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soc: amlogic: meson-gx-pwrc-vpu: fix error on shutdown when domain is powered off

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When operating the system headless headless, the domain is never
powered on, leaving the clocks disabled. The shutdown function then
tries to disable the already disabled clocks, resulting in errors.
Therefore call meson_gx_pwrc_vpu_power_off() only if domain is
powered on.
This patch fixes the described issue on my system (Odorid-C2).

Fixes: 339cd0ea08 "soc: amlogic: meson-gx-pwrc-vpu: fix power-off when powered by bootloader"
Signed-off-by: Heiner Kallweit <[email protected]>
Reviewed-by: Neil Armstrong <[email protected]>
Signed-off-by: Kevin Hilman <[email protected]>
This commit is contained in:
Heiner Kallweit 2017-12-21 20:41:02 +01:00 • committed by Kevin Hilman
commit 87f88732d2
1 changed files with 5 additions and 1 deletions
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6
drivers/soc/amlogic/meson-gx-pwrc-vpu.c
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@ -225,7 +225,11 @@ static int meson_gx_pwrc_vpu_probe(struct platform_device *pdev)
static void meson_gx_pwrc_vpu_shutdown(struct platform_device *pdev)
{
meson_gx_pwrc_vpu_power_off(&vpu_hdmi_pd.genpd);
bool powered_off;
powered_off = meson_gx_pwrc_vpu_get_power(&vpu_hdmi_pd);
if (!powered_off)
meson_gx_pwrc_vpu_power_off(&vpu_hdmi_pd.genpd);
}
static const struct of_device_id meson_gx_pwrc_vpu_match_table[] = {