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i2c: omap: don't save a value only needed for read-clearing 

Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Wolfram Sang <wolfram@the-dreams.de>
This commit is contained in:
Wolfram Sang 2012-11-14 18:12:29 +01:00 committed by Wolfram Sang
parent ca85e248b6
commit 27e0fbefa5
1 changed files with 1 additions and 2 deletions
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3
drivers/i2c/busses/i2c-omap.c
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@ -1291,14 +1291,13 @@ static int omap_i2c_runtime_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct omap_i2c_dev *_dev = platform_get_drvdata(pdev);
u16 iv;
_dev->iestate = omap_i2c_read_reg(_dev, OMAP_I2C_IE_REG);
omap_i2c_write_reg(_dev, OMAP_I2C_IE_REG, 0);
if (_dev->rev < OMAP_I2C_OMAP1_REV_2) {
iv = omap_i2c_read_reg(_dev, OMAP_I2C_IV_REG); /* Read clears */
omap_i2c_read_reg(_dev, OMAP_I2C_IV_REG); /* Read clears */
} else {
omap_i2c_write_reg(_dev, OMAP_I2C_STAT_REG, _dev->iestate);