diff options
| author | Philippe Langlais <philippe.langlais@linaro.org> | 2011-03-21 10:36:12 +0100 |
|---|---|---|
| committer | Philippe Langlais <philippe.langlais@stericsson.com> | 2012-05-22 10:59:40 +0200 |
| commit | 83f9cd3abfe1c8689453e2f8e5c39de91c3794d7 (patch) | |
| tree | b8be80aba77a7510353fe4042f5f678e969d44d4 /drivers/i2c | |
| parent | c64437840cebe0078494bc84056b5e561752e746 (diff) | |
i2c: nomadic-i2c driver updates for clock and power, busy management
Moreover driver documentation is added in DocBook
Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-nomadik.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c index 5267ab93d55..486f392825f 100644 --- a/drivers/i2c/busses/i2c-nomadik.c +++ b/drivers/i2c/busses/i2c-nomadik.c @@ -267,6 +267,9 @@ static int init_hw(struct nmk_i2c_dev *dev) dev->cli.operation = I2C_NO_OPERATION; exit: + clk_disable(dev->clk); + + udelay(I2C_DELAY); return stat; } @@ -634,6 +637,8 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap, clk_enable(dev->clk); + dev->busy = true; + status = init_hw(dev); if (status) goto out; @@ -1047,6 +1052,7 @@ static struct platform_driver nmk_i2c_driver = { }, .probe = nmk_i2c_probe, .remove = __devexit_p(nmk_i2c_remove), + .suspend = nmk_i2c_suspend, }; static int __init nmk_i2c_init(void) |