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authorArnd Bergmann <arnd@arndb.de>2022-11-21 15:54:29 +0300
committerArnd Bergmann <arnd@arndb.de>2022-11-21 15:54:30 +0300
commit26a1200241f8eb4b6a84660b07843c743ba6b64c (patch)
treef74278f5b7b839380824f605af81b2bcc983039e /drivers/soc
parentcb667ad7524aa5786137da7ec6312454433d6702 (diff)
parent98572487e5c615ac9edfb105aca9b3f3bd1b4b7c (diff)
downloadlinux-26a1200241f8eb4b6a84660b07843c743ba6b64c.tar.xz
Merge tag 'imx-drivers-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into soc/drivers
i.MX drivers change for 6.2: - Improve imx8m-blk-ctrl driver to allow deferred probe in case that 'bus' genpd is not yet ready. - Add missing USB_1_PHY PD for i.MX scu-pd firmware driver. - Add GENPD_FLAG_ACTIVE_WAKEUP flag for i.MX8MM/N in GPCv2 driver, so that the power domain remains on if USB remote wakeup is enabled. * tag 'imx-drivers-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: soc: imx: gpcv2: add GENPD_FLAG_ACTIVE_WAKEUP flag for usb of imx8mm/n firmware: imx: scu-pd: add missed USB_1_PHY pd soc: imx: imx8m-blk-ctrl: Defer probe if 'bus' genpd is not yet ready Link: https://lore.kernel.org/r/20221119125733.32719-1-shawnguo@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/soc')
-rw-r--r--drivers/soc/imx/gpcv2.c3
-rw-r--r--drivers/soc/imx/imx8m-blk-ctrl.c11
2 files changed, 11 insertions, 3 deletions
diff --git a/drivers/soc/imx/gpcv2.c b/drivers/soc/imx/gpcv2.c
index 88aee59730e3..7a47d14fde44 100644
--- a/drivers/soc/imx/gpcv2.c
+++ b/drivers/soc/imx/gpcv2.c
@@ -755,6 +755,7 @@ static const struct imx_pgc_domain imx8mm_pgc_domains[] = {
[IMX8MM_POWER_DOMAIN_OTG1] = {
.genpd = {
.name = "usb-otg1",
+ .flags = GENPD_FLAG_ACTIVE_WAKEUP,
},
.bits = {
.pxx = IMX8MM_OTG1_SW_Pxx_REQ,
@@ -766,6 +767,7 @@ static const struct imx_pgc_domain imx8mm_pgc_domains[] = {
[IMX8MM_POWER_DOMAIN_OTG2] = {
.genpd = {
.name = "usb-otg2",
+ .flags = GENPD_FLAG_ACTIVE_WAKEUP,
},
.bits = {
.pxx = IMX8MM_OTG2_SW_Pxx_REQ,
@@ -1232,6 +1234,7 @@ static const struct imx_pgc_domain imx8mn_pgc_domains[] = {
[IMX8MN_POWER_DOMAIN_OTG1] = {
.genpd = {
.name = "usb-otg1",
+ .flags = GENPD_FLAG_ACTIVE_WAKEUP,
},
.bits = {
.pxx = IMX8MN_OTG1_SW_Pxx_REQ,
diff --git a/drivers/soc/imx/imx8m-blk-ctrl.c b/drivers/soc/imx/imx8m-blk-ctrl.c
index 00879615a701..ddcf6be3d8b4 100644
--- a/drivers/soc/imx/imx8m-blk-ctrl.c
+++ b/drivers/soc/imx/imx8m-blk-ctrl.c
@@ -210,9 +210,14 @@ static int imx8m_blk_ctrl_probe(struct platform_device *pdev)
return -ENOMEM;
bc->bus_power_dev = genpd_dev_pm_attach_by_name(dev, "bus");
- if (IS_ERR(bc->bus_power_dev))
- return dev_err_probe(dev, PTR_ERR(bc->bus_power_dev),
- "failed to attach power domain \"bus\"\n");
+ if (IS_ERR(bc->bus_power_dev)) {
+ if (PTR_ERR(bc->bus_power_dev) == -ENODEV)
+ return dev_err_probe(dev, -EPROBE_DEFER,
+ "failed to attach power domain \"bus\"\n");
+ else
+ return dev_err_probe(dev, PTR_ERR(bc->bus_power_dev),
+ "failed to attach power domain \"bus\"\n");
+ }
for (i = 0; i < bc_data->num_domains; i++) {
const struct imx8m_blk_ctrl_domain_data *data = &bc_data->domains[i];