On 21-11-20, 19:41, Bjorn Andersson wrote:
> From: Stephen Boyd
>
> The SMMU that sits in front of the QUP needs to be programmed properly
> so that the i2c geni driver can allocate DMA descriptors. Failure to do
> this leads to faults when using devices such as an i2c touchscreen where
> the tra
On 2020-11-22 03:41, Bjorn Andersson wrote:
> From: Stephen Boyd
>
> The SMMU that sits in front of the QUP needs to be programmed properly
> so that the i2c geni driver can allocate DMA descriptors. Failure to do
> this leads to faults when using devices such as an i2c touchscreen where
> the tra
From: Stephen Boyd
The SMMU that sits in front of the QUP needs to be programmed properly
so that the i2c geni driver can allocate DMA descriptors. Failure to do
this leads to faults when using devices such as an i2c touchscreen where
the transaction is larger than 32 bytes and we use a DMA buffe
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