Re: [Patch v5 2/4] memory: tegra: Add MC error logging on tegra186 onward

Dmitry Osipenko
2022-03-19T16:19:38Z

19.03.2022 18:50, Dmitry Osipenko пишет:
>> + mc_has_channels = mc->soc->num_channels && mc->soc->get_int_channel;
>> + if (mc_has_channels) {
>> + int err;
>> +
>> + err = mc->soc->get_int_channel(mc, &channel);
>> + if (err < 0)
>> + return IRQ_NONE;
>> +
>> + /* mask all interrupts to avoid flooding */
>> + status = mc_ch_readl(mc, channel, MC_INTSTATUS) & mc->soc->intmask;
>> + } else {
>> + status = mc_readl(mc, MC_INTSTATUS) & mc->soc->intmask;
>> + }
> So if mc_has_channels=false, while it should be true, then you're going
> to handle interrupt incorrectly?

I see now that num_channels and get_int_channel are const, so I don't
see why mc_has_channels variable is needed. Use mc->soc->num_channels.

if (mc->soc->num_channels) {