iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

firmware: tegra: Early resume BPMP

Browse Source 
Early resume Tegra BPMP to fix Xavier clock rate error as follows:

	[  159.017101] of_serial 3110000.serial: calling platform_pm_resume+0x0/0x58 @ 317, parent: cbb
	[  159.025501] of_serial 3110000.serial: platform_pm_resume+0x0/0x58 returned 0 after 14 usecs
	[  159.033694] tegra-i2c 31c0000.i2c: calling platform_pm_resume+0x0/0x58 @ 317, parent: cbb
	[  159.042254] tegra-i2c 31c0000.i2c: failed changing clock rate: -22
	[  159.048216] PM: dpm_run_callback(): platform_pm_resume+0x0/0x58 returns -22
	[  159.055553] tegra-i2c 31c0000.i2c: platform_pm_resume+0x0/0x58 returned -22 after 13072 usecs
	[  159.063875] PM: Device 31c0000.i2c failed to resume: error -22

Signed-off-by: Bitan Biswas <bbiswas@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Bitan Biswas 2019-06-14 05:31:39 -07:00 committed by Thierry Reding
parent a188339ca5
commit 61ed7ef952
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/firmware/tegra/bpmp.c
View File

@ -811,7 +811,9 @@ static int __maybe_unused tegra_bpmp_resume(struct device *dev)
return 0;
}
static SIMPLE_DEV_PM_OPS(tegra_bpmp_pm_ops, NULL, tegra_bpmp_resume);
static const struct dev_pm_ops tegra_bpmp_pm_ops = {
.resume_early = tegra_bpmp_resume,
};
#if IS_ENABLED(CONFIG_ARCH_TEGRA_186_SOC) || \
IS_ENABLED(CONFIG_ARCH_TEGRA_194_SOC)