From patchwork Mon Aug 29 10:24:56 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King (Oracle)" X-Patchwork-Id: 9303525 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B267A601C0 for ; Mon, 29 Aug 2016 10:45:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A1922286E5 for ; Mon, 29 Aug 2016 10:45:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9339B286DD; Mon, 29 Aug 2016 10:45:28 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 2872D286DD for ; Mon, 29 Aug 2016 10:45:27 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1beK3S-0007EV-S5; Mon, 29 Aug 2016 10:44:38 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:3201:214:fdff:fe10:1be6]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1beJlN-0004YV-Oy for linux-arm-kernel@lists.infradead.org; Mon, 29 Aug 2016 10:26:06 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2014; h=Date:Sender:Message-Id:Content-Type:Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:References:In-Reply-To; bh=HsHlAVe/JDNDDaQyMiMEjYJDhmR4IPJ5UsiiAmpkrJU=; b=Nf8hq03v8xNQi66mjsSWn8JF9I6FY3PoodhEa6SqLt+zp0HGIutaa0mdd/171KRyeMCRD8Fu+EPRNOOupxpBNsiHZnOehTW70HIGAr4tfus1/czkq5Z0ZIk7ubfLSrJS+CeVxugaN05DhjhAnQvUIIhIG5L3/KcvRb1Rigb9Xag=; Received: from e0022681537dd.dyn.armlinux.org.uk ([2001:4d48:ad52:3201:222:68ff:fe15:37dd]:50774 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1beJkY-0003eM-0P; Mon, 29 Aug 2016 11:25:06 +0100 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1beJkO-0000mg-Lu; Mon, 29 Aug 2016 11:24:56 +0100 In-Reply-To: <20160829102328.GA28796@n2100.armlinux.org.uk> References: <20160829102328.GA28796@n2100.armlinux.org.uk> From: Russell King To: linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org, linux-pcmcia@lists.infradead.org Subject: [PATCH 10/33] pcmcia: soc_common: switch to using gpio_descs MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Mon, 29 Aug 2016 11:24:56 +0100 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160829_032559_303217_603C4578 X-CRM114-Status: GOOD ( 17.34 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexandre Courbot , Linus Walleij , Haojian Zhuang , Kristoffer Ericson , Robert Jarzmik , Daniel Mack Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Switch to using the gpiod_* consumer API rather than the legacy API. Signed-off-by: Russell King Tested-by: Linus Walleij --- drivers/pcmcia/soc_common.c | 57 +++++++++++++++++++++++++++++++++------------ drivers/pcmcia/soc_common.h | 3 +++ 2 files changed, 45 insertions(+), 15 deletions(-) diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c index d5ca760c4eb2..5d167512e96e 100644 --- a/drivers/pcmcia/soc_common.c +++ b/drivers/pcmcia/soc_common.c @@ -33,6 +33,7 @@ #include #include +#include #include #include #include @@ -114,8 +115,8 @@ static void __soc_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt, for (i = 0; i < nr; i++) { if (skt->stat[i].irq) free_irq(skt->stat[i].irq, skt); - if (gpio_is_valid(skt->stat[i].gpio)) - gpio_free(skt->stat[i].gpio); + if (skt->stat[i].desc) + gpiod_put(skt->stat[i].desc); } if (skt->ops->hw_shutdown) @@ -129,6 +130,30 @@ static void soc_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) __soc_pcmcia_hw_shutdown(skt, ARRAY_SIZE(skt->stat)); } +int soc_pcmcia_request_gpiods(struct soc_pcmcia_socket *skt) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(skt->stat); i++) { + struct gpio_desc *desc; + + desc = gpiod_get(skt->socket.dev.parent, + skt->stat[i].name, GPIOD_IN); + if (IS_ERR(desc)) { + dev_err(skt->socket.dev.parent, + "Failed to get GPIO for %s: %ld\n", + skt->stat[i].name, PTR_ERR(desc)); + __soc_pcmcia_hw_shutdown(skt, i); + return PTR_ERR(desc); + } + + skt->stat[i].desc = desc; + } + + return 0; +} +EXPORT_SYMBOL_GPL(soc_pcmcia_request_gpiods); + static int soc_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { int ret = 0, i; @@ -143,8 +168,6 @@ static int soc_pcmcia_hw_init(struct soc_pcmcia_socket *skt) for (i = 0; i < ARRAY_SIZE(skt->stat); i++) { if (gpio_is_valid(skt->stat[i].gpio)) { - int irq; - ret = gpio_request_one(skt->stat[i].gpio, GPIOF_IN, skt->stat[i].name); if (ret) { @@ -152,7 +175,11 @@ static int soc_pcmcia_hw_init(struct soc_pcmcia_socket *skt) return ret; } - irq = gpio_to_irq(skt->stat[i].gpio); + skt->stat[i].desc = gpio_to_desc(skt->stat[i].gpio); + } + + if (skt->stat[i].desc) { + int irq = gpiod_to_irq(skt->stat[i].desc); if (i == SOC_STAT_RDY) skt->socket.pci_irq = irq; @@ -166,8 +193,8 @@ static int soc_pcmcia_hw_init(struct soc_pcmcia_socket *skt) IRQF_TRIGGER_NONE, skt->stat[i].name, skt); if (ret) { - if (gpio_is_valid(skt->stat[i].gpio)) - gpio_free(skt->stat[i].gpio); + if (skt->stat[i].desc) + gpiod_put(skt->stat[i].desc); __soc_pcmcia_hw_shutdown(skt, i); return ret; } @@ -209,16 +236,16 @@ static unsigned int soc_common_pcmcia_skt_state(struct soc_pcmcia_socket *skt) state.bvd2 = 1; /* CD is active low by default */ - if (gpio_is_valid(skt->stat[SOC_STAT_CD].gpio)) - state.detect = !gpio_get_value(skt->stat[SOC_STAT_CD].gpio); + if (skt->stat[SOC_STAT_CD].desc) + state.detect = !gpiod_get_raw_value(skt->stat[SOC_STAT_CD].desc); /* RDY and BVD are active high by default */ - if (gpio_is_valid(skt->stat[SOC_STAT_RDY].gpio)) - state.ready = !!gpio_get_value(skt->stat[SOC_STAT_RDY].gpio); - if (gpio_is_valid(skt->stat[SOC_STAT_BVD1].gpio)) - state.bvd1 = !!gpio_get_value(skt->stat[SOC_STAT_BVD1].gpio); - if (gpio_is_valid(skt->stat[SOC_STAT_BVD2].gpio)) - state.bvd2 = !!gpio_get_value(skt->stat[SOC_STAT_BVD2].gpio); + if (skt->stat[SOC_STAT_RDY].desc) + state.ready = !!gpiod_get_value(skt->stat[SOC_STAT_RDY].desc); + if (skt->stat[SOC_STAT_BVD1].desc) + state.bvd1 = !!gpiod_get_value(skt->stat[SOC_STAT_BVD1].desc); + if (skt->stat[SOC_STAT_BVD2].desc) + state.bvd2 = !!gpiod_get_value(skt->stat[SOC_STAT_BVD2].desc); skt->ops->socket_state(skt, &state); diff --git a/drivers/pcmcia/soc_common.h b/drivers/pcmcia/soc_common.h index 94762a54d731..ee40db16dc40 100644 --- a/drivers/pcmcia/soc_common.h +++ b/drivers/pcmcia/soc_common.h @@ -17,6 +17,7 @@ struct device; +struct gpio_desc; struct pcmcia_low_level; /* @@ -52,6 +53,7 @@ struct soc_pcmcia_socket { struct { int gpio; + struct gpio_desc *desc; unsigned int irq; const char *name; } stat[4]; @@ -136,6 +138,7 @@ void soc_pcmcia_init_one(struct soc_pcmcia_socket *skt, struct pcmcia_low_level *ops, struct device *dev); void soc_pcmcia_remove_one(struct soc_pcmcia_socket *skt); int soc_pcmcia_add_one(struct soc_pcmcia_socket *skt); +int soc_pcmcia_request_gpiods(struct soc_pcmcia_socket *skt); #ifdef CONFIG_PCMCIA_DEBUG