Messages in this thread Patch in this message | | | From | Peter Rosin <> | Subject | [PATCH v2 2/2] ARM: dts: at91: disable the nxp,se97b SMBUS timeout on the TSE-850 | Date | Mon, 27 Nov 2017 17:31:01 +0100 |
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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 --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 { -- 2.11.0
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