8 *get_desc(struct cqhci_host *cq_host, u8 tag)
>  {
>  	return cq_host->desc_base + (tag * cq_host->slot_sz);
> @@ -282,7 +287,7 @@ static void __cqhci_enable(struct cqhci_host *cq_host)
>  
>  	cqhci_writel(cq_host, cqcfg, CQHCI_CFG);
>  
> -	if (cqhci_readl(cq_host, CQHCI_CTL) & CQHCI_HALT)
> +	if (cqhci_halted(cq_host))
>  		cqhci_writel(cq_host, 0, CQHCI_CTL);
>  
>  	mmc->cqe_on = true;
> @@ -617,7 +622,7 @@ static int cqhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
>  		cqhci_writel(cq_host, 0, CQHCI_CTL);
>  		mmc->cqe_on = true;
>  		pr_debug("%s: cqhci: CQE on\n", mmc_hostname(mmc));
> -		if (cqhci_readl(cq_host, CQHCI_CTL) & CQHCI_HALT) {
> +		if (cqhci_halted(cq_host)) {
>  			pr_err("%s: cqhci: CQE failed to exit halt state\n",
>  			       mmc_hostname(mmc));
>  		}
> @@ -953,11 +958,6 @@ static bool cqhci_clear_all_tasks(struct mmc_host *mmc, unsigned int timeout)
>  	return ret;
>  }
>  
> -static bool cqhci_halted(struct cqhci_host *cq_host)
> -{
> -	return cqhci_readl(cq_host, CQHCI_CTL) & CQHCI_HALT;
> -}
> -
>  static bool cqhci_halt(struct mmc_host *mmc, unsigned int timeout)
>  {
>  	struct cqhci_host *cq_host = mmc->cqe_private;
> -- 
> 2.17.1