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authorIngo Molnar <mingo@elte.hu>2010-05-10 13:12:26 +0200
committerIngo Molnar <mingo@elte.hu>2010-05-10 13:12:29 +0200
commit7c224a03a79021ab12ce057964df9e679af5386d (patch)
tree809dbf3bcb5978e7b1845eb4c46179f1c9405f0c /drivers/i2c/busses
parentoprofile/x86: remove duplicate IBS capability check (diff)
parentLinux 2.6.34-rc7 (diff)
downloadlinux-7c224a03a79021ab12ce057964df9e679af5386d.tar.xz
linux-7c224a03a79021ab12ce057964df9e679af5386d.zip
Merge commit 'v2.6.34-rc7' into oprofile
Merge reason: Update to Linus's latest -rc. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/i2c/busses')
-rw-r--r--drivers/i2c/busses/i2c-imx.c6
-rw-r--r--drivers/i2c/busses/i2c-octeon.c4
-rw-r--r--drivers/i2c/busses/i2c-omap.c10
-rw-r--r--drivers/i2c/busses/i2c-pnx.c8
-rw-r--r--drivers/i2c/busses/i2c-stu300.c2
5 files changed, 20 insertions, 10 deletions
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index f7e27b702375..d1ff9408dc1f 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -146,10 +146,10 @@ static int i2c_imx_bus_busy(struct imx_i2c_struct *i2c_imx, int for_busy)
"<%s> I2C Interrupted\n", __func__);
return -EINTR;
}
- if (time_after(jiffies, orig_jiffies + HZ / 1000)) {
+ if (time_after(jiffies, orig_jiffies + msecs_to_jiffies(500))) {
dev_dbg(&i2c_imx->adapter.dev,
"<%s> I2C bus is busy\n", __func__);
- return -EIO;
+ return -ETIMEDOUT;
}
schedule();
}
@@ -444,6 +444,8 @@ static int i2c_imx_xfer(struct i2c_adapter *adapter,
result = i2c_imx_read(i2c_imx, &msgs[i]);
else
result = i2c_imx_write(i2c_imx, &msgs[i]);
+ if (result)
+ goto fail0;
}
fail0:
diff --git a/drivers/i2c/busses/i2c-octeon.c b/drivers/i2c/busses/i2c-octeon.c
index a2481f40ea1c..0e9f85d0a835 100644
--- a/drivers/i2c/busses/i2c-octeon.c
+++ b/drivers/i2c/busses/i2c-octeon.c
@@ -447,7 +447,7 @@ static struct i2c_adapter octeon_i2c_ops = {
/**
* octeon_i2c_setclock - Calculate and set clock divisors.
*/
-static int __init octeon_i2c_setclock(struct octeon_i2c *i2c)
+static int __devinit octeon_i2c_setclock(struct octeon_i2c *i2c)
{
int tclk, thp_base, inc, thp_idx, mdiv_idx, ndiv_idx, foscl, diff;
int thp = 0x18, mdiv = 2, ndiv = 0, delta_hz = 1000000;
@@ -490,7 +490,7 @@ static int __init octeon_i2c_setclock(struct octeon_i2c *i2c)
return 0;
}
-static int __init octeon_i2c_initlowlevel(struct octeon_i2c *i2c)
+static int __devinit octeon_i2c_initlowlevel(struct octeon_i2c *i2c)
{
u8 status;
int tries;
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 6bd0f19cd451..389ac6032a7b 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -903,6 +903,11 @@ omap_i2c_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, dev);
+ if (cpu_is_omap7xx())
+ dev->reg_shift = 1;
+ else
+ dev->reg_shift = 2;
+
if ((r = omap_i2c_get_clocks(dev)) != 0)
goto err_iounmap;
@@ -926,11 +931,6 @@ omap_i2c_probe(struct platform_device *pdev)
dev->b_hw = 1; /* Enable hardware fixes */
}
- if (cpu_is_omap7xx())
- dev->reg_shift = 1;
- else
- dev->reg_shift = 2;
-
/* reset ASAP, clearing any IRQs */
omap_i2c_init(dev);
diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c
index 247103372a06..a97e3fec8148 100644
--- a/drivers/i2c/busses/i2c-pnx.c
+++ b/drivers/i2c/busses/i2c-pnx.c
@@ -173,6 +173,9 @@ static int i2c_pnx_master_xmit(struct i2c_pnx_algo_data *alg_data)
/* We still have something to talk about... */
val = *alg_data->mif.buf++;
+ if (alg_data->mif.len == 1)
+ val |= stop_bit;
+
alg_data->mif.len--;
iowrite32(val, I2C_REG_TX(alg_data));
@@ -246,6 +249,9 @@ static int i2c_pnx_master_rcv(struct i2c_pnx_algo_data *alg_data)
__func__);
if (alg_data->mif.len == 1) {
+ /* Last byte, do not acknowledge next rcv. */
+ val |= stop_bit;
+
/*
* Enable interrupt RFDAIE (data in Rx fifo),
* and disable DRMIE (need data for Tx)
@@ -633,6 +639,8 @@ static int __devinit i2c_pnx_probe(struct platform_device *pdev)
*/
tmp = ((freq / 1000) / I2C_PNX_SPEED_KHZ) / 2 - 2;
+ if (tmp > 0x3FF)
+ tmp = 0x3FF;
iowrite32(tmp, I2C_REG_CKH(alg_data));
iowrite32(tmp, I2C_REG_CKL(alg_data));
diff --git a/drivers/i2c/busses/i2c-stu300.c b/drivers/i2c/busses/i2c-stu300.c
index 1f5b38be73bc..495be451d326 100644
--- a/drivers/i2c/busses/i2c-stu300.c
+++ b/drivers/i2c/busses/i2c-stu300.c
@@ -498,7 +498,7 @@ static int stu300_set_clk(struct stu300_dev *dev, unsigned long clkrate)
int i = 0;
/* Locate the apropriate clock setting */
- while (i < ARRAY_SIZE(stu300_clktable) &&
+ while (i < ARRAY_SIZE(stu300_clktable) - 1 &&
stu300_clktable[i].rate < clkrate)
i++;