Re: Re: [PATCH 5/5] i2c: geni: sdm845: dont perform DMA for the oneplus6

Caleb Connolly
2020-10-08T10:46:15Z

On 2020-10-08 11:03, Wolfram Sang wrote:
> On Wed, Oct 07, 2020 at 05:49:35PM +0000, Caleb Connolly wrote:
>> The OnePlus 6/T has the same issues as the c630 causing a crash when DMA
>> is used for i2c, so disable it.
>>
>> https://patchwork.kernel.org/patch/11133827/
>> Signed-off-by: Caleb Connolly <caleb@connolly.tech>
> May I ask for a quick review here, so we can get this into 5.9 if
> qcom-geni maintainers agree this is good to go?

Sorry it wasn't mentioned in my first message, this patch depends on the
rest in the series found here:
https://lore.kernel.org/linux-arm-msm/20201007174736.292968-1-caleb@connolly.tech/#r

>> ---
>> drivers/i2c/busses/i2c-qcom-geni.c | 6 ++++--
>> 1 file changed, 4 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c
>> index dead5db3315a..50a0674a6553 100644
>> --- a/drivers/i2c/busses/i2c-qcom-geni.c
>> +++ b/drivers/i2c/busses/i2c-qcom-geni.c
>> @@ -358,7 +358,8 @@ static int geni_i2c_rx_one_msg(struct geni_i2c_dev *gi2c, struct i2c_msg *msg,
>> struct geni_se *se = &gi2c->se;
>> size_t len = msg->len;
>>
>> - if (!of_machine_is_compatible("lenovo,yoga-c630"))
>> + if (!of_machine_is_compatible("lenovo,yoga-c630") &&
>> + !of_machine_is_compatible("oneplus,oneplus6"))
>> dma_buf = i2c_get_dma_safe_msg_buf(msg, 32);
>>
>> if (dma_buf)
>> @@ -400,7 +401,8 @@ static int geni_i2c_tx_one_msg(struct geni_i2c_dev *gi2c, struct i2c_msg *msg,
>> struct geni_se *se = &gi2c->se;
>> size_t len = msg->len;
>>
>> - if (!of_machine_is_compatible("lenovo,yoga-c630"))
>> + if (!of_machine_is_compatible("lenovo,yoga-c630") &&
>> + !of_machine_is_compatible("oneplus,oneplus6"))
>> dma_buf = i2c_get_dma_safe_msg_buf(msg, 32);
>>
>> if (dma_buf)
>> --
>> 2.28.0
>>
>>