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SubjectRe: [PATCH v1] ata: ahci_tegra: call tegra_powergate_power_off only when PM domain is not present
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08.04.2021 19:40, Sowjanya Komatineni пишет:
> This patch adds a check on present of PM domain and calls legacy power
> domain API tegra_powergate_power_off() only when PM domain is not present.
>
> This is a follow-up patch to Tegra186 AHCI support patch series
> https://lore.kernel.org/patchwork/cover/1408752/
>
> Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
>
> ---
> drivers/ata/ahci_tegra.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/ata/ahci_tegra.c b/drivers/ata/ahci_tegra.c
> index 56612af..bd484dd 100644
> --- a/drivers/ata/ahci_tegra.c
> +++ b/drivers/ata/ahci_tegra.c
> @@ -287,7 +287,8 @@ static void tegra_ahci_power_off(struct ahci_host_priv *hpriv)
> reset_control_assert(tegra->sata_cold_rst);
>
> clk_disable_unprepare(tegra->sata_clk);
> - tegra_powergate_power_off(TEGRA_POWERGATE_SATA);
> + if (!tegra->pdev->dev.pm_domain)
> + tegra_powergate_power_off(TEGRA_POWERGATE_SATA);
>
> regulator_bulk_disable(tegra->soc->num_supplies, tegra->supplies);
> }
>

There are two instances of tegra_powergate_power_off() in the driver.

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