diff mbox series

[V2,5/6] power: imx8: Check owned resource in power on

Message ID 20200504131654.17085-5-peng.fan@nxp.com
State New
Headers show
Series [V2,1/6] dt-bindings: imx_rsrc: add SC_R_NONE | expand

Commit Message

Peng Fan May 4, 2020, 1:16 p.m. UTC 
From: Ye Li <ye.li at nxp.com>

When fspi is assigned to M4, we have to let the fspi probe failed when
its power domain is failed to power up. Because not all devices have power
domain (for example, external devices on the board). Current checking
resource owner in power domain probe is not good, change to check it in
power on.

Signed-off-by: Ye Li <ye.li at nxp.com>
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 drivers/power/domain/imx8-power-domain-legacy.c | 3 +++
 1 file changed, 3 insertions(+)

Comments

Stefano Babic May 11, 2020, 10:18 a.m. UTC | #1 
> From: Ye Li <ye.li at nxp.com>
> When fspi is assigned to M4, we have to let the fspi probe failed when
> its power domain is failed to power up. Because not all devices have power
> domain (for example, external devices on the board). Current checking
> resource owner in power domain probe is not good, change to check it in
> power on.
> Signed-off-by: Ye Li <ye.li at nxp.com>
> Signed-off-by: Peng Fan <peng.fan at nxp.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic
diff mbox series

Patch

diff --git a/drivers/power/domain/imx8-power-domain-legacy.c b/drivers/power/domain/imx8-power-domain-legacy.c
index b68be40766..a5f2f8a445 100644
--- a/drivers/power/domain/imx8-power-domain-legacy.c
+++ b/drivers/power/domain/imx8-power-domain-legacy.c
@@ -91,6 +91,9 @@  static int imx8_power_domain_on(struct power_domain *power_domain)
 		return 0;
 
 	if (pdata->resource_id != SC_R_LAST) {
+		if (!sc_rm_is_resource_owned(-1, pdata->resource_id))
+			printf("%s [%d] not owned by curr partition\n", dev->name, pdata->resource_id);
+
 		ret = sc_pm_set_resource_power_mode(-1, pdata->resource_id,
 						    SC_PM_PW_MODE_ON);
 		if (ret) {