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| author | Thomas Doerfler <Thomas.Doerfler@embedded-brains.de> | 2008-09-09 13:18:58 +0000 |
|---|---|---|
| committer | Thomas Doerfler <Thomas.Doerfler@embedded-brains.de> | 2008-09-09 13:18:58 +0000 |
| commit | 39dfbe1621d9bcdb477dafa834112b5437c0b734 (patch) | |
| tree | c00521a7a3e010465492df6c7c3b7147dc1e1aef /c/src/lib/libcpu/powerpc/mpc83xx | |
| parent | 2008-09-09 Ralf Corsépius <ralf.corsepius@rtems.org> (diff) | |
| download | rtems-39dfbe1621d9bcdb477dafa834112b5437c0b734.tar.bz2 | |
minor additions
i2c-driver: wait, 'til stop executed
Diffstat (limited to 'c/src/lib/libcpu/powerpc/mpc83xx')
| -rw-r--r-- | c/src/lib/libcpu/powerpc/mpc83xx/i2c/mpc83xx_i2cdrv.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/c/src/lib/libcpu/powerpc/mpc83xx/i2c/mpc83xx_i2cdrv.c b/c/src/lib/libcpu/powerpc/mpc83xx/i2c/mpc83xx_i2cdrv.c index 1fcabb5a2b..2510bbfef9 100644 --- a/c/src/lib/libcpu/powerpc/mpc83xx/i2c/mpc83xx_i2cdrv.c +++ b/c/src/lib/libcpu/powerpc/mpc83xx/i2c/mpc83xx_i2cdrv.c @@ -424,7 +424,12 @@ static rtems_status_code mpc83xx_i2c_send_stop printk("mpc83xx_i2c_send_stop called... "); #endif softc_ptr->reg_ptr->i2ccr &= ~MPC83XX_I2CCR_MSTA; - + /* + * wait, 'til stop has been executed + */ + while (0 != (softc_ptr->reg_ptr->i2csr & MPC83XX_I2CSR_MBB)) { + rtems_task_wake_after(RTEMS_YIELD_PROCESSOR); + } #if defined(DEBUG) printk("... exit OK\r\n"); #endif |