From patchwork Sun Feb 17 16:02:10 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Haojian Zhuang X-Patchwork-Id: 14941 Return-Path: X-Original-To: patchwork@peony.canonical.com Delivered-To: patchwork@peony.canonical.com Received: from fiordland.canonical.com (fiordland.canonical.com [91.189.94.145]) by peony.canonical.com (Postfix) with ESMTP id 4781323E0D for ; Sun, 17 Feb 2013 16:02:28 +0000 (UTC) Received: from mail-vc0-f174.google.com (mail-vc0-f174.google.com [209.85.220.174]) by fiordland.canonical.com (Postfix) with ESMTP id D8394A18240 for ; Sun, 17 Feb 2013 16:02:27 +0000 (UTC) Received: by mail-vc0-f174.google.com with SMTP id n11so3062103vch.19 for ; Sun, 17 Feb 2013 08:02:27 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-received:x-forwarded-to:x-forwarded-for:delivered-to:x-received :received-spf:x-received:from:to:cc:subject:date:message-id:x-mailer :x-gm-message-state; bh=uwjbZba/WjMXA3qnnPiAhHfHzAVpZRjL0IktTeYn55Y=; b=A0Fd0877htP1RkjCYPYDpICfeS5wEufO1Cq1bYAxKqnUerPcX4ifdl06idCqqUJKsD B7v5jU4p/DSvKSVCyX17kT1N7r3Xxb5oTDVIzac6GwFYtJeh9PpE8OE5j9ZW/DCT9jim SI8syBF0Y8hFQQL8YvagLHJOJJcoiwzBxavX81z7KyvnI/5tEgsa4jtioTzrgWLi9ikv n0bcFL926y08in2FbAauQF2eKd9EbuIODBgZ+qPUPEkyOciJAujdIYuopMgWKgOPNQkc W4msl9obRvnc+PQzh4acxZA2fc5QEakWbW3pGDVcWwYO/0bktZkefvoZoGeevKIko6aO aLOA== X-Received: by 10.58.181.201 with SMTP id dy9mr12264913vec.34.1361116947270; Sun, 17 Feb 2013 08:02:27 -0800 (PST) X-Forwarded-To: linaro-patchwork@canonical.com X-Forwarded-For: patch@linaro.org linaro-patchwork@canonical.com Delivered-To: patches@linaro.org Received: by 10.58.145.101 with SMTP id st5csp51511veb; Sun, 17 Feb 2013 08:02:26 -0800 (PST) X-Received: by 10.68.12.103 with SMTP id x7mr22519149pbb.37.1361116945846; Sun, 17 Feb 2013 08:02:25 -0800 (PST) Received: from mail-pb0-f41.google.com (mail-pb0-f41.google.com [209.85.160.41]) by mx.google.com with ESMTPS id tp2si10198698pbc.45.2013.02.17.08.02.24 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sun, 17 Feb 2013 08:02:25 -0800 (PST) Received-SPF: neutral (google.com: 209.85.160.41 is neither permitted nor denied by best guess record for domain of haojian.zhuang@linaro.org) client-ip=209.85.160.41; Authentication-Results: mx.google.com; spf=neutral (google.com: 209.85.160.41 is neither permitted nor denied by best guess record for domain of haojian.zhuang@linaro.org) smtp.mail=haojian.zhuang@linaro.org Received: by mail-pb0-f41.google.com with SMTP id um15so1275718pbc.14 for ; Sun, 17 Feb 2013 08:02:24 -0800 (PST) X-Received: by 10.68.224.225 with SMTP id rf1mr22954569pbc.9.1361116944084; Sun, 17 Feb 2013 08:02:24 -0800 (PST) Received: from localhost.localdomain ([140.206.155.69]) by mx.google.com with ESMTPS id 1sm11458999pbg.18.2013.02.17.08.02.16 (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sun, 17 Feb 2013 08:02:22 -0800 (PST) From: Haojian Zhuang To: grinberg@compulab.co.il, linus.walleij@linaro.org, linux@arm.linux.org.uk, marek.vasut@gmail.com, robert.jarzmik@free.fr, daniel@caiaq.de, linux-arm-kernel@lists.infradead.org, grant.likely@secretlab.ca, cxie4@marvell.com Cc: patches@linaro.org, Haojian Zhuang Subject: [PATCH] gpio: pxa: add irq base in platform data Date: Mon, 18 Feb 2013 00:02:10 +0800 Message-Id: <1361116930-31038-1-git-send-email-haojian.zhuang@linaro.org> X-Mailer: git-send-email 1.7.10.4 X-Gm-Message-State: ALoCoQmeeF2q+9g1sYH9wCu1IkelhKylzs+YoBh6SgeMU4d/gPyvCmTXrIeYZ3qwg58jJuqN5lIS Macro PXA_GPIO_TO_IRQ() & MMP_GPIO_TO_IRQ() is used in machine driver without DT. Although we're allocating irq descriptions dynamically, it may break machine drivers without DT. Append pdata->irq_base. If irq_base is valid, allocate irq descriptions from irq_base. Signed-off-by: Haojian Zhuang --- arch/arm/mach-mmp/aspenite.c | 1 + arch/arm/mach-mmp/avengers_lite.c | 1 + arch/arm/mach-mmp/brownstone.c | 1 + arch/arm/mach-mmp/flint.c | 1 + arch/arm/mach-mmp/gplugd.c | 1 + arch/arm/mach-mmp/tavorevb.c | 1 + arch/arm/mach-mmp/teton_bga.c | 1 + arch/arm/mach-mmp/ttc_dkb.c | 1 + arch/arm/mach-pxa/pxa25x.c | 1 + arch/arm/mach-pxa/pxa27x.c | 1 + arch/arm/mach-pxa/pxa3xx.c | 1 + drivers/gpio/gpio-pxa.c | 15 ++++++++++----- include/linux/gpio-pxa.h | 1 + 13 files changed, 22 insertions(+), 5 deletions(-) diff --git a/arch/arm/mach-mmp/aspenite.c b/arch/arm/mach-mmp/aspenite.c index a3e42dc..a160efc 100644 --- a/arch/arm/mach-mmp/aspenite.c +++ b/arch/arm/mach-mmp/aspenite.c @@ -113,6 +113,7 @@ static unsigned long common_pin_config[] __initdata = { static struct pxa_gpio_platform_data pxa168_gpio_pdata = { .nr_gpios = 128, + .irq_base = IRQ_GPIO_START, .ed_mask = true, }; diff --git a/arch/arm/mach-mmp/avengers_lite.c b/arch/arm/mach-mmp/avengers_lite.c index 1ea6502..5c8c93d 100644 --- a/arch/arm/mach-mmp/avengers_lite.c +++ b/arch/arm/mach-mmp/avengers_lite.c @@ -35,6 +35,7 @@ static unsigned long avengers_lite_pin_config_V16F[] __initdata = { static struct pxa_gpio_platform_data pxa168_gpio_pdata = { .nr_gpios = 128, + .irq_base = IRQ_GPIO_START, .ed_mask = true, }; diff --git a/arch/arm/mach-mmp/brownstone.c b/arch/arm/mach-mmp/brownstone.c index a32156f..ba9f3a1 100644 --- a/arch/arm/mach-mmp/brownstone.c +++ b/arch/arm/mach-mmp/brownstone.c @@ -107,6 +107,7 @@ static unsigned long brownstone_pin_config[] __initdata = { static struct pxa_gpio_platform_data mmp2_gpio_pdata = { .nr_gpios = 192, + .irq_base = IRQ_GPIO_START, .ed_mask = true, }; diff --git a/arch/arm/mach-mmp/flint.c b/arch/arm/mach-mmp/flint.c index 3f301b5..544c03a 100644 --- a/arch/arm/mach-mmp/flint.c +++ b/arch/arm/mach-mmp/flint.c @@ -80,6 +80,7 @@ static unsigned long flint_pin_config[] __initdata = { static struct pxa_gpio_platform_data mmp2_gpio_pdata = { .nr_gpios = 192, + .irq_base = IRQ_GPIO_START, .ed_mask = true, }; diff --git a/arch/arm/mach-mmp/gplugd.c b/arch/arm/mach-mmp/gplugd.c index 019b178..1df8b5a 100644 --- a/arch/arm/mach-mmp/gplugd.c +++ b/arch/arm/mach-mmp/gplugd.c @@ -130,6 +130,7 @@ static unsigned long gplugd_pin_config[] __initdata = { static struct pxa_gpio_platform_data pxa168_gpio_pdata = { .nr_gpios = 128, + .irq_base = IRQ_GPIO_START, .ed_mask = true, }; diff --git a/arch/arm/mach-mmp/tavorevb.c b/arch/arm/mach-mmp/tavorevb.c index 6e8cf80..37a181a 100644 --- a/arch/arm/mach-mmp/tavorevb.c +++ b/arch/arm/mach-mmp/tavorevb.c @@ -63,6 +63,7 @@ static unsigned long tavorevb_pin_config[] __initdata = { static struct pxa_gpio_platform_data ttc_dkb_gpio_pdata = { .nr_gpios = 128, + .irq_base = IRQ_GPIO_START, .ed_mask = true, }; diff --git a/arch/arm/mach-mmp/teton_bga.c b/arch/arm/mach-mmp/teton_bga.c index b5146bb..cace3b5 100644 --- a/arch/arm/mach-mmp/teton_bga.c +++ b/arch/arm/mach-mmp/teton_bga.c @@ -52,6 +52,7 @@ static unsigned long teton_bga_pin_config[] __initdata = { static struct pxa_gpio_platform_data pxa168_gpio_pdata = { .nr_gpios = 128, + .irq_base = IRQ_GPIO_START, .ed_mask = true, }; diff --git a/arch/arm/mach-mmp/ttc_dkb.c b/arch/arm/mach-mmp/ttc_dkb.c index 387e3f8..a824285 100644 --- a/arch/arm/mach-mmp/ttc_dkb.c +++ b/arch/arm/mach-mmp/ttc_dkb.c @@ -78,6 +78,7 @@ static unsigned long ttc_dkb_pin_config[] __initdata = { static struct pxa_gpio_platform_data ttc_dkb_gpio_pdata = { .nr_gpios = 128, + .irq_base = IRQ_GPIO_START, .ed_mask = true, }; diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c index ff91660..2646654 100644 --- a/arch/arm/mach-pxa/pxa25x.c +++ b/arch/arm/mach-pxa/pxa25x.c @@ -346,6 +346,7 @@ static struct pxa_gpio_platform_data pxa25x_gpio_info __initdata = { #else .nr_gpios = 85, #endif + .irq_base = PXA_GPIO_IRQ_BASE, .gafr = true, .gpio_set_wake = gpio_set_wake, }; diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index e478ec8..9f44c4b 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -433,6 +433,7 @@ void __init pxa27x_set_i2c_power_info(struct i2c_pxa_platform_data *info) static struct pxa_gpio_platform_data pxa27x_gpio_info __initdata = { .gafr = true, .nr_gpios = 121, + .irq_base = PXA_GPIO_IRQ_BASE, .gpio_set_wake = gpio_set_wake, }; diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c index f6bff16..7506879 100644 --- a/arch/arm/mach-pxa/pxa3xx.c +++ b/arch/arm/mach-pxa/pxa3xx.c @@ -438,6 +438,7 @@ void __init pxa3xx_set_i2c_power_info(struct i2c_pxa_platform_data *info) static struct pxa_gpio_platform_data pxa3xx_gpio_info __initdata = { .nr_gpios = 128, + .irq_base = PXA_GPIO_IRQ_BASE, }; static struct platform_device *devices[] __initdata = { diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c index c9cc636..35cdb23 100644 --- a/drivers/gpio/gpio-pxa.c +++ b/drivers/gpio/gpio-pxa.c @@ -451,9 +451,10 @@ static int pxa_gpio_probe_dt(struct platform_device *pdev) #endif static int pxa_init_gpio_chip(struct platform_device *pdev, int gpio_end, - int (*set_wake)(unsigned int, unsigned int)) + struct pxa_gpio_platform_data *pdata) { int i, gpio, nbanks = gpio_to_bank(gpio_end) + 1; + int irq_base; struct pxa_gpio_chip *chips; struct device_node *next = NULL, *np = NULL; @@ -473,12 +474,17 @@ static int pxa_init_gpio_chip(struct platform_device *pdev, int gpio_end, sprintf(chips[i].label, "gpio-%d", i); chips[i].regbase = gpio_reg_base + BANK_OFF(i); - chips[i].set_wake = set_wake; + if (pdata->gpio_set_wake) + chips[i].set_wake = pdata->gpio_set_wake; /* number of GPIOs on last bank may be less than 32 */ gc->ngpio = (gpio + 31 > gpio_end) ? (gpio_end - gpio + 1) : 32; - chips[i].irq_base = irq_alloc_descs(-1, 0, gc->ngpio, 0); + if (pdata->irq_base) + irq_base = pdata->irq_base + gpio; + else + irq_base = -1; + chips[i].irq_base = irq_alloc_descs(irq_base, 0, gc->ngpio, 0); if (chips[i].irq_base < 0) return -EINVAL; if (!irq_domain_add_legacy(pdev->dev.of_node, gc->ngpio, @@ -557,8 +563,7 @@ static int pxa_gpio_probe(struct platform_device *pdev) /* Initialize GPIO chips */ pdata = dev_get_platdata(&pdev->dev); pxa_last_gpio = pdata->nr_gpios - 1; - ret = pxa_init_gpio_chip(pdev, pxa_last_gpio, - pdata ? pdata->gpio_set_wake : NULL); + ret = pxa_init_gpio_chip(pdev, pxa_last_gpio, pdata); if (ret < 0) return ret; diff --git a/include/linux/gpio-pxa.h b/include/linux/gpio-pxa.h index b357fdc..0d5e6db 100644 --- a/include/linux/gpio-pxa.h +++ b/include/linux/gpio-pxa.h @@ -20,6 +20,7 @@ struct pxa_gpio_platform_data { bool inverted; /* only valid for PXA26x */ bool gafr; /* only valid for PXA25x/PXA26x/PXA27x */ unsigned nr_gpios; + int irq_base; int (*gpio_set_wake)(unsigned int gpio, unsigned int on); };