[PATCH 1/2] i2c: qup: Cleared the error bits in ISR
From: Wolfram Sang <hidden>
Date: 2016-06-18 16:32:40
Also in:
linux-arm-msm, linux-i2c, lkml
From: Wolfram Sang <hidden>
Date: 2016-06-18 16:32:40
Also in:
linux-arm-msm, linux-i2c, lkml
We run the command i2cdetect for address 0x3 to 0x77. The QUP generates write error for address 0x3 to 0x7 apart from other bus errors since these are reserved addresses. I was getting the crash in non DMA mode and BAM hang in DMA mode before putting the fix. Also we have connected the I2C TPM and run the following script overnight for both DMA and Non DMA mode. The script checks for all transfer length and we are generating multiple NACK and Non NACK error before each valid transfer. a=1 while [ $a -lt 4096 ] do echo $a i2cdetect -y -a -r 0 0x03 0x77 tpm-manager get_random $a i2cdetect -y -a -r 1 0x03 0x77 a=`expr $a + 1` done
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