Return-path: Received: from mail-fx0-f46.google.com ([209.85.161.46]:49491 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756501Ab0IGL3m (ORCPT ); Tue, 7 Sep 2010 07:29:42 -0400 From: Ohad Ben-Cohen To: , Cc: Luciano Coelho , , San Mehat , Roger Quadros , Nicolas Pitre , Gao Yunpeng , Ohad Ben-Cohen Subject: [PATCH v1 3/8] sdio: add power_restore support Date: Tue, 7 Sep 2010 14:29:04 +0300 Message-Id: <1283858949-11073-4-git-send-email-ohad@wizery.com> In-Reply-To: <1283858949-11073-1-git-send-email-ohad@wizery.com> References: <1283858949-11073-1-git-send-email-ohad@wizery.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: Add a power_restore handler to the SDIO bus ops, in order to support waking up SDIO cards that were powered off by runtime pm. Signed-off-by: Ohad Ben-Cohen --- drivers/mmc/core/sdio.c | 18 ++++++++++++++++++ 1 files changed, 18 insertions(+), 0 deletions(-) diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 8a34945..c118cc2 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -639,11 +639,29 @@ static int mmc_sdio_resume(struct mmc_host *host) return err; } +static int mmc_sdio_power_restore(struct mmc_host *host) +{ + int ret; + + BUG_ON(!host); + BUG_ON(!host->card); + + mmc_claim_host(host); + ret = mmc_sdio_init_card(host, host->ocr, host->card, + (host->pm_flags & MMC_PM_KEEP_POWER)); + if (!ret && host->sdio_irqs) + mmc_signal_sdio_irq(host); + mmc_release_host(host); + + return ret; +} + static const struct mmc_bus_ops mmc_sdio_ops = { .remove = mmc_sdio_remove, .detect = mmc_sdio_detect, .suspend = mmc_sdio_suspend, .resume = mmc_sdio_resume, + .power_restore = mmc_sdio_power_restore, }; -- 1.7.0.4