From patchwork Wed Apr 20 03:31:13 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: qiujiang X-Patchwork-Id: 612472 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3qqS6v2pBGz9t3f for ; Wed, 20 Apr 2016 13:29:43 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753332AbcDTD3X (ORCPT ); Tue, 19 Apr 2016 23:29:23 -0400 Received: from szxga01-in.huawei.com ([58.251.152.64]:31581 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752757AbcDTD3V (ORCPT ); Tue, 19 Apr 2016 23:29:21 -0400 Received: from 172.24.1.60 (EHLO szxeml422-hub.china.huawei.com) ([172.24.1.60]) by szxrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DJC05837; Wed, 20 Apr 2016 11:22:24 +0800 (CST) Received: from linux-ioko.site (10.71.200.31) by szxeml422-hub.china.huawei.com (10.82.67.152) with Microsoft SMTP Server id 14.3.235.1; Wed, 20 Apr 2016 11:22:15 +0800 From: Jiang Qiu To: , CC: , , , , , , , , , Jiang Qiu Subject: [PATCH v8 2/3] gpio: dwapb: convert device node to fwnode Date: Wed, 20 Apr 2016 11:31:13 +0800 Message-ID: <1461123074-64205-3-git-send-email-qiujiang@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1461123074-64205-1-git-send-email-qiujiang@huawei.com> References: <1461123074-64205-1-git-send-email-qiujiang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.71.200.31] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090204.5716F5F4.002D, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 35caca4fe50c324cd70f99411a62f9dd Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org This patch converts device node to fwnode for dwapb driver, so as to provide a unified fwnode for DT and ACPI bindings. Tested-by: Alan Tull Acked-by: Andy Shevchenko Signed-off-by: Jiang Qiu --- drivers/gpio/gpio-dwapb.c | 37 ++++++++++++++++---------------- drivers/mfd/intel_quark_i2c_gpio.c | 2 +- include/linux/platform_data/gpio-dwapb.h | 2 +- 3 files changed, 20 insertions(+), 21 deletions(-) diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c index ea04172..7258cc5 100644 --- a/drivers/gpio/gpio-dwapb.c +++ b/drivers/gpio/gpio-dwapb.c @@ -22,6 +22,7 @@ #include #include #include +#include #include #include #include @@ -290,14 +291,14 @@ static void dwapb_configure_irqs(struct dwapb_gpio *gpio, struct dwapb_port_property *pp) { struct gpio_chip *gc = &port->gc; - struct device_node *node = pp->node; + struct fwnode_handle *fwnode = pp->fwnode; struct irq_chip_generic *irq_gc = NULL; unsigned int hwirq, ngpio = gc->ngpio; struct irq_chip_type *ct; int err, i; - gpio->domain = irq_domain_add_linear(node, ngpio, - &irq_generic_chip_ops, gpio); + gpio->domain = irq_domain_create_linear(fwnode, ngpio, + &irq_generic_chip_ops, gpio); if (!gpio->domain) return; @@ -415,7 +416,8 @@ static int dwapb_gpio_add_port(struct dwapb_gpio *gpio, } #ifdef CONFIG_OF_GPIO - port->gc.of_node = pp->node; + port->gc.of_node = is_of_node(pp->fwnode) ? + to_of_node(pp->fwnode) : NULL; #endif port->gc.ngpio = pp->ngpio; port->gc.base = pp->gpio_base; @@ -447,19 +449,15 @@ static void dwapb_gpio_unregister(struct dwapb_gpio *gpio) } static struct dwapb_platform_data * -dwapb_gpio_get_pdata_of(struct device *dev) +dwapb_gpio_get_pdata(struct device *dev) { - struct device_node *node, *port_np; + struct fwnode_handle *fwnode; struct dwapb_platform_data *pdata; struct dwapb_port_property *pp; int nports; int i; - node = dev->of_node; - if (!IS_ENABLED(CONFIG_OF_GPIO) || !node) - return ERR_PTR(-ENODEV); - - nports = of_get_child_count(node); + nports = device_get_child_node_count(dev); if (nports == 0) return ERR_PTR(-ENODEV); @@ -474,18 +472,18 @@ dwapb_gpio_get_pdata_of(struct device *dev) pdata->nports = nports; i = 0; - for_each_child_of_node(node, port_np) { + device_for_each_child_node(dev, fwnode) { pp = &pdata->properties[i++]; - pp->node = port_np; + pp->fwnode = fwnode; - if (of_property_read_u32(port_np, "reg", &pp->idx) || + if (fwnode_property_read_u32(fwnode, "reg", &pp->idx) || pp->idx >= DWAPB_MAX_PORTS) { dev_err(dev, "missing/invalid port index for port%d\n", i); return ERR_PTR(-EINVAL); } - if (of_property_read_u32(port_np, "snps,nr-gpios", + if (fwnode_property_read_u32(fwnode, "snps,nr-gpios", &pp->ngpio)) { dev_info(dev, "failed to get number of gpios for port%d\n", @@ -497,9 +495,10 @@ dwapb_gpio_get_pdata_of(struct device *dev) * Only port A can provide interrupts in all configurations of * the IP. */ - if (pp->idx == 0 && - of_property_read_bool(port_np, "interrupt-controller")) { - pp->irq = irq_of_parse_and_map(port_np, 0); + if (dev->of_node && pp->idx == 0 && + fwnode_property_read_bool(fwnode, + "interrupt-controller")) { + pp->irq = irq_of_parse_and_map(to_of_node(fwnode), 0); if (!pp->irq) dev_warn(dev, "no irq for port%d\n", pp->idx); } @@ -521,7 +520,7 @@ static int dwapb_gpio_probe(struct platform_device *pdev) struct dwapb_platform_data *pdata = dev_get_platdata(dev); if (!pdata) { - pdata = dwapb_gpio_get_pdata_of(dev); + pdata = dwapb_gpio_get_pdata(dev); if (IS_ERR(pdata)) return PTR_ERR(pdata); } diff --git a/drivers/mfd/intel_quark_i2c_gpio.c b/drivers/mfd/intel_quark_i2c_gpio.c index a4ef99b..a24b35f 100644 --- a/drivers/mfd/intel_quark_i2c_gpio.c +++ b/drivers/mfd/intel_quark_i2c_gpio.c @@ -219,7 +219,7 @@ static int intel_quark_gpio_setup(struct pci_dev *pdev, struct mfd_cell *cell) return -ENOMEM; /* Set the properties for portA */ - pdata->properties->node = NULL; + pdata->properties->fwnode = NULL; pdata->properties->idx = 0; pdata->properties->ngpio = INTEL_QUARK_MFD_NGPIO; pdata->properties->gpio_base = INTEL_QUARK_MFD_GPIO_BASE; diff --git a/include/linux/platform_data/gpio-dwapb.h b/include/linux/platform_data/gpio-dwapb.h index 955b579..2dc7f4a 100644 --- a/include/linux/platform_data/gpio-dwapb.h +++ b/include/linux/platform_data/gpio-dwapb.h @@ -15,7 +15,7 @@ #define GPIO_DW_APB_H struct dwapb_port_property { - struct device_node *node; + struct fwnode_handle *fwnode; unsigned int idx; unsigned int ngpio; unsigned int gpio_base;