Re: [Patch v5 2/4] memory: tegra: Add MC error logging on tegra186 onward
From: Dmitry Osipenko
Date: Tue Mar 29 2022 - 20:01:50 EST
On 3/22/22 20:34, Ashish Mhetre wrote:
>>> + switch (status & mc->soc->int_channel_mask) {
>>> + case BIT(0):
>>> + *mc_channel = 0;
>>> + break;
>>> +
>>> + case BIT(1):
>>> + *mc_channel = 1;
>>> + break;
>>> +
>>> + case BIT(2):
>>> + *mc_channel = 2;
>>> + break;
>>> +
>>> + case BIT(3):
>>> + *mc_channel = 3;
>>> + break;
>>> +
>>> + case BIT(24):
>>> + *mc_channel = MC_BROADCAST_CHANNEL;
>>> + break;
>>> +
>>> + default:
>>> + pr_err("Unknown interrupt source\n");
>>
>> dev_err_ratelimited("unknown interrupt channel 0x%08x\n", status) and
>> should be moved to the common interrupt handler.
>>
> So return just error from default case and handle error in common
> interrupt handler with this print, right? I'll update this in next
> version.
Yes, just move out the common print.
Although, you could parameterize the shift per SoC and then have a
common helper that does "status >> intmask_chan_shift", couldn't you?