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-rw-r--r--arch/blackfin/include/asm/spinlock.h20
-rw-r--r--arch/blackfin/mach-bf533/boards/blackstamp.c19
-rw-r--r--arch/blackfin/mach-bf533/boards/ezkit.c18
-rw-r--r--arch/blackfin/mach-bf533/boards/stamp.c18
-rw-r--r--arch/blackfin/mach-bf561/boards/ezkit.c18
5 files changed, 56 insertions, 37 deletions
diff --git a/arch/blackfin/include/asm/spinlock.h b/arch/blackfin/include/asm/spinlock.h
index f6431439d15d..839d1441af3a 100644
--- a/arch/blackfin/include/asm/spinlock.h
+++ b/arch/blackfin/include/asm/spinlock.h
@@ -36,8 +36,6 @@ static inline void arch_spin_lock(arch_spinlock_t *lock)
__raw_spin_lock_asm(&lock->lock);
}
-#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock)
-
static inline int arch_spin_trylock(arch_spinlock_t *lock)
{
return __raw_spin_trylock_asm(&lock->lock);
@@ -48,23 +46,11 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock)
__raw_spin_unlock_asm(&lock->lock);
}
-static inline int arch_read_can_lock(arch_rwlock_t *rw)
-{
- return __raw_uncached_fetch_asm(&rw->lock) > 0;
-}
-
-static inline int arch_write_can_lock(arch_rwlock_t *rw)
-{
- return __raw_uncached_fetch_asm(&rw->lock) == RW_LOCK_BIAS;
-}
-
static inline void arch_read_lock(arch_rwlock_t *rw)
{
__raw_read_lock_asm(&rw->lock);
}
-#define arch_read_lock_flags(lock, flags) arch_read_lock(lock)
-
static inline int arch_read_trylock(arch_rwlock_t *rw)
{
return __raw_read_trylock_asm(&rw->lock);
@@ -80,8 +66,6 @@ static inline void arch_write_lock(arch_rwlock_t *rw)
__raw_write_lock_asm(&rw->lock);
}
-#define arch_write_lock_flags(lock, flags) arch_write_lock(lock)
-
static inline int arch_write_trylock(arch_rwlock_t *rw)
{
return __raw_write_trylock_asm(&rw->lock);
@@ -92,10 +76,6 @@ static inline void arch_write_unlock(arch_rwlock_t *rw)
__raw_write_unlock_asm(&rw->lock);
}
-#define arch_spin_relax(lock) cpu_relax()
-#define arch_read_relax(lock) cpu_relax()
-#define arch_write_relax(lock) cpu_relax()
-
#endif
#endif /* !__BFIN_SPINLOCK_H */
diff --git a/arch/blackfin/mach-bf533/boards/blackstamp.c b/arch/blackfin/mach-bf533/boards/blackstamp.c
index 0ccf0cf4daaf..fab69c736515 100644
--- a/arch/blackfin/mach-bf533/boards/blackstamp.c
+++ b/arch/blackfin/mach-bf533/boards/blackstamp.c
@@ -22,6 +22,7 @@
#include <linux/irq.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
+#include <linux/gpio/machine.h>
#include <asm/dma.h>
#include <asm/bfin5xx_spi.h>
#include <asm/portmux.h>
@@ -362,11 +363,17 @@ static struct platform_device bfin_device_gpiokeys = {
#if IS_ENABLED(CONFIG_I2C_GPIO)
#include <linux/i2c-gpio.h>
+static struct gpiod_lookup_table bfin_i2c_gpiod_table = {
+ .dev_id = "i2c-gpio",
+ .table = {
+ GPIO_LOOKUP_IDX("BFIN-GPIO", GPIO_PF8, NULL, 0,
+ GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
+ GPIO_LOOKUP_IDX("BFIN-GPIO", GPIO_PF9, NULL, 1,
+ GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
+ },
+};
+
static struct i2c_gpio_platform_data i2c_gpio_data = {
- .sda_pin = GPIO_PF8,
- .scl_pin = GPIO_PF9,
- .sda_is_open_drain = 0,
- .scl_is_open_drain = 0,
.udelay = 40,
}; /* This hasn't actually been used these pins
* are (currently) free pins on the expansion connector */
@@ -462,7 +469,9 @@ static int __init blackstamp_init(void)
int ret;
printk(KERN_INFO "%s(): registering device resources\n", __func__);
-
+#if IS_ENABLED(CONFIG_I2C_GPIO)
+ gpiod_add_lookup_table(&bfin_i2c_gpiod_table);
+#endif
i2c_register_board_info(0, bfin_i2c_board_info,
ARRAY_SIZE(bfin_i2c_board_info));
diff --git a/arch/blackfin/mach-bf533/boards/ezkit.c b/arch/blackfin/mach-bf533/boards/ezkit.c
index 3625e9eaa8a8..d64d270e9e62 100644
--- a/arch/blackfin/mach-bf533/boards/ezkit.c
+++ b/arch/blackfin/mach-bf533/boards/ezkit.c
@@ -19,6 +19,7 @@
#endif
#include <linux/irq.h>
#include <linux/i2c.h>
+#include <linux/gpio/machine.h>
#include <asm/dma.h>
#include <asm/bfin5xx_spi.h>
#include <asm/portmux.h>
@@ -390,11 +391,17 @@ static struct platform_device bfin_device_gpiokeys = {
#if IS_ENABLED(CONFIG_I2C_GPIO)
#include <linux/i2c-gpio.h>
+static struct gpiod_lookup_table bfin_i2c_gpiod_table = {
+ .dev_id = "i2c-gpio",
+ .table = {
+ GPIO_LOOKUP_IDX("BFIN-GPIO", GPIO_PF1, NULL, 0,
+ GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
+ GPIO_LOOKUP_IDX("BFIN-GPIO", GPIO_PF0, NULL, 1,
+ GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
+ },
+};
+
static struct i2c_gpio_platform_data i2c_gpio_data = {
- .sda_pin = GPIO_PF1,
- .scl_pin = GPIO_PF0,
- .sda_is_open_drain = 0,
- .scl_is_open_drain = 0,
.udelay = 40,
};
@@ -516,6 +523,9 @@ static struct platform_device *ezkit_devices[] __initdata = {
static int __init ezkit_init(void)
{
printk(KERN_INFO "%s(): registering device resources\n", __func__);
+#if IS_ENABLED(CONFIG_I2C_GPIO)
+ gpiod_add_lookup_table(&bfin_i2c_gpiod_table);
+#endif
platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
i2c_register_board_info(0, bfin_i2c_board_info,
diff --git a/arch/blackfin/mach-bf533/boards/stamp.c b/arch/blackfin/mach-bf533/boards/stamp.c
index 23eada79439c..27cbf2fa2c62 100644
--- a/arch/blackfin/mach-bf533/boards/stamp.c
+++ b/arch/blackfin/mach-bf533/boards/stamp.c
@@ -21,6 +21,7 @@
#include <linux/gpio.h>
#include <linux/irq.h>
#include <linux/i2c.h>
+#include <linux/gpio/machine.h>
#include <asm/dma.h>
#include <asm/bfin5xx_spi.h>
#include <asm/reboot.h>
@@ -512,11 +513,17 @@ static struct platform_device bfin_device_gpiokeys = {
#if IS_ENABLED(CONFIG_I2C_GPIO)
#include <linux/i2c-gpio.h>
+static struct gpiod_lookup_table bfin_i2c_gpiod_table = {
+ .dev_id = "i2c-gpio",
+ .table = {
+ GPIO_LOOKUP_IDX("BFIN-GPIO", GPIO_PF2, NULL, 0,
+ GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
+ GPIO_LOOKUP_IDX("BFIN-GPIO", GPIO_PF3, NULL, 1,
+ GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
+ },
+};
+
static struct i2c_gpio_platform_data i2c_gpio_data = {
- .sda_pin = GPIO_PF2,
- .scl_pin = GPIO_PF3,
- .sda_is_open_drain = 0,
- .scl_is_open_drain = 0,
.udelay = 10,
};
@@ -848,6 +855,9 @@ static int __init stamp_init(void)
printk(KERN_INFO "%s(): registering device resources\n", __func__);
+#if IS_ENABLED(CONFIG_I2C_GPIO)
+ gpiod_add_lookup_table(&bfin_i2c_gpiod_table);
+#endif
i2c_register_board_info(0, bfin_i2c_board_info,
ARRAY_SIZE(bfin_i2c_board_info));
diff --git a/arch/blackfin/mach-bf561/boards/ezkit.c b/arch/blackfin/mach-bf561/boards/ezkit.c
index 57d1c43726d9..acc5363f60c6 100644
--- a/arch/blackfin/mach-bf561/boards/ezkit.c
+++ b/arch/blackfin/mach-bf561/boards/ezkit.c
@@ -16,6 +16,7 @@
#include <linux/interrupt.h>
#include <linux/gpio.h>
#include <linux/delay.h>
+#include <linux/gpio/machine.h>
#include <asm/dma.h>
#include <asm/bfin5xx_spi.h>
#include <asm/portmux.h>
@@ -379,11 +380,17 @@ static struct platform_device bfin_device_gpiokeys = {
#if IS_ENABLED(CONFIG_I2C_GPIO)
#include <linux/i2c-gpio.h>
+static struct gpiod_lookup_table bfin_i2c_gpiod_table = {
+ .dev_id = "i2c-gpio",
+ .table = {
+ GPIO_LOOKUP_IDX("BFIN-GPIO", GPIO_PF1, NULL, 0,
+ GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
+ GPIO_LOOKUP_IDX("BFIN-GPIO", GPIO_PF0, NULL, 1,
+ GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
+ },
+};
+
static struct i2c_gpio_platform_data i2c_gpio_data = {
- .sda_pin = GPIO_PF1,
- .scl_pin = GPIO_PF0,
- .sda_is_open_drain = 0,
- .scl_is_open_drain = 0,
.udelay = 10,
};
@@ -633,6 +640,9 @@ static int __init ezkit_init(void)
printk(KERN_INFO "%s(): registering device resources\n", __func__);
+#if IS_ENABLED(CONFIG_I2C_GPIO)
+ gpiod_add_lookup_table(&bfin_i2c_gpiod_table);
+#endif
ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
if (ret < 0)
return ret;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.