drivers: meson: secure-pwrc: always enable DMA domain

Starting from commit e45f243409db ("firmware: meson_sm:
populate platform devices from sm device tree data") pwrc
is probed successfully and disables unused pwr domains.
By A1 SoC family design, any TEE requires DMA pwr domain
always enabled.

Fixes: b3dde5013e13 ("soc: amlogic: Add support for Secure power domains controller")
Signed-off-by: Alexey Romanov <avromanov@sberdevices.ru>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230610090414.90529-1-avromanov@sberdevices.ru
[narmstrong: added fixes tag]
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>

diff --git a/drivers/soc/amlogic/meson-secure-pwrc.c b/drivers/soc/amlogic/meson-secure-pwrc.c
index e935187..25b4b71 100644 (file)
--- a/drivers/soc/amlogic/meson-secure-pwrc.c
+++ b/drivers/soc/amlogic/meson-secure-pwrc.c
@@ -105,7 +105,7 @@ static struct meson_secure_pwrc_domain_desc a1_pwrc_domains[] = {
        SEC_PD(ACODEC,  0),
        SEC_PD(AUDIO,   0),
        SEC_PD(OTP,     0),
-       SEC_PD(DMA,     0),
+       SEC_PD(DMA,     GENPD_FLAG_ALWAYS_ON | GENPD_FLAG_IRQ_SAFE),
        SEC_PD(SD_EMMC, 0),
        SEC_PD(RAMA,    0),
        /* SRAMB is used as ATF runtime memory, and should be always on */