From patchwork Wed Sep 15 23:22:04 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ohad Ben Cohen X-Patchwork-Id: 183942 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o8FNRmZK021608 for ; Wed, 15 Sep 2010 23:27:48 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754208Ab0IOX1p (ORCPT ); Wed, 15 Sep 2010 19:27:45 -0400 Received: from mail-bw0-f46.google.com ([209.85.214.46]:35653 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752690Ab0IOX1o (ORCPT ); Wed, 15 Sep 2010 19:27:44 -0400 Received: by mail-bw0-f46.google.com with SMTP id 11so1062871bwz.19 for ; Wed, 15 Sep 2010 16:27:44 -0700 (PDT) Received: by 10.204.61.133 with SMTP id t5mr2026715bkh.4.1284593263738; Wed, 15 Sep 2010 16:27:43 -0700 (PDT) Received: from localhost.localdomain (46-116-86-31.bb.netvision.net.il [46.116.86.31]) by mx.google.com with ESMTPS id s34sm1851119bkk.13.2010.09.15.16.27.40 (version=TLSv1/SSLv3 cipher=RC4-MD5); Wed, 15 Sep 2010 16:27:42 -0700 (PDT) From: Ohad Ben-Cohen To: , Cc: "John W. Linville" , Mark Brown , , Chikkature Rajashekar Madhusudhan , Luciano Coelho , San Mehat , Roger Quadros , Tony Lindgren , Nicolas Pitre , Ido Yariv , Kalle Valo , Russell King , Vitaly Wool , Ohad Ben-Cohen Subject: [PATCH v6 2/7] wl1271: propagate set_power's return value Date: Thu, 16 Sep 2010 01:22:04 +0200 Message-Id: <1284592929-29616-3-git-send-email-ohad@wizery.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1284592929-29616-1-git-send-email-ohad@wizery.com> References: <1284592929-29616-1-git-send-email-ohad@wizery.com> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Wed, 15 Sep 2010 23:27:48 +0000 (UTC) diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h index dd3cee6..faa5925 100644 --- a/drivers/net/wireless/wl12xx/wl1271.h +++ b/drivers/net/wireless/wl12xx/wl1271.h @@ -313,7 +313,7 @@ struct wl1271_if_operations { bool fixed); void (*reset)(struct wl1271 *wl); void (*init)(struct wl1271 *wl); - void (*power)(struct wl1271 *wl, bool enable); + int (*power)(struct wl1271 *wl, bool enable); struct device* (*dev)(struct wl1271 *wl); void (*enable_irq)(struct wl1271 *wl); void (*disable_irq)(struct wl1271 *wl); diff --git a/drivers/net/wireless/wl12xx/wl1271_io.h b/drivers/net/wireless/wl12xx/wl1271_io.h index bc806c7..c1f92e6 100644 --- a/drivers/net/wireless/wl12xx/wl1271_io.h +++ b/drivers/net/wireless/wl12xx/wl1271_io.h @@ -144,10 +144,13 @@ static inline void wl1271_power_off(struct wl1271 *wl) clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); } -static inline void wl1271_power_on(struct wl1271 *wl) +static inline int wl1271_power_on(struct wl1271 *wl) { - wl->if_ops->power(wl, true); - set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); + int ret = wl->if_ops->power(wl, true); + if (ret == 0) + set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags); + + return ret; } diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c index 8e55cf8..af26150 100644 --- a/drivers/net/wireless/wl12xx/wl1271_main.c +++ b/drivers/net/wireless/wl12xx/wl1271_main.c @@ -621,7 +621,9 @@ static int wl1271_chip_wakeup(struct wl1271 *wl) int ret = 0; msleep(WL1271_PRE_POWER_ON_SLEEP); - wl1271_power_on(wl); + ret = wl1271_power_on(wl); + if (ret < 0) + goto out; msleep(WL1271_POWER_ON_SLEEP); wl1271_io_reset(wl); wl1271_io_init(wl); diff --git a/drivers/net/wireless/wl12xx/wl1271_sdio.c b/drivers/net/wireless/wl12xx/wl1271_sdio.c index b5d9565..1d5dc72 100644 --- a/drivers/net/wireless/wl12xx/wl1271_sdio.c +++ b/drivers/net/wireless/wl12xx/wl1271_sdio.c @@ -159,35 +159,38 @@ static void wl1271_sdio_raw_write(struct wl1271 *wl, int addr, void *buf, wl1271_error("sdio write failed (%d)", ret); } -static void wl1271_sdio_power_on(struct wl1271 *wl) +static int wl1271_sdio_power_on(struct wl1271 *wl) { struct sdio_func *func = wl_to_func(wl); sdio_claim_host(func); sdio_enable_func(func); sdio_release_host(func); + + return 0; } -static void wl1271_sdio_power_off(struct wl1271 *wl) +static int wl1271_sdio_power_off(struct wl1271 *wl) { struct sdio_func *func = wl_to_func(wl); sdio_claim_host(func); sdio_disable_func(func); sdio_release_host(func); + + return 0; } -static void wl1271_sdio_set_power(struct wl1271 *wl, bool enable) +static int wl1271_sdio_set_power(struct wl1271 *wl, bool enable) { /* Let the SDIO stack handle wlan_enable control, so we * keep host claimed while wlan is in use to keep wl1271 * alive. */ if (enable) - wl1271_sdio_power_on(wl); + return wl1271_sdio_power_on(wl); else - wl1271_sdio_power_off(wl); - + return wl1271_sdio_power_off(wl); } static struct wl1271_if_operations sdio_ops = { diff --git a/drivers/net/wireless/wl12xx/wl1271_spi.c b/drivers/net/wireless/wl12xx/wl1271_spi.c index c3fdab7..de56d8d 100644 --- a/drivers/net/wireless/wl12xx/wl1271_spi.c +++ b/drivers/net/wireless/wl12xx/wl1271_spi.c @@ -312,10 +312,12 @@ static irqreturn_t wl1271_irq(int irq, void *cookie) return IRQ_HANDLED; } -static void wl1271_spi_set_power(struct wl1271 *wl, bool enable) +static int wl1271_spi_set_power(struct wl1271 *wl, bool enable) { if (wl->set_power) wl->set_power(enable); + + return 0; } static struct wl1271_if_operations spi_ops = {