diff options
author | Wolfram Sang <w.sang@pengutronix.de> | 2008-07-14 16:38:28 -0400 |
---|---|---|
committer | Jean Delvare <khali@mahadeva.delvare> | 2008-07-14 16:38:28 -0400 |
commit | 3b270804a9345e4a0c493889f98e838692f7bc9b (patch) | |
tree | 7710132282b7115402fb6cd12782314685633516 /drivers/i2c/busses/i2c-cpm.c | |
parent | 61045dbe9d8d81b1bae4dc1e9482d389ca99edc1 (diff) |
i2c-cpm: Bugfixes
Bugfixes to the i2c-cpm driver
- enable correct interrupts (I2CER_TXE instead of I2CER_BUSY)
- replace forgotten iic with i2c
- prefix debug-output on init with 0x and add frequency
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'drivers/i2c/busses/i2c-cpm.c')
-rw-r--r-- | drivers/i2c/busses/i2c-cpm.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c index 1c955a82dcca..53af744a91c1 100644 --- a/drivers/i2c/busses/i2c-cpm.c +++ b/drivers/i2c/busses/i2c-cpm.c | |||
@@ -240,7 +240,7 @@ static void cpm_i2c_parse_message(struct i2c_adapter *adap, | |||
240 | eieio(); | 240 | eieio(); |
241 | setbits16(&tbdf->cbd_sc, BD_SC_READY); | 241 | setbits16(&tbdf->cbd_sc, BD_SC_READY); |
242 | } else { | 242 | } else { |
243 | dev_dbg(&adap->dev, "cpm_iic_write(abyte=0x%x)\n", addr); | 243 | dev_dbg(&adap->dev, "cpm_i2c_write(abyte=0x%x)\n", addr); |
244 | 244 | ||
245 | memcpy(tb+1, pmsg->buf, pmsg->len); | 245 | memcpy(tb+1, pmsg->buf, pmsg->len); |
246 | 246 | ||
@@ -349,7 +349,7 @@ static int cpm_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) | |||
349 | } | 349 | } |
350 | /* Start transfer now */ | 350 | /* Start transfer now */ |
351 | /* Enable RX/TX/Error interupts */ | 351 | /* Enable RX/TX/Error interupts */ |
352 | out_8(&i2c_reg->i2cmr, I2CER_BUSY | I2CER_TXB | I2CER_RXB); | 352 | out_8(&i2c_reg->i2cmr, I2CER_TXE | I2CER_TXB | I2CER_RXB); |
353 | out_8(&i2c_reg->i2cer, 0xff); /* Clear interrupt status */ | 353 | out_8(&i2c_reg->i2cer, 0xff); /* Clear interrupt status */ |
354 | /* Chip bug, set enable here */ | 354 | /* Chip bug, set enable here */ |
355 | setbits8(&i2c_reg->i2mod, I2MOD_EN); /* Enable */ | 355 | setbits8(&i2c_reg->i2mod, I2MOD_EN); /* Enable */ |
@@ -552,8 +552,8 @@ static int __devinit cpm_i2c_setup(struct cpm_i2c *cpm) | |||
552 | 552 | ||
553 | cpm_reset_i2c_params(cpm); | 553 | cpm_reset_i2c_params(cpm); |
554 | 554 | ||
555 | dev_dbg(&cpm->ofdev->dev, "i2c_ram %p, i2c_addr 0x%04x\n", | 555 | dev_dbg(&cpm->ofdev->dev, "i2c_ram 0x%p, i2c_addr 0x%04x, freq %d\n", |
556 | cpm->i2c_ram, cpm->i2c_addr); | 556 | cpm->i2c_ram, cpm->i2c_addr, cpm->freq); |
557 | dev_dbg(&cpm->ofdev->dev, "tbase 0x%04x, rbase 0x%04x\n", | 557 | dev_dbg(&cpm->ofdev->dev, "tbase 0x%04x, rbase 0x%04x\n", |
558 | (u8 __iomem *)cpm->tbase - DPRAM_BASE, | 558 | (u8 __iomem *)cpm->tbase - DPRAM_BASE, |
559 | (u8 __iomem *)cpm->rbase - DPRAM_BASE); | 559 | (u8 __iomem *)cpm->rbase - DPRAM_BASE); |