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authorWolfram Sang <wsa@the-dreams.de>2015-06-16 20:47:21 +0300
committerWolfram Sang <wsa@the-dreams.de>2015-06-21 22:16:26 +0300
commit4bb28e37765f4b5b18cb3b9242aa8542e8c4b8b4 (patch)
treef4fb9241327866999f10ab76ddc10278f666dbd1 /drivers/i2c
parente8e523a42a236d0e80a5651741cfc916aa298e3f (diff)
downloadlinux-4bb28e37765f4b5b18cb3b9242aa8542e8c4b8b4.tar.xz
i2c: tegra: don't advertise SMBUS_QUICK
This HW cannot send 0-byte-length messages and the driver discards them. So, we should not advertise SMBUS_QUICK. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-tegra.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index 1bcd75ea0b4c..0a1b6eacef0f 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -656,8 +656,8 @@ static int tegra_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
static u32 tegra_i2c_func(struct i2c_adapter *adap)
{
struct tegra_i2c_dev *i2c_dev = i2c_get_adapdata(adap);
- u32 ret = I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | I2C_FUNC_10BIT_ADDR |
- I2C_FUNC_PROTOCOL_MANGLING;
+ u32 ret = I2C_FUNC_I2C | (I2C_FUNC_SMBUS_EMUL & ~I2C_FUNC_SMBUS_QUICK) |
+ I2C_FUNC_10BIT_ADDR | I2C_FUNC_PROTOCOL_MANGLING;
if (i2c_dev->hw->has_continue_xfer_support)
ret |= I2C_FUNC_NOSTART;