From: Wolfram Sang <wsa@the-dreams.de>
To: Abhishek Sahu <absahu@codeaurora.org>
Cc: Andy Gross <andy.gross@linaro.org>,
Sricharan <sricharan@codeaurora.org>,
Andy Gross <agross@codeaurora.org>,
Archit Taneja <architt@codeaurora.org>,
linux-arm-msm <linux-arm-msm@vger.kernel.org>,
ntelkar@codeaurora.org,
Linux Kernel list <linux-kernel@vger.kernel.org>,
linux-i2c@vger.kernel.org, dmaengine@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/2] i2c: qup: Cleared the error bits in ISR
Date: Sat, 18 Jun 2016 18:32:28 +0200 [thread overview]
Message-ID: <20160618163228.GG3017@tetsubishi> (raw)
In-Reply-To: <20160512202755.GA3680@chewinlnx07.qualcomm.com>
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> 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
So, what is the outcome of this discussion?
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From: wsa@the-dreams.de (Wolfram Sang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] i2c: qup: Cleared the error bits in ISR
Date: Sat, 18 Jun 2016 18:32:28 +0200 [thread overview]
Message-ID: <20160618163228.GG3017@tetsubishi> (raw)
In-Reply-To: <20160512202755.GA3680@chewinlnx07.qualcomm.com>
> 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
So, what is the outcome of this discussion?
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next prev parent reply other threads:[~2016-06-18 16:32 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-09 12:44 [PATCH 0/2] i2c: qup: Fixed the DMA transfer errors Abhishek Sahu
2016-05-09 12:44 ` Abhishek Sahu
2016-05-09 12:44 ` Abhishek Sahu
2016-05-09 12:44 ` [PATCH 1/2] i2c: qup: Cleared the error bits in ISR Abhishek Sahu
2016-05-09 12:44 ` Abhishek Sahu
2016-05-11 15:57 ` Sricharan
2016-05-11 15:57 ` Sricharan
2016-05-11 15:57 ` Sricharan
2016-05-11 17:34 ` Abhishek Sahu
2016-05-11 17:34 ` Abhishek Sahu
2016-05-12 2:28 ` Sricharan
2016-05-12 2:28 ` Sricharan
2016-05-12 2:28 ` Sricharan
2016-05-12 5:13 ` Andy Gross
2016-05-12 5:13 ` Andy Gross
2016-05-12 6:18 ` Abhishek Sahu
2016-05-12 6:18 ` Abhishek Sahu
2016-05-12 17:58 ` Andy Gross
2016-05-12 17:58 ` Andy Gross
2016-05-12 19:32 ` Abhishek Sahu
2016-05-12 19:32 ` Abhishek Sahu
2016-05-12 20:05 ` Andy Gross
2016-05-12 20:05 ` Andy Gross
2016-05-12 20:27 ` Abhishek Sahu
2016-05-12 20:27 ` Abhishek Sahu
2016-06-18 16:32 ` Wolfram Sang [this message]
2016-06-18 16:32 ` Wolfram Sang
2016-06-20 12:48 ` Abhishek Sahu
2016-06-20 12:48 ` Abhishek Sahu
2016-07-15 6:33 ` Wolfram Sang
2016-07-15 6:33 ` Wolfram Sang
2016-05-09 12:44 ` [PATCH 2/2] i2c: qup: Fixed the DMA segments length Abhishek Sahu
2016-05-09 12:44 ` Abhishek Sahu
2016-05-11 16:18 ` Sricharan
2016-05-11 16:18 ` Sricharan
2016-05-11 16:18 ` Sricharan
2016-05-11 17:43 ` Abhishek Sahu
2016-05-11 17:43 ` Abhishek Sahu
2016-07-15 6:38 ` Wolfram Sang
2016-07-15 6:38 ` Wolfram Sang
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