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authorIngo Molnar <mingo@kernel.org>2018-07-17 09:27:43 +0200
committerIngo Molnar <mingo@kernel.org>2018-07-17 09:27:43 +0200
commit52b544bd386688177c41d53e748111c29d0ccc98 (patch)
treec2083582176e773084364af93cc44e0f94b6cde8 /drivers/i2c/algos/i2c-algo-bit.c
parentafed7bcf9487bb28e2e2b016a195085c07416c0b (diff)
parent9d3cce1e8b8561fed5f383d22a4d6949db4eadbe (diff)
Merge tag 'v4.18-rc5' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/i2c/algos/i2c-algo-bit.c')
-rw-r--r--drivers/i2c/algos/i2c-algo-bit.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c
index 4a34f311e1ff..6ec65adaba49 100644
--- a/drivers/i2c/algos/i2c-algo-bit.c
+++ b/drivers/i2c/algos/i2c-algo-bit.c
@@ -647,10 +647,10 @@ static int __i2c_bit_add_bus(struct i2c_adapter *adap,
if (bit_adap->getscl == NULL)
adap->quirks = &i2c_bit_quirk_no_clk_stretch;
- /* Bring bus to a known state. Looks like STOP if bus is not free yet */
- setscl(bit_adap, 1);
- udelay(bit_adap->udelay);
- setsda(bit_adap, 1);
+ /*
+ * We tried forcing SCL/SDA to an initial state here. But that caused a
+ * regression, sadly. Check Bugzilla #200045 for details.
+ */
ret = add_adapter(adap);
if (ret < 0)