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| author | David Woodhouse <dwmw2@infradead.org> | 2006-12-01 09:56:43 +0000 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2006-12-01 09:56:43 +0000 |
| commit | bd3c97a7c718bfb9f1e4f31c16c383a5c6f815eb (patch) | |
| tree | 3f56594e813c6f35cbacbdb3e137ba5bfd0b3069 /drivers/i2c/busses/i2c-pxa.c | |
| parent | 6c33cafc794d07c9254c160789120a0e98c088c9 (diff) | |
| parent | 0215ffb08ce99e2bb59eca114a99499a4d06e704 (diff) | |
| download | op-kernel-dev-bd3c97a7c718bfb9f1e4f31c16c383a5c6f815eb.zip op-kernel-dev-bd3c97a7c718bfb9f1e4f31c16c383a5c6f815eb.tar.gz | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/i2c/busses/i2c-pxa.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-pxa.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index 81050d3..c95a6c1 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -272,7 +272,8 @@ static int i2c_pxa_wait_slave(struct pxa_i2c *i2c) dev_dbg(&i2c->adap.dev, "%s: %ld: ISR=%08x, ICR=%08x, IBMR=%02x\n", __func__, (long)jiffies, ISR, ICR, IBMR); - if ((ISR & (ISR_UB|ISR_IBB|ISR_SAD)) == ISR_SAD || + if ((ISR & (ISR_UB|ISR_IBB)) == 0 || + (ISR & ISR_SAD) != 0 || (ICR & ICR_SCLE) == 0) { if (i2c_debug > 1) dev_dbg(&i2c->adap.dev, "%s: done\n", __func__); @@ -492,7 +493,10 @@ static void i2c_pxa_slave_txempty(struct pxa_i2c *i2c, u32 isr) if (isr & ISR_BED) { /* what should we do here? */ } else { - int ret = i2c->slave->read(i2c->slave->data); + int ret = 0; + + if (i2c->slave != NULL) + ret = i2c->slave->read(i2c->slave->data); IDBR = ret; ICR |= ICR_TB; /* allow next byte */ |
