raspi/linux
1
0
Fork 1
mirror of https://github.com/raspberrypi/linux.git synced 2025-12-06 01:49:46 +00:00
Code Issues Projects Releases Wiki Activity

clk-bcm2835: Mark used PLLs and dividers CRITICAL

Browse Source 
The VPU configures and relies on several PLLs and dividers. Mark all
enabled dividers and their PLLs as CRITICAL to prevent the kernel from
switching them off.

Signed-off-by: Phil Elwell <phil@raspberrypi.org>
This commit is contained in:
Phil Elwell
2017-02-13 17:20:08 +00:00
committed by Dom Cobley
parent e7c335ce2a
commit 60bbca1974
1 changed files with 5 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/clk/bcm/clk-bcm2835.c
View File

@@ -1412,6 +1412,11 @@ bcm2835_register_pll_divider(struct bcm2835_cprman *cprman,
divider->div.hw.init = &init;
divider->div.table = NULL;
if (!(cprman_read(cprman, divider_data->cm_reg) & divider_data->hold_mask)) {
init.flags |= CLK_IS_CRITICAL;
divider->div.flags |= CLK_IS_CRITICAL;
}
divider->cprman = cprman;
divider->data = divider_data;