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>
diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c
index 1c955a8..53af744 100644
--- a/drivers/i2c/busses/i2c-cpm.c
+++ b/drivers/i2c/busses/i2c-cpm.c
@@ -240,7 +240,7 @@
eieio();
setbits16(&tbdf->cbd_sc, BD_SC_READY);
} else {
- dev_dbg(&adap->dev, "cpm_iic_write(abyte=0x%x)\n", addr);
+ dev_dbg(&adap->dev, "cpm_i2c_write(abyte=0x%x)\n", addr);
memcpy(tb+1, pmsg->buf, pmsg->len);
@@ -349,7 +349,7 @@
}
/* Start transfer now */
/* Enable RX/TX/Error interupts */
- out_8(&i2c_reg->i2cmr, I2CER_BUSY | I2CER_TXB | I2CER_RXB);
+ out_8(&i2c_reg->i2cmr, I2CER_TXE | I2CER_TXB | I2CER_RXB);
out_8(&i2c_reg->i2cer, 0xff); /* Clear interrupt status */
/* Chip bug, set enable here */
setbits8(&i2c_reg->i2mod, I2MOD_EN); /* Enable */
@@ -552,8 +552,8 @@
cpm_reset_i2c_params(cpm);
- dev_dbg(&cpm->ofdev->dev, "i2c_ram %p, i2c_addr 0x%04x\n",
- cpm->i2c_ram, cpm->i2c_addr);
+ dev_dbg(&cpm->ofdev->dev, "i2c_ram 0x%p, i2c_addr 0x%04x, freq %d\n",
+ cpm->i2c_ram, cpm->i2c_addr, cpm->freq);
dev_dbg(&cpm->ofdev->dev, "tbase 0x%04x, rbase 0x%04x\n",
(u8 __iomem *)cpm->tbase - DPRAM_BASE,
(u8 __iomem *)cpm->rbase - DPRAM_BASE);