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authorUlf Hansson <ulf.hansson@linaro.org>2014-02-19 13:27:47 +0100
committerWolfram Sang <wsa@the-dreams.de>2014-03-05 17:11:01 +0100
commit624df09f3a20b7073289d7f7d8672734ca1339a9 (patch)
treef4d180f36ddedc2ccd3ba9717c90963aaaa665b2 /drivers/i2c/busses/i2c-nomadik.c
parenti2c: nomadik: Convert to late and early system PM callbacks (diff)
downloadlinux-624df09f3a20b7073289d7f7d8672734ca1339a9.tar.xz
linux-624df09f3a20b7073289d7f7d8672734ca1339a9.zip
i2c: nomadik: Remove busy check for transfers at suspend late
We should never be busy performing transfers at suspend late, thus there are no reason to check for it. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c/busses/i2c-nomadik.c')
-rw-r--r--drivers/i2c/busses/i2c-nomadik.c13
1 files changed, 0 insertions, 13 deletions
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c
index 89f40ea2299d..dfbb800a8a8d 100644
--- a/drivers/i2c/busses/i2c-nomadik.c
+++ b/drivers/i2c/busses/i2c-nomadik.c
@@ -167,7 +167,6 @@ struct i2c_nmk_client {
* @stop: stop condition.
* @xfer_complete: acknowledge completion for a I2C message.
* @result: controller propogated result.
- * @busy: Busy doing transfer.
*/
struct nmk_i2c_dev {
struct i2c_vendor_data *vendor;
@@ -185,7 +184,6 @@ struct nmk_i2c_dev {
int stop;
struct completion xfer_complete;
int result;
- bool busy;
};
/* controller's abort causes */
@@ -671,8 +669,6 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap,
struct nmk_i2c_dev *dev = i2c_get_adapdata(i2c_adap);
int j;
- dev->busy = true;
-
pm_runtime_get_sync(&dev->adev->dev);
/* Attempt three times to send the message queue */
@@ -697,8 +693,6 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap,
pm_runtime_put_sync(&dev->adev->dev);
- dev->busy = false;
-
/* return the no. messages processed */
if (status)
return status;
@@ -885,12 +879,6 @@ static irqreturn_t i2c_irq_handler(int irq, void *arg)
#ifdef CONFIG_PM_SLEEP
static int nmk_i2c_suspend_late(struct device *dev)
{
- struct amba_device *adev = to_amba_device(dev);
- struct nmk_i2c_dev *nmk_i2c = amba_get_drvdata(adev);
-
- if (nmk_i2c->busy)
- return -EBUSY;
-
pinctrl_pm_select_sleep_state(dev);
return 0;
@@ -992,7 +980,6 @@ static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id)
goto err_no_mem;
}
dev->vendor = vendor;
- dev->busy = false;
dev->adev = adev;
nmk_i2c_of_probe(np, dev);