diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-03-09 12:35:53 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-03-09 12:35:53 -0800 |
| commit | 263a5c8e16c34199ddf6de3f102e789ffa3ee26e (patch) | |
| tree | 4f049e339d522b2ab0ba3bed3ec217e4bbc83d35 /drivers/i2c | |
| parent | 54d20f006ceff1f2f1e69d0e54049b6c0765c039 (diff) | |
| parent | 192cfd58774b4d17b2fe8bdc77d89c2ef4e0591d (diff) | |
Merge 3.3-rc6 into driver-core-next
This was done to resolve a conflict in the drivers/base/cpu.c file.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-mxs.c | 13 | ||||
| -rw-r--r-- | drivers/i2c/busses/i2c-omap.c | 2 | ||||
| -rw-r--r-- | drivers/i2c/busses/i2c-tegra.c | 2 |
3 files changed, 12 insertions, 5 deletions
diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c index 7e78f7c87857..3d471d56bf15 100644 --- a/drivers/i2c/busses/i2c-mxs.c +++ b/drivers/i2c/busses/i2c-mxs.c @@ -72,6 +72,7 @@ #define MXS_I2C_QUEUESTAT (0x70) #define MXS_I2C_QUEUESTAT_RD_QUEUE_EMPTY 0x00002000 +#define MXS_I2C_QUEUESTAT_WRITE_QUEUE_CNT_MASK 0x0000001F #define MXS_I2C_QUEUECMD (0x80) @@ -219,14 +220,14 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, int ret; int flags; - init_completion(&i2c->cmd_complete); - dev_dbg(i2c->dev, "addr: 0x%04x, len: %d, flags: 0x%x, stop: %d\n", msg->addr, msg->len, msg->flags, stop); if (msg->len == 0) return -EINVAL; + init_completion(&i2c->cmd_complete); + flags = stop ? MXS_I2C_CTRL0_POST_SEND_STOP : 0; if (msg->flags & I2C_M_RD) @@ -286,6 +287,7 @@ static irqreturn_t mxs_i2c_isr(int this_irq, void *dev_id) { struct mxs_i2c_dev *i2c = dev_id; u32 stat = readl(i2c->regs + MXS_I2C_CTRL1) & MXS_I2C_IRQ_MASK; + bool is_last_cmd; if (!stat) return IRQ_NONE; @@ -300,9 +302,14 @@ static irqreturn_t mxs_i2c_isr(int this_irq, void *dev_id) else i2c->cmd_err = 0; - complete(&i2c->cmd_complete); + is_last_cmd = (readl(i2c->regs + MXS_I2C_QUEUESTAT) & + MXS_I2C_QUEUESTAT_WRITE_QUEUE_CNT_MASK) == 0; + + if (is_last_cmd || i2c->cmd_err) + complete(&i2c->cmd_complete); writel(stat, i2c->regs + MXS_I2C_CTRL1_CLR); + return IRQ_HANDLED; } diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index f713eac55047..801df6000e9b 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -1018,7 +1018,7 @@ omap_i2c_probe(struct platform_device *pdev) goto err_release_region; } - match = of_match_device(omap_i2c_of_match, &pdev->dev); + match = of_match_device(of_match_ptr(omap_i2c_of_match), &pdev->dev); if (match) { u32 freq = 100000; /* default to 100000 Hz */ diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 6381604696d3..0ab4a9548745 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -755,7 +755,7 @@ MODULE_DEVICE_TABLE(of, tegra_i2c_of_match); static struct platform_driver tegra_i2c_driver = { .probe = tegra_i2c_probe, - .remove = tegra_i2c_remove, + .remove = __devexit_p(tegra_i2c_remove), #ifdef CONFIG_PM .suspend = tegra_i2c_suspend, .resume = tegra_i2c_resume, |