lkml.org 
[lkml]   [2022]   [Mar]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [Patch v5 2/4] memory: tegra: Add MC error logging on tegra186 onward
From
16.03.2022 12:25, Ashish Mhetre пишет:
> +static int tegra186_mc_get_channel(const struct tegra_mc *mc, int *mc_channel)
> +{
> + u32 status;
> +
> + status = mc_ch_readl(mc, MC_BROADCAST_CHANNEL, MC_GLOBAL_INTSTATUS);
> +
> + 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;

This won't work if multiple bits are set at once.

\
 
 \ /
  Last update: 2022-03-20 13:54    [W:0.246 / U:0.376 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site