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i2c: Bug fix for the semaphore locking mechanism for i2c

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The locking and synch mechanisms were configured after the interrupts
for the I2C controller are enabled, now the configuration is done before
the enabling of the interrupts.
Jira: ZEP-419
Change-Id: Ia1b0e790b9f5f8e7560cc3556b7a0f394048d171
Signed-off-by: Sergio Rodriguez <sergio.sf.rodriguez@intel.com>
This commit is contained in:
Sergio Rodriguez 2016-05-31 12:29:15 -07:00 committed by Anas Nashif
parent 7c00c4d3be
commit 10e33ff779
1 changed files with 4 additions and 3 deletions
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7
drivers/i2c/i2c_qmsi.c
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@ -197,6 +197,10 @@ static int i2c_qmsi_init(struct device *dev)
qm_i2c_t instance = GET_CONTROLLER_INSTANCE(dev);
int err;
device_sync_call_init(&driver_data->sync);
nano_sem_init(&driver_data->sem);
nano_sem_give(&driver_data->sem);
switch (instance) {
case QM_I2C_0:
/* Register interrupt handler, unmask IRQ and route it
@ -232,9 +236,6 @@ static int i2c_qmsi_init(struct device *dev)
return err;
}
device_sync_call_init(&driver_data->sync);
nano_sem_init(&driver_data->sem);
nano_sem_give(&driver_data->sem);
dev->driver_api = &api;
return 0;
}