From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gregory CLEMENT Subject: [PATCH 07/12] mmc: core: export the alive operation Date: Thu, 9 Jun 2016 09:10:13 +0200 Message-ID: <1465456218-28354-8-git-send-email-gregory.clement@free-electrons.com> References: <1465456218-28354-1-git-send-email-gregory.clement@free-electrons.com> Return-path: In-Reply-To: <1465456218-28354-1-git-send-email-gregory.clement@free-electrons.com> Sender: linux-mmc-owner@vger.kernel.org To: Ulf Hansson , Adrian Hunter , linux-mmc@vger.kernel.org Cc: Rob Herring , devicetree@vger.kernel.org, Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , Gregory CLEMENT , Thomas Petazzoni , linux-arm-kernel@lists.infradead.org, Nadav Haklai , Victor Gu , Romain Perier , Omri Itach , Marcin Wojtas , Wilson Ding , Shadi Ammouri List-Id: devicetree@vger.kernel.org Depending of the type of card there is a different operation to know if the car is alive. However, the access to this operation are private. This patch introduce a new function allowing to know if the card is alive by using the appropriate operation. Signed-off-by: Gregory CLEMENT --- drivers/mmc/core/core.c | 7 +++++++ include/linux/mmc/card.h | 1 + 2 files changed, 8 insertions(+) diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 8b4dfd45433b..3dce095c5f89 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -2464,6 +2464,13 @@ int mmc_hw_reset(struct mmc_host *host) } EXPORT_SYMBOL(mmc_hw_reset); + +int card_alive(struct mmc_card *card) +{ + return card->host->bus_ops->alive(card->host); +} +EXPORT_SYMBOL(card_alive); + static int mmc_rescan_try_freq(struct mmc_host *host, unsigned freq) { host->f_init = freq; diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index eb0151bac50c..287a0b12d8ba 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -526,6 +526,7 @@ struct mmc_driver { void (*shutdown)(struct mmc_card *); }; +extern int card_alive(struct mmc_card *); extern int mmc_register_driver(struct mmc_driver *); extern void mmc_unregister_driver(struct mmc_driver *); -- 2.5.0