diff mbox

[2/2] ARM: dts: at91: disable the nxp,se97b SMBUS timeout on the TSE-850

Message ID 20171013092705.7038-3-peda@axentia.se (mailing list archive)
State Superseded
Headers show

Commit Message

Peter Rosin Oct. 13, 2017, 9:27 a.m. UTC 
The I2C adapter driver is sometimes slow, causing the SCL line to
be stuck low for more than the stipulated SMBUS timeout of 25-35 ms.
This causes the client device to give up which in turn causes silent
corruption of data. So, disable the SMBUS timeout in the client device.

Signed-off-by: Peter Rosin <peda@axentia.se>
---
 arch/arm/boot/dts/at91-tse850-3.dts | 1 +
 1 file changed, 1 insertion(+)
diff mbox

Patch

diff --git a/arch/arm/boot/dts/at91-tse850-3.dts b/arch/arm/boot/dts/at91-tse850-3.dts
index 5f29010cdbd8..9b82cc8843e1 100644
--- a/arch/arm/boot/dts/at91-tse850-3.dts
+++ b/arch/arm/boot/dts/at91-tse850-3.dts
@@ -221,6 +221,7 @@ 
 	jc42@18 {
 		compatible = "nxp,se97b", "jedec,jc-42.4-temp";
 		reg = <0x18>;
+		smbus-timeout-disable;
 	};
 
 	dpot: mcp4651-104@28 {