From 6281ab2bbe1aea91cc32baf74f512cdea2ce4fb4 Mon Sep 17 00:00:00 2001 From: bernard Date: Sat, 1 Nov 2014 16:38:53 +0800 Subject: [PATCH] [DeviceDriver] Remove i2c_core_lock. --- components/drivers/i2c/i2c_core.c | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) diff --git a/components/drivers/i2c/i2c_core.c b/components/drivers/i2c/i2c_core.c index f274f70fcd..09616235d1 100644 --- a/components/drivers/i2c/i2c_core.c +++ b/components/drivers/i2c/i2c_core.c @@ -24,8 +24,6 @@ #include -static struct rt_mutex i2c_core_lock; - rt_err_t rt_i2c_bus_device_register(struct rt_i2c_bus_device *bus, const char *bus_name) { @@ -33,17 +31,12 @@ rt_err_t rt_i2c_bus_device_register(struct rt_i2c_bus_device *bus, rt_mutex_init(&bus->lock, "i2c_bus_lock", RT_IPC_FLAG_FIFO); - rt_mutex_take(&i2c_core_lock, RT_WAITING_FOREVER); - - if (bus->timeout == 0) - bus->timeout = RT_TICK_PER_SECOND; + if (bus->timeout == 0) bus->timeout = RT_TICK_PER_SECOND; res = rt_i2c_bus_device_device_init(bus, bus_name); i2c_dbg("I2C bus [%s] registered\n", bus_name); - rt_mutex_release(&i2c_core_lock); - return res; } @@ -136,6 +129,6 @@ rt_size_t rt_i2c_master_recv(struct rt_i2c_bus_device *bus, int rt_i2c_core_init(void) { - return rt_mutex_init(&i2c_core_lock, "i2c_core_lock", RT_IPC_FLAG_FIFO); + return 0; } INIT_COMPONENT_EXPORT(rt_i2c_core_init); -- GitLab