Re: [PATCH V1] firmware: tegra: early resume bpmp

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On Fri, Jun 14, 2019 at 05:31:39AM -0700, Bitan Biswas wrote:
> 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@xxxxxxxxxx>
> ---
>  drivers/firmware/tegra/bpmp.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/firmware/tegra/bpmp.c b/drivers/firmware/tegra/bpmp.c
> index dd775e8..de09036 100644
> --- a/drivers/firmware/tegra/bpmp.c
> +++ b/drivers/firmware/tegra/bpmp.c
> @@ -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);
> +const struct dev_pm_ops tegra_bpmp_pm_ops = {
> +	.resume_early = tegra_bpmp_resume
> +};

I've changed this to be static while applying to for-5.3/firmware.

Thanks,
Thierry

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