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SubjectRe: [PATCH] mmc: core: remove dead function mmc_try_claim_host
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On 20 September 2013 03:21, Grant Grundler <grundler@chromium.org> wrote:
> cscsope says there are no callers for mmc_try_claim_host in the kernel.
> No reason to keep it.
>
> Signed-off-by: Grant Grundler <grundler@chromium.org>

Acked-by: Ulf Hansson <ulf.hansson@linaro.org>

> ---
> drivers/mmc/core/core.c | 25 -------------------------
> include/linux/mmc/core.h | 1 -
> 2 files changed, 26 deletions(-)
>
> diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
> index bf18b6b..006ead2 100644
> --- a/drivers/mmc/core/core.c
> +++ b/drivers/mmc/core/core.c
> @@ -918,31 +918,6 @@ int __mmc_claim_host(struct mmc_host *host, atomic_t *abort)
> EXPORT_SYMBOL(__mmc_claim_host);
>
> /**
> - * mmc_try_claim_host - try exclusively to claim a host
> - * @host: mmc host to claim
> - *
> - * Returns %1 if the host is claimed, %0 otherwise.
> - */
> -int mmc_try_claim_host(struct mmc_host *host)
> -{
> - int claimed_host = 0;
> - unsigned long flags;
> -
> - spin_lock_irqsave(&host->lock, flags);
> - if (!host->claimed || host->claimer == current) {
> - host->claimed = 1;
> - host->claimer = current;
> - host->claim_cnt += 1;
> - claimed_host = 1;
> - }
> - spin_unlock_irqrestore(&host->lock, flags);
> - if (host->ops->enable && claimed_host && host->claim_cnt == 1)
> - host->ops->enable(host);
> - return claimed_host;
> -}
> -EXPORT_SYMBOL(mmc_try_claim_host);
> -
> -/**
> * mmc_release_host - release a host
> * @host: mmc host to release
> *
> diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
> index da51bec..a00fc49 100644
> --- a/include/linux/mmc/core.h
> +++ b/include/linux/mmc/core.h
> @@ -188,7 +188,6 @@ extern unsigned int mmc_align_data_size(struct mmc_card *, unsigned int);
>
> extern int __mmc_claim_host(struct mmc_host *host, atomic_t *abort);
> extern void mmc_release_host(struct mmc_host *host);
> -extern int mmc_try_claim_host(struct mmc_host *host);
>
> extern void mmc_get_card(struct mmc_card *card);
> extern void mmc_put_card(struct mmc_card *card);
> --
> 1.8.4
>
> --
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