diff options
Diffstat (limited to 'drivers/gpio')
27 files changed, 224 insertions, 225 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 8b40b38f26c7..d476880c6fff 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -387,7 +387,7 @@ config GPIO_LANGWELL Say Y here to support Intel Langwell/Penwell GPIO. config GPIO_PCH - tristate "Intel EG20T PCH / OKI SEMICONDUCTOR ML7223 IOH GPIO" + tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7223/ML7831) GPIO" depends on PCI && X86 select GENERIC_IRQ_CHIP help @@ -395,11 +395,12 @@ config GPIO_PCH which is an IOH(Input/Output Hub) for x86 embedded processor. This driver can access PCH GPIO device. - This driver also can be used for OKI SEMICONDUCTOR IOH(Input/ - Output Hub), ML7223. + This driver also can be used for LAPIS Semiconductor IOH(Input/ + Output Hub), ML7223 and ML7831. ML7223 IOH is for MP(Media Phone) use. - ML7223 is companion chip for Intel Atom E6xx series. - ML7223 is completely compatible for Intel EG20T PCH. + ML7831 IOH is for general purpose use. + ML7223/ML7831 is companion chip for Intel Atom E6xx series. + ML7223/ML7831 is completely compatible for Intel EG20T PCH. config GPIO_ML_IOH tristate "OKI SEMICONDUCTOR ML7213 IOH GPIO support" diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index dbcb0bcfd8da..4e018d6a7639 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -18,7 +18,7 @@ obj-$(CONFIG_ARCH_DAVINCI) += gpio-davinci.o obj-$(CONFIG_GPIO_EP93XX) += gpio-ep93xx.o obj-$(CONFIG_GPIO_IT8761E) += gpio-it8761e.o obj-$(CONFIG_GPIO_JANZ_TTL) += gpio-janz-ttl.o -obj-$(CONFIG_MACH_KS8695) += gpio-ks8695.o +obj-$(CONFIG_ARCH_KS8695) += gpio-ks8695.o obj-$(CONFIG_GPIO_LANGWELL) += gpio-langwell.o obj-$(CONFIG_ARCH_LPC32XX) += gpio-lpc32xx.o obj-$(CONFIG_GPIO_MAX730X) += gpio-max730x.o diff --git a/drivers/gpio/gpio-adp5520.c b/drivers/gpio/gpio-adp5520.c index 9f2781537001..2f263cc32561 100644 --- a/drivers/gpio/gpio-adp5520.c +++ b/drivers/gpio/gpio-adp5520.c @@ -193,17 +193,7 @@ static struct platform_driver adp5520_gpio_driver = { .remove = __devexit_p(adp5520_gpio_remove), }; -static int __init adp5520_gpio_init(void) -{ - return platform_driver_register(&adp5520_gpio_driver); -} -module_init(adp5520_gpio_init); - -static void __exit adp5520_gpio_exit(void) -{ - platform_driver_unregister(&adp5520_gpio_driver); -} -module_exit(adp5520_gpio_exit); +module_platform_driver(adp5520_gpio_driver); MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); MODULE_DESCRIPTION("GPIO ADP5520 Driver"); diff --git a/drivers/gpio/gpio-adp5588.c b/drivers/gpio/gpio-adp5588.c index 3525ad918771..9ad1703d1408 100644 --- a/drivers/gpio/gpio-adp5588.c +++ b/drivers/gpio/gpio-adp5588.c @@ -418,9 +418,8 @@ static int __devinit adp5588_gpio_probe(struct i2c_client *client, if (ret) goto err_irq; - dev_info(&client->dev, "gpios %d..%d (IRQ Base %d) on a %s Rev. %d\n", - gc->base, gc->base + gc->ngpio - 1, - pdata->irq_base, client->name, revid); + dev_info(&client->dev, "IRQ Base: %d Rev.: %d\n", + pdata->irq_base, revid); if (pdata->setup) { ret = pdata->setup(client, gc->base, gc->ngpio, pdata->context); diff --git a/drivers/gpio/gpio-bt8xx.c b/drivers/gpio/gpio-bt8xx.c index ec57936aef62..5ca4098ba092 100644 --- a/drivers/gpio/gpio-bt8xx.c +++ b/drivers/gpio/gpio-bt8xx.c @@ -223,9 +223,6 @@ static int bt8xxgpio_probe(struct pci_dev *dev, goto err_release_mem; } - printk(KERN_INFO "bt8xxgpio: Abusing BT8xx card for GPIOs %d to %d\n", - bg->gpio.base, bg->gpio.base + BT8XXGPIO_NR_GPIOS - 1); - return 0; err_release_mem: diff --git a/drivers/gpio/gpio-cs5535.c b/drivers/gpio/gpio-cs5535.c index 6e16cba56ad2..19eda1bbe343 100644 --- a/drivers/gpio/gpio-cs5535.c +++ b/drivers/gpio/gpio-cs5535.c @@ -347,7 +347,6 @@ static int __devinit cs5535_gpio_probe(struct platform_device *pdev) if (err) goto release_region; - dev_info(&pdev->dev, "GPIO support successfully loaded.\n"); return 0; release_region: @@ -382,18 +381,7 @@ static struct platform_driver cs5535_gpio_driver = { .remove = __devexit_p(cs5535_gpio_remove), }; -static int __init cs5535_gpio_init(void) -{ - return platform_driver_register(&cs5535_gpio_driver); -} - -static void __exit cs5535_gpio_exit(void) -{ - platform_driver_unregister(&cs5535_gpio_driver); -} - -module_init(cs5535_gpio_init); -module_exit(cs5535_gpio_exit); +module_platform_driver(cs5535_gpio_driver); MODULE_AUTHOR("Andres Salomon <dilinger@queued.net>"); MODULE_DESCRIPTION("AMD CS5535/CS5536 GPIO driver"); diff --git a/drivers/gpio/gpio-da9052.c b/drivers/gpio/gpio-da9052.c index 038f5eb8b13d..56dd047d5844 100644 --- a/drivers/gpio/gpio-da9052.c +++ b/drivers/gpio/gpio-da9052.c @@ -22,7 +22,6 @@ #include <linux/mfd/da9052/da9052.h> #include <linux/mfd/da9052/reg.h> #include <linux/mfd/da9052/pdata.h> -#include <linux/mfd/da9052/gpio.h> #define DA9052_INPUT 1 #define DA9052_OUTPUT_OPENDRAIN 2 @@ -43,6 +42,9 @@ #define DA9052_GPIO_MASK_UPPER_NIBBLE 0xF0 #define DA9052_GPIO_MASK_LOWER_NIBBLE 0x0F #define DA9052_GPIO_NIBBLE_SHIFT 4 +#define DA9052_IRQ_GPI0 16 +#define DA9052_GPIO_ODD_SHIFT 7 +#define DA9052_GPIO_EVEN_SHIFT 3 struct da9052_gpio { struct da9052 *da9052; @@ -104,33 +106,26 @@ static int da9052_gpio_get(struct gpio_chip *gc, unsigned offset) static void da9052_gpio_set(struct gpio_chip *gc, unsigned offset, int value) { struct da9052_gpio *gpio = to_da9052_gpio(gc); - unsigned char register_value = 0; int ret; if (da9052_gpio_port_odd(offset)) { - if (value) { - register_value = DA9052_GPIO_ODD_PORT_MODE; ret = da9052_reg_update(gpio->da9052, (offset >> 1) + DA9052_GPIO_0_1_REG, DA9052_GPIO_ODD_PORT_MODE, - register_value); + value << DA9052_GPIO_ODD_SHIFT); if (ret != 0) dev_err(gpio->da9052->dev, "Failed to updated gpio odd reg,%d", ret); - } } else { - if (value) { - register_value = DA9052_GPIO_EVEN_PORT_MODE; ret = da9052_reg_update(gpio->da9052, (offset >> 1) + DA9052_GPIO_0_1_REG, DA9052_GPIO_EVEN_PORT_MODE, - register_value); + value << DA9052_GPIO_EVEN_SHIFT); if (ret != 0) dev_err(gpio->da9052->dev, "Failed to updated gpio even reg,%d", ret); - } } } @@ -201,9 +196,9 @@ static struct gpio_chip reference_gp __devinitdata = { .direction_input = da9052_gpio_direction_input, .direction_output = da9052_gpio_direction_output, .to_irq = da9052_gpio_to_irq, - .can_sleep = 1; - .ngpio = 16; - .base = -1; + .can_sleep = 1, + .ngpio = 16, + .base = -1, }; static int __devinit da9052_gpio_probe(struct platform_device *pdev) @@ -259,17 +254,7 @@ static struct platform_driver da9052_gpio_driver = { }, }; -static int __init da9052_gpio_init(void) -{ - return platform_driver_register(&da9052_gpio_driver); -} -module_init(da9052_gpio_init); - -static void __exit da9052_gpio_exit(void) -{ - return platform_driver_unregister(&da9052_gpio_driver); -} -module_exit(da9052_gpio_exit); +module_platform_driver(da9052_gpio_driver); MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>"); MODULE_DESCRIPTION("DA9052 GPIO Device Driver"); diff --git a/drivers/gpio/gpio-generic.c b/drivers/gpio/gpio-generic.c index 4e24436b0f82..e38dd0c31973 100644 --- a/drivers/gpio/gpio-generic.c +++ b/drivers/gpio/gpio-generic.c @@ -524,17 +524,7 @@ static struct platform_driver bgpio_driver = { .remove = __devexit_p(bgpio_pdev_remove), }; -static int __init bgpio_platform_init(void) -{ - return platform_driver_register(&bgpio_driver); -} -module_init(bgpio_platform_init); - -static void __exit bgpio_platform_exit(void) -{ - platform_driver_unregister(&bgpio_driver); -} -module_exit(bgpio_platform_exit); +module_platform_driver(bgpio_driver); #endif /* CONFIG_GPIO_GENERIC_PLATFORM */ diff --git a/drivers/gpio/gpio-janz-ttl.c b/drivers/gpio/gpio-janz-ttl.c index 813ac077e5d7..f2f000dd70b3 100644 --- a/drivers/gpio/gpio-janz-ttl.c +++ b/drivers/gpio/gpio-janz-ttl.c @@ -201,8 +201,6 @@ static int __devinit ttl_probe(struct platform_device *pdev) goto out_iounmap_regs; } - dev_info(&pdev->dev, "module %d: registered GPIO device\n", - pdata->modno); return 0; out_iounmap_regs: @@ -239,20 +237,9 @@ static struct platform_driver ttl_driver = { .remove = __devexit_p(ttl_remove), }; -static int __init ttl_init(void) -{ - return platform_driver_register(&ttl_driver); -} - -static void __exit ttl_exit(void) -{ - platform_driver_unregister(&ttl_driver); -} +module_platform_driver(ttl_driver); MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>"); MODULE_DESCRIPTION("Janz MODULbus VMOD-TTL Driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:janz-ttl"); - -module_init(ttl_init); -module_exit(ttl_exit); diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c index ea8e73869250..461958fc2264 100644 --- a/drivers/gpio/gpio-ml-ioh.c +++ b/drivers/gpio/gpio-ml-ioh.c @@ -332,6 +332,34 @@ static void ioh_irq_mask(struct irq_data *d) &chip->reg->regs[chip->ch].imask); } +static void ioh_irq_disable(struct irq_data *d) +{ + struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); + struct ioh_gpio *chip = gc->private; + unsigned long flags; + u32 ien; + + spin_lock_irqsave(&chip->spinlock, flags); + ien = ioread32(&chip->reg->regs[chip->ch].ien); + ien &= ~(1 << (d->irq - chip->irq_base)); + iowrite32(ien, &chip->reg->regs[chip->ch].ien); + spin_unlock_irqrestore(&chip->spinlock, flags); +} + +static void ioh_irq_enable(struct irq_data *d) +{ + struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); + struct ioh_gpio *chip = gc->private; + unsigned long flags; + u32 ien; + + spin_lock_irqsave(&chip->spinlock, flags); + ien = ioread32(&chip->reg->regs[chip->ch].ien); + ien |= 1 << (d->irq - chip->irq_base); + iowrite32(ien, &chip->reg->regs[chip->ch].ien); + spin_unlock_irqrestore(&chip->spinlock, flags); +} + static irqreturn_t ioh_gpio_handler(int irq, void *dev_id) { struct ioh_gpio *chip = dev_id; @@ -339,7 +367,7 @@ static irqreturn_t ioh_gpio_handler(int irq, void *dev_id) int i, j; int ret = IRQ_NONE; - for (i = 0; i < 8; i++) { + for (i = 0; i < 8; i++, chip++) { reg_val = ioread32(&chip->reg->regs[i].istatus); for (j = 0; j < num_ports[i]; j++) { if (reg_val & BIT(j)) { @@ -370,6 +398,8 @@ static __devinit void ioh_gpio_alloc_generic_chip(struct ioh_gpio *chip, ct->chip.irq_mask = ioh_irq_mask; ct->chip.irq_unmask = ioh_irq_unmask; ct->chip.irq_set_type = ioh_irq_type; + ct->chip.irq_disable = ioh_irq_disable; + ct->chip.irq_enable = ioh_irq_enable; irq_setup_generic_chip(gc, IRQ_MSK(num), IRQ_GC_INIT_MASK_CACHE, IRQ_NOREQUEST | IRQ_NOPROBE, 0); diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c index ec3fcf0a7e12..5cd04b65c556 100644 --- a/drivers/gpio/gpio-mpc8xxx.c +++ b/drivers/gpio/gpio-mpc8xxx.c @@ -132,6 +132,15 @@ static int mpc8xxx_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val return 0; } +static int mpc5121_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) +{ + /* GPIO 28..31 are input only on MPC5121 */ + if (gpio >= 28) + return -EINVAL; + + return mpc8xxx_gpio_dir_out(gc, gpio, val); +} + static int mpc8xxx_gpio_to_irq(struct gpio_chip *gc, unsigned offset) { struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc); @@ -340,11 +349,10 @@ static void __init mpc8xxx_add_controller(struct device_node *np) mm_gc->save_regs = mpc8xxx_gpio_save_regs; gc->ngpio = MPC8XXX_GPIO_PINS; gc->direction_input = mpc8xxx_gpio_dir_in; - gc->direction_output = mpc8xxx_gpio_dir_out; - if (of_device_is_compatible(np, "fsl,mpc8572-gpio")) - gc->get = mpc8572_gpio_get; - else - gc->get = mpc8xxx_gpio_get; + gc->direction_output = of_device_is_compatible(np, "fsl,mpc5121-gpio") ? + mpc5121_gpio_dir_out : mpc8xxx_gpio_dir_out; + gc->get = of_device_is_compatible(np, "fsl,mpc8572-gpio") ? + mpc8572_gpio_get : mpc8xxx_gpio_get; gc->set = mpc8xxx_gpio_set; gc->to_irq = mpc8xxx_gpio_to_irq; diff --git a/drivers/gpio/gpio-nomadik.c b/drivers/gpio/gpio-nomadik.c index 1ebedfb6d46d..839624f9fe6a 100644 --- a/drivers/gpio/gpio-nomadik.c +++ b/drivers/gpio/gpio-nomadik.c @@ -1150,8 +1150,8 @@ static int __devinit nmk_gpio_probe(struct platform_device *dev) nmk_gpio_init_irq(nmk_chip); - dev_info(&dev->dev, "Bits %i-%i at address %p\n", - nmk_chip->chip.base, nmk_chip->chip.base+31, nmk_chip->addr); + dev_info(&dev->dev, "at address %p\n", + nmk_chip->addr); return 0; out_free: diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 0e49d87f6c60..0b0562979171 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -148,13 +148,17 @@ static int _get_gpio_dataout(struct gpio_bank *bank, int gpio) return (__raw_readl(reg) & GPIO_BIT(bank, gpio)) != 0; } -#define MOD_REG_BIT(reg, bit_mask, set) \ -do { \ - int l = __raw_readl(base + reg); \ - if (set) l |= bit_mask; \ - else l &= ~bit_mask; \ - __raw_writel(l, base + reg); \ -} while(0) +static inline void _gpio_rmw(void __iomem *base, u32 reg, u32 mask, bool set) +{ + int l = __raw_readl(base + reg); + + if (set) + l |= mask; + else + l &= ~mask; + + __raw_writel(l, base + reg); +} /** * _set_gpio_debounce - low level gpio debounce time @@ -210,28 +214,28 @@ static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio, u32 gpio_bit = 1 << gpio; if (cpu_is_omap44xx()) { - MOD_REG_BIT(OMAP4_GPIO_LEVELDETECT0, gpio_bit, - trigger & IRQ_TYPE_LEVEL_LOW); - MOD_REG_BIT(OMAP4_GPIO_LEVELDETECT1, gpio_bit, - trigger & IRQ_TYPE_LEVEL_HIGH); - MOD_REG_BIT(OMAP4_GPIO_RISINGDETECT, gpio_bit, - trigger & IRQ_TYPE_EDGE_RISING); - MOD_REG_BIT(OMAP4_GPIO_FALLINGDETECT, gpio_bit, - trigger & IRQ_TYPE_EDGE_FALLING); + _gpio_rmw(base, OMAP4_GPIO_LEVELDETECT0, gpio_bit, + trigger & IRQ_TYPE_LEVEL_LOW); + _gpio_rmw(base, OMAP4_GPIO_LEVELDETECT1, gpio_bit, + trigger & IRQ_TYPE_LEVEL_HIGH); + _gpio_rmw(base, OMAP4_GPIO_RISINGDETECT, gpio_bit, + trigger & IRQ_TYPE_EDGE_RISING); + _gpio_rmw(base, OMAP4_GPIO_FALLINGDETECT, gpio_bit, + trigger & IRQ_TYPE_EDGE_FALLING); } else { - MOD_REG_BIT(OMAP24XX_GPIO_LEVELDETECT0, gpio_bit, - trigger & IRQ_TYPE_LEVEL_LOW); - MOD_REG_BIT(OMAP24XX_GPIO_LEVELDETECT1, gpio_bit, - trigger & IRQ_TYPE_LEVEL_HIGH); - MOD_REG_BIT(OMAP24XX_GPIO_RISINGDETECT, gpio_bit, - trigger & IRQ_TYPE_EDGE_RISING); - MOD_REG_BIT(OMAP24XX_GPIO_FALLINGDETECT, gpio_bit, - trigger & IRQ_TYPE_EDGE_FALLING); + _gpio_rmw(base, OMAP24XX_GPIO_LEVELDETECT0, gpio_bit, + trigger & IRQ_TYPE_LEVEL_LOW); + _gpio_rmw(base, OMAP24XX_GPIO_LEVELDETECT1, gpio_bit, + trigger & IRQ_TYPE_LEVEL_HIGH); + _gpio_rmw(base, OMAP24XX_GPIO_RISINGDETECT, gpio_bit, + trigger & IRQ_TYPE_EDGE_RISING); + _gpio_rmw(base, OMAP24XX_GPIO_FALLINGDETECT, gpio_bit, + trigger & IRQ_TYPE_EDGE_FALLING); } if (likely(!(bank->non_wakeup_gpios & gpio_bit))) { if (cpu_is_omap44xx()) { - MOD_REG_BIT(OMAP4_GPIO_IRQWAKEN0, gpio_bit, - trigger != 0); + _gpio_rmw(base, OMAP4_GPIO_IRQWAKEN0, gpio_bit, + trigger != 0); } else { /* * GPIO wakeup request can only be generated on edge @@ -1086,6 +1090,11 @@ omap_mpuio_alloc_gc(struct gpio_bank *bank, unsigned int irq_start, gc = irq_alloc_generic_chip("MPUIO", 1, irq_start, bank->base, handle_simple_irq); + if (!gc) { + dev_err(bank->dev, "Memory alloc failed for gc\n"); + return; + } + ct = gc->chip_types; /* NOTE: No ack required, reading IRQ status clears it. */ diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index 0550dcb85814..d3f3e8f54561 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -546,7 +546,7 @@ static void pca953x_irq_teardown(struct pca953x_chip *chip) * Translate OpenFirmware node properties into platform_data * WARNING: This is DEPRECATED and will be removed eventually! */ -void +static void pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, int *invert) { struct device_node *node; @@ -574,7 +574,7 @@ pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, int *invert) *invert = *val; } #else -void +static void pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, int *invert) { *gpio_base = -1; @@ -596,9 +596,6 @@ static int __devinit device_pca953x_init(struct pca953x_chip *chip, int invert) /* set platform specific polarity inversion */ ret = pca953x_write_reg(chip, PCA953X_INVERT, invert); - if (ret) - goto out; - return 0; out: return ret; } @@ -640,7 +637,7 @@ static int __devinit pca953x_probe(struct i2c_client *client, struct pca953x_platform_data *pdata; struct pca953x_chip *chip; int irq_base=0, invert=0; - int ret = 0; + int ret; chip = kzalloc(sizeof(struct pca953x_chip), GFP_KERNEL); if (chip == NULL) @@ -673,10 +670,10 @@ static int __devinit pca953x_probe(struct i2c_client *client, pca953x_setup_gpio(chip, id->driver_data & PCA_GPIO_MASK); if (chip->chip_type == PCA953X_TYPE) - device_pca953x_init(chip, invert); - else if (chip->chip_type == PCA957X_TYPE) - device_pca957x_init(chip, invert); + ret = device_pca953x_init(chip, invert); else + ret = device_pca957x_init(chip, invert); + if (ret) goto out_failed; ret = pca953x_irq_setup(chip, id, irq_base); diff --git a/drivers/gpio/gpio-pcf857x.c b/drivers/gpio/gpio-pcf857x.c index 3e1f1ecd07be..2d1de9e7e9bd 100644 --- a/drivers/gpio/gpio-pcf857x.c +++ b/drivers/gpio/gpio-pcf857x.c @@ -290,10 +290,7 @@ static int pcf857x_probe(struct i2c_client *client, * methods can't be called from sleeping contexts. */ - dev_info(&client->dev, "gpios %d..%d on a %s%s\n", - gpio->chip.base, - gpio->chip.base + gpio->chip.ngpio - 1, - client->name, + dev_info(&client->dev, "%s\n", client->irq ? " (irq ignored)" : ""); /* Let platform code set up the GPIOs and their users. diff --git a/drivers/gpio/gpio-pch.c b/drivers/gpio/gpio-pch.c index a6008e123d04..f0603297f829 100644 --- a/drivers/gpio/gpio-pch.c +++ b/drivers/gpio/gpio-pch.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010 OKI SEMICONDUCTOR Co., LTD. + * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -49,8 +49,8 @@ struct pch_regs { enum pch_type_t { INTEL_EG20T_PCH, - OKISEMI_ML7223m_IOH, /* OKISEMI ML7223 IOH PCIe Bus-m */ - OKISEMI_ML7223n_IOH /* OKISEMI ML7223 IOH PCIe Bus-n */ + OKISEMI_ML7223m_IOH, /* LAPIS Semiconductor ML7223 IOH PCIe Bus-m */ + OKISEMI_ML7223n_IOH /* LAPIS Semiconductor ML7223 IOH PCIe Bus-n */ }; /* Specifies number of GPIO PINS */ @@ -524,6 +524,7 @@ static DEFINE_PCI_DEVICE_TABLE(pch_gpio_pcidev_id) = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x8803) }, { PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8014) }, { PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8043) }, + { PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8803) }, { 0, } }; MODULE_DEVICE_TABLE(pci, pch_gpio_pcidev_id); diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c index 093c90bd3c1d..8f79c03049f3 100644 --- a/drivers/gpio/gpio-pl061.c +++ b/drivers/gpio/gpio-pl061.c @@ -238,10 +238,6 @@ static int pl061_probe(struct amba_device *dev, const struct amba_id *id) int ret, irq, i; static DECLARE_BITMAP(init_irq, NR_IRQS); - pdata = dev->dev.platform_data; - if (pdata == NULL) - return -ENODEV; - chip = kzalloc(sizeof(*chip), GFP_KERNEL); if (chip == NULL) return -ENOMEM; @@ -350,6 +346,8 @@ static struct amba_id pl061_ids[] = { { 0, 0 }, }; +MODULE_DEVICE_TABLE(amba, pl061_ids); + static struct amba_driver pl061_gpio_driver = { .drv = { .name = "pl061_gpio", diff --git a/drivers/gpio/gpio-rdc321x.c b/drivers/gpio/gpio-rdc321x.c index 2762698e0204..e97016af6443 100644 --- a/drivers/gpio/gpio-rdc321x.c +++ b/drivers/gpio/gpio-rdc321x.c @@ -227,18 +227,7 @@ static struct platform_driver rdc321x_gpio_driver = { .remove = __devexit_p(rdc321x_gpio_remove), }; -static int __init rdc321x_gpio_init(void) -{ - return platform_driver_register(&rdc321x_gpio_driver); -} - -static void __exit rdc321x_gpio_exit(void) -{ - platform_driver_unregister(&rdc321x_gpio_driver); -} - -module_init(rdc321x_gpio_init); -module_exit(rdc321x_gpio_exit); +module_platform_driver(rdc321x_gpio_driver); MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>"); MODULE_DESCRIPTION("RDC321x GPIO driver"); diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c index 866251852719..ab098ba9f1dd 100644 --- a/drivers/gpio/gpio-samsung.c +++ b/drivers/gpio/gpio-samsung.c @@ -22,7 +22,7 @@ #include <linux/spinlock.h> #include <linux/module.h> #include <linux/interrupt.h> -#include <linux/sysdev.h> +#include <linux/device.h> #include <linux/ioport.h> #include <asm/irq.h> @@ -230,7 +230,7 @@ static int samsung_gpio_setcfg_2bit(struct samsung_gpio_chip *chip, * @chip: The gpio chip that is being configured. * @off: The offset for the GPIO being configured. * - * The reverse of samsung_gpio_setcfg_2bit(). Will return a value whicg + * The reverse of samsung_gpio_setcfg_2bit(). Will return a value which * could be directly passed back to samsung_gpio_setcfg_2bit(), from the * S3C_GPIO_SPECIAL() macro. */ @@ -467,33 +467,42 @@ static struct samsung_gpio_cfg s5p64x0_gpio_cfg_rbank = { #endif static struct samsung_gpio_cfg samsung_gpio_cfgs[] = { - { + [0] = { .cfg_eint = 0x0, - }, { + }, + [1] = { .cfg_eint = 0x3, - }, { + }, + [2] = { .cfg_eint = 0x7, - }, { + }, + [3] = { .cfg_eint = 0xF, - }, { + }, + [4] = { .cfg_eint = 0x0, .set_config = samsung_gpio_setcfg_2bit, .get_config = samsung_gpio_getcfg_2bit, - }, { + }, + [5] = { .cfg_eint = 0x2, .set_config = samsung_gpio_setcfg_2bit, .get_config = samsung_gpio_getcfg_2bit, - }, { + }, + [6] = { .cfg_eint = 0x3, .set_config = samsung_gpio_setcfg_2bit, .get_config = samsung_gpio_getcfg_2bit, - }, { + }, + [7] = { .set_config = samsung_gpio_setcfg_2bit, .get_config = samsung_gpio_getcfg_2bit, - }, { + }, + [8] = { .set_pull = exynos4_gpio_setpull, .get_pull = exynos4_gpio_getpull, - }, { + }, + [9] = { .cfg_eint = 0x3, .set_pull = exynos4_gpio_setpull, .get_pull = exynos4_gpio_getpull, diff --git a/drivers/gpio/gpio-sch.c b/drivers/gpio/gpio-sch.c index 163515845494..8cadf4d683a8 100644 --- a/drivers/gpio/gpio-sch.c +++ b/drivers/gpio/gpio-sch.c @@ -297,18 +297,7 @@ static struct platform_driver sch_gpio_driver = { .remove = __devexit_p(sch_gpio_remove), }; -static int __init sch_gpio_init(void) -{ - return platform_driver_register(&sch_gpio_driver); -} - -static void __exit sch_gpio_exit(void) -{ - platform_driver_unregister(&sch_gpio_driver); -} - -module_init(sch_gpio_init); -module_exit(sch_gpio_exit); +module_platform_driver(sch_gpio_driver); MODULE_AUTHOR("Denis Turischev <denis@compulab.co.il>"); MODULE_DESCRIPTION("GPIO interface for Intel Poulsbo SCH"); diff --git a/drivers/gpio/gpio-timberdale.c b/drivers/gpio/gpio-timberdale.c index c593bd46bfb6..031c6adf5b65 100644 --- a/drivers/gpio/gpio-timberdale.c +++ b/drivers/gpio/gpio-timberdale.c @@ -359,18 +359,7 @@ static struct platform_driver timbgpio_platform_driver = { /*--------------------------------------------------------------------------*/ -static int __init timbgpio_init(void) -{ - return platform_driver_register(&timbgpio_platform_driver); -} - -static void __exit timbgpio_exit(void) -{ - platform_driver_unregister(&timbgpio_platform_driver); -} - -module_init(timbgpio_init); -module_exit(timbgpio_exit); +module_platform_driver(timbgpio_platform_driver); MODULE_DESCRIPTION("Timberdale GPIO driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/gpio/gpio-ucb1400.c b/drivers/gpio/gpio-ucb1400.c index 50e6bd1392ce..26405efe0f9f 100644 --- a/drivers/gpio/gpio-ucb1400.c +++ b/drivers/gpio/gpio-ucb1400.c @@ -103,23 +103,12 @@ static struct platform_driver ucb1400_gpio_driver = { }, }; -static int __init ucb1400_gpio_init(void) -{ - return platform_driver_register(&ucb1400_gpio_driver); -} - -static void __exit ucb1400_gpio_exit(void) -{ - platform_driver_unregister(&ucb1400_gpio_driver); -} - void __init ucb1400_gpio_set_data(struct ucb1400_gpio_data *data) { ucbdata = data; } -module_init(ucb1400_gpio_init); -module_exit(ucb1400_gpio_exit); +module_platform_driver(ucb1400_gpio_driver); MODULE_DESCRIPTION("Philips UCB1400 GPIO driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/gpio/gpio-vr41xx.c b/drivers/gpio/gpio-vr41xx.c index 98723cb9ac68..82d5c20ad3cb 100644 --- a/drivers/gpio/gpio-vr41xx.c +++ b/drivers/gpio/gpio-vr41xx.c @@ -571,15 +571,4 @@ static struct platform_driver giu_device_driver = { }, }; -static int __init vr41xx_giu_init(void) -{ - return platform_driver_register(&giu_device_driver); -} - -static void __exit vr41xx_giu_exit(void) -{ - platform_driver_unregister(&giu_device_driver); -} - -module_init(vr41xx_giu_init); -module_exit(vr41xx_giu_exit); +module_platform_driver(giu_device_driver); diff --git a/drivers/gpio/gpio-vx855.c b/drivers/gpio/gpio-vx855.c index ef5aabd8b8b7..76ebfe5ff702 100644 --- a/drivers/gpio/gpio-vx855.c +++ b/drivers/gpio/gpio-vx855.c @@ -315,17 +315,7 @@ static struct platform_driver vx855gpio_driver = { .remove = __devexit_p(vx855gpio_remove), }; -static int vx855gpio_init(void) -{ - return platform_driver_register(&vx855gpio_driver); -} -module_init(vx855gpio_init); - -static void vx855gpio_exit(void) -{ - platform_driver_unregister(&vx855gpio_driver); -} -module_exit(vx855gpio_exit); +module_platform_driver(vx855gpio_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Harald Welte <HaraldWelte@viatech.com>"); diff --git a/drivers/gpio/gpio-wm8994.c b/drivers/gpio/gpio-wm8994.c index 96198f3fab73..92ea5350dfe9 100644 --- a/drivers/gpio/gpio-wm8994.c +++ b/drivers/gpio/gpio-wm8994.c @@ -117,6 +117,60 @@ static int wm8994_gpio_to_irq(struct gpio_chip *chip, unsigned offset) #ifdef CONFIG_DEBUG_FS +static const char *wm8994_gpio_fn(u16 fn) +{ + switch (fn) { + case WM8994_GP_FN_PIN_SPECIFIC: + return "pin-specific"; + case WM8994_GP_FN_GPIO: + return "GPIO"; + case WM8994_GP_FN_SDOUT: + return "SDOUT"; + case WM8994_GP_FN_IRQ: + return "IRQ"; + case WM8994_GP_FN_TEMPERATURE: + return "Temperature"; + case WM8994_GP_FN_MICBIAS1_DET: + return "MICBIAS1 detect"; + case WM8994_GP_FN_MICBIAS1_SHORT: + return "MICBIAS1 short"; + case WM8994_GP_FN_MICBIAS2_DET: + return "MICBIAS2 detect"; + case WM8994_GP_FN_MICBIAS2_SHORT: + return "MICBIAS2 short"; + case WM8994_GP_FN_FLL1_LOCK: + return "FLL1 lock"; + case WM8994_GP_FN_FLL2_LOCK: + return "FLL2 lock"; + case WM8994_GP_FN_SRC1_LOCK: + return "SRC1 lock"; + case WM8994_GP_FN_SRC2_LOCK: + return "SRC2 lock"; + case WM8994_GP_FN_DRC1_ACT: + return "DRC1 activity"; + case WM8994_GP_FN_DRC2_ACT: + return "DRC2 activity"; + case WM8994_GP_FN_DRC3_ACT: + return "DRC3 activity"; + case WM8994_GP_FN_WSEQ_STATUS: + return "Write sequencer"; + case WM8994_GP_FN_FIFO_ERROR: + return "FIFO error"; + case WM8994_GP_FN_OPCLK: + return "OPCLK"; + case WM8994_GP_FN_THW: + return "Thermal warning"; + case WM8994_GP_FN_DCS_DONE: + return "DC servo"; + case WM8994_GP_FN_FLL1_OUT: + return "FLL1 output"; + case WM8994_GP_FN_FLL2_OUT: + return "FLL1 output"; + default: + return "Unknown"; + } +} + static void wm8994_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) { struct wm8994_gpio *wm8994_gpio = to_wm8994_gpio(chip); @@ -148,8 +202,29 @@ static void wm8994_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) continue; } - /* No decode yet; note that GPIO2 is special */ - seq_printf(s, "(%x)\n", reg); + if (reg & WM8994_GPN_DIR) + seq_printf(s, "in "); + else + seq_printf(s, "out "); + + if (reg & WM8994_GPN_PU) + seq_printf(s, "pull up "); + + if (reg & WM8994_GPN_PD) + seq_printf(s, "pull down "); + + if (reg & WM8994_GPN_POL) + seq_printf(s, "inverted "); + else + seq_printf(s, "noninverted "); + + if (reg & WM8994_GPN_OP_CFG) + seq_printf(s, "open drain "); + else + seq_printf(s, "CMOS "); + + seq_printf(s, "%s (%x)\n", + wm8994_gpio_fn(reg & WM8994_GPN_FN_MASK), reg); } } #else diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c index 0ce6ac9898b1..79b0fe8a7253 100644 --- a/drivers/gpio/gpio-xilinx.c +++ b/drivers/gpio/gpio-xilinx.c @@ -206,7 +206,6 @@ static int __devinit xgpio_of_probe(struct device_node *np) np->full_name, status); return status; } - pr_info("XGpio: %s: registered\n", np->full_name); return 0; } diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index a971e3d043ba..17fdf4b6af93 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -114,7 +114,7 @@ static int gpio_ensure_requested(struct gpio_desc *desc, unsigned offset) } /* caller holds gpio_lock *OR* gpio is marked as requested */ -static inline struct gpio_chip *gpio_to_chip(unsigned gpio) +struct gpio_chip *gpio_to_chip(unsigned gpio) { return gpio_desc[gpio].chip; } @@ -1089,6 +1089,10 @@ unlock: if (status) goto fail; + pr_info("gpiochip_add: registered GPIOs %d to %d on device: %s\n", + chip->base, chip->base + chip->ngpio - 1, + chip->label ? : "generic"); + return 0; fail: /* failures here can mean systems won't boot... */ |