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authorLinus Torvalds <torvalds@linux-foundation.org>2018-09-07 17:30:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-09-07 17:30:40 -0700
commitd7b686ebf704e3d91925a535a0905ba6be23757c (patch)
treeb2c1a1f69ad436e66134a78509d4524bac926735 /drivers/i2c/busses/i2c-uniphier.c
parent2c34a0e041a7063e6e3b3be8866a88975f3342d4 (diff)
parentda4dfaf8428d9f71e2ac4f736bacb81adab36504 (diff)
Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang: - bugfixes for uniphier, i801, and xiic drivers - ID removal (never produced) for imx - one MAINTAINER addition * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: xiic: Record xilinx i2c with Zynq fragment i2c: xiic: Make the start and the byte count write atomic i2c: i801: fix DNV's SMBCTRL register offset i2c: imx-lpi2c: Remove mx8dv compatible entry dt-bindings: imx-lpi2c: Remove mx8dv compatible entry i2c: uniphier-f: issue STOP only for last message or I2C_M_STOP i2c: uniphier: issue STOP only for last message or I2C_M_STOP
Diffstat (limited to 'drivers/i2c/busses/i2c-uniphier.c')
-rw-r--r--drivers/i2c/busses/i2c-uniphier.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/i2c/busses/i2c-uniphier.c b/drivers/i2c/busses/i2c-uniphier.c
index bb181b088291..454f914ae66d 100644
--- a/drivers/i2c/busses/i2c-uniphier.c
+++ b/drivers/i2c/busses/i2c-uniphier.c
@@ -248,11 +248,8 @@ static int uniphier_i2c_master_xfer(struct i2c_adapter *adap,
return ret;
for (msg = msgs; msg < emsg; msg++) {
- /* If next message is read, skip the stop condition */
- bool stop = !(msg + 1 < emsg && msg[1].flags & I2C_M_RD);
- /* but, force it if I2C_M_STOP is set */
- if (msg->flags & I2C_M_STOP)
- stop = true;
+ /* Emit STOP if it is the last message or I2C_M_STOP is set. */
+ bool stop = (msg + 1 == emsg) || (msg->flags & I2C_M_STOP);
ret = uniphier_i2c_master_xfer_one(adap, msg, stop);
if (ret)