Re: [PATCH v1 3/7] net: ipa: gsi: Avoid some writes during irq setup for older IPA

2021-03-02 Thread Alex Elder
On 2/11/21 11:50 AM, AngeloGioacchino Del Regno wrote: > On some IPA versions (v3.1 and older), writing to registers > GSI_INTER_EE_SRC_CH_IRQ_OFFSET and GSI_INTER_EE_SRC_EV_CH_IRQ_OFFSET > will generate a fault and the SoC will lockup. > > Avoid clearing CH and EV_CH interrupts on GSI probe to fi

[PATCH v1 3/7] net: ipa: gsi: Avoid some writes during irq setup for older IPA

2021-02-11 Thread AngeloGioacchino Del Regno
On some IPA versions (v3.1 and older), writing to registers GSI_INTER_EE_SRC_CH_IRQ_OFFSET and GSI_INTER_EE_SRC_EV_CH_IRQ_OFFSET will generate a fault and the SoC will lockup. Avoid clearing CH and EV_CH interrupts on GSI probe to fix this bad behavior: we are anyway not going to get spurious inte