ret = gdev->id;
goto err_free_gdev;
}
- dev_set_name(&gdev->dev, GPIOCHIP_NAME "%d", gdev->id);
+
+ ret = dev_set_name(&gdev->dev, GPIOCHIP_NAME "%d", gdev->id);
+ if (ret)
+ goto err_free_ida;
+
device_initialize(&gdev->dev);
dev_set_drvdata(&gdev->dev, gdev);
if (gc->parent && gc->parent->driver)
gdev->descs = kcalloc(gc->ngpio, sizeof(gdev->descs[0]), GFP_KERNEL);
if (!gdev->descs) {
ret = -ENOMEM;
- goto err_free_ida;
+ goto err_free_dev_name;
}
if (gc->ngpio == 0) {
kfree_const(gdev->label);
err_free_descs:
kfree(gdev->descs);
+err_free_dev_name:
+ kfree(dev_name(&gdev->dev));
err_free_ida:
ida_free(&gpio_ida, gdev->id);
err_free_gdev:
struct gpio_chip *gc = desc_array[i]->gdev->chip;
unsigned long fastpath[2 * BITS_TO_LONGS(FASTPATH_NGPIO)];
unsigned long *mask, *bits;
- int first, j, ret;
+ int first, j;
if (likely(gc->ngpio <= FASTPATH_NGPIO)) {
mask = fastpath;
*/
void gpiod_remove_lookup_table(struct gpiod_lookup_table *table)
{
+ /* Nothing to remove */
+ if (!table)
+ return;
+
mutex_lock(&gpio_lookup_lock);
list_del(&table->list);
This driver can also be built as a module. If so, the module
will be called i2c-digicolor.
- config I2C_EFM32
- tristate "EFM32 I2C controller"
- depends on ARCH_EFM32 || COMPILE_TEST
- help
- This driver supports the i2c block found in Energy Micro's EFM32
- SoCs.
-
config I2C_EG20T
tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) I2C"
depends on PCI && (X86_32 || MIPS || COMPILE_TEST)
This driver can also be built as a module. If so, the module
will be called i2c-simtec.
- config I2C_SIRF
- tristate "CSR SiRFprimaII I2C interface"
- depends on ARCH_SIRF || COMPILE_TEST
- help
- If you say yes to this option, support will be included for the
- CSR SiRFprimaII I2C interface.
-
- This driver can also be built as a module. If so, the module
- will be called i2c-sirf.
-
config I2C_SPRD
tristate "Spreadtrum I2C interface"
depends on I2C=y && (ARCH_SPRD || COMPILE_TEST)
This driver can also be built as module. If so, the module
will be called i2c-stm32f7.
- config I2C_STU300
- tristate "ST Microelectronics DDC I2C interface"
- depends on MACH_U300 || COMPILE_TEST
- default y if MACH_U300
- help
- If you say yes to this option, support will be included for the
- I2C interface from ST Microelectronics simply called "DDC I2C"
- supporting both I2C and DDC, used in e.g. the U300 series
- mobile platforms.
-
- This driver can also be built as a module. If so, the module
- will be called i2c-stu300.
-
config I2C_SUN6I_P2WI
tristate "Allwinner sun6i internal P2WI controller"
depends on RESET_CONTROLLER
will be called xilinx_i2c.
config I2C_XLR
- tristate "Netlogic XLR and Sigma Designs I2C support"
- depends on CPU_XLR || ARCH_TANGO || COMPILE_TEST
+ tristate "Netlogic XLR I2C support"
+ depends on CPU_XLR || COMPILE_TEST
help
This driver enables support for the on-chip I2C interface of
the Netlogic XLR/XLS MIPS processors and Sigma Designs SOCs.
This driver can also be built as a module. If so, the module will be
called as i2c-opal.
- config I2C_ZX2967
- tristate "ZTE ZX2967 I2C support"
- depends on ARCH_ZX
- default y
- help
- Selecting this option will add ZX2967 I2C driver.
- This driver can also be built as a module. If so, the module will be
- called i2c-zx2967.
-
config I2C_FSI
tristate "FSI I2C driver"
depends on FSI
static wait_queue_head_t pcf_wait;
static int pcf_pending;
- static spinlock_t lock;
+ static DEFINE_SPINLOCK(lock);
static struct i2c_adapter pcf_isa_ops;
static int pcf_isa_init(void)
{
- spin_lock_init(&lock);
if (!mmapped) {
if (!request_region(base, 2, pcf_isa_ops.name)) {
printk(KERN_ERR "%s: requested I/O region (%#x:2) is "
return -ENODEV;
}
-static int elektor_remove(struct device *dev, unsigned int id)
+static void elektor_remove(struct device *dev, unsigned int id)
{
i2c_del_adapter(&pcf_isa_ops);
iounmap(base_iomem);
release_mem_region(base, 2);
}
-
- return 0;
}
static struct isa_driver i2c_elektor_driver = {
#define STM32F7_I2C_CR1_RXDMAEN BIT(15)
#define STM32F7_I2C_CR1_TXDMAEN BIT(14)
#define STM32F7_I2C_CR1_ANFOFF BIT(12)
+#define STM32F7_I2C_CR1_DNF_MASK GENMASK(11, 8)
+#define STM32F7_I2C_CR1_DNF(n) (((n) & 0xf) << 8)
#define STM32F7_I2C_CR1_ERRIE BIT(7)
#define STM32F7_I2C_CR1_TCIE BIT(6)
#define STM32F7_I2C_CR1_STOPIE BIT(5)
};
#define STM32F7_I2C_DNF_DEFAULT 0
-#define STM32F7_I2C_DNF_MAX 16
+#define STM32F7_I2C_DNF_MAX 15
#define STM32F7_I2C_ANALOG_FILTER_ENABLE 1
#define STM32F7_I2C_ANALOG_FILTER_DELAY_MIN 50 /* ns */
else
stm32f7_i2c_set_bits(i2c_dev->base + STM32F7_I2C_CR1,
STM32F7_I2C_CR1_ANFOFF);
+
+ /* Program the Digital Filter */
+ stm32f7_i2c_clr_bits(i2c_dev->base + STM32F7_I2C_CR1,
+ STM32F7_I2C_CR1_DNF_MASK);
+ stm32f7_i2c_set_bits(i2c_dev->base + STM32F7_I2C_CR1,
+ STM32F7_I2C_CR1_DNF(i2c_dev->setup.dnf));
+
stm32f7_i2c_set_bits(i2c_dev->base + STM32F7_I2C_CR1,
STM32F7_I2C_CR1_PE);
}
}
irq_error = platform_get_irq(pdev, 1);
- if (irq_error <= 0) {
- if (irq_error != -EPROBE_DEFER)
- dev_err(&pdev->dev, "Failed to get IRQ error: %d\n",
- irq_error);
+ if (irq_error <= 0)
return irq_error ? : -ENOENT;
- }
i2c_dev->wakeup_src = of_property_read_bool(pdev->dev.of_node,
"wakeup-source");
projects / linux-2.6-microblaze.git / commitdiff