* [PATCH v4 1/2] usb: cdns3: add power lost support for system resume
@ 2021-02-18 22:51 ` Frank Li
0 siblings, 0 replies; 6+ messages in thread
From: Frank Li @ 2021-02-18 22:51 UTC (permalink / raw)
To: peter.chen, pawell, a-govindraju, linux-imx, linux-usb, linux-arm-kernel
If the controller lost its power during the system suspend, we need
to do all initialiation operations.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
Change from v3 to v4
- add an empty line
Change from v1 to v3.
- fix build error
- remove ret variable at cdns_is_power_lost
drivers/usb/cdns3/cdns3-gadget.c | 2 ++
drivers/usb/cdns3/cdns3-plat.c | 23 ++++++++++++++++++++++-
drivers/usb/cdns3/core.c | 29 ++++++++++++++++++++++++++++-
drivers/usb/cdns3/drd.c | 16 ++++++++++++++++
drivers/usb/cdns3/drd.h | 2 +-
5 files changed, 69 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/cdns3/cdns3-gadget.c b/drivers/usb/cdns3/cdns3-gadget.c
index 582bfeceedb4..44b7301b1888 100644
--- a/drivers/usb/cdns3/cdns3-gadget.c
+++ b/drivers/usb/cdns3/cdns3-gadget.c
@@ -3304,6 +3304,8 @@ static int cdns3_gadget_resume(struct cdns *cdns, bool hibernated)
return 0;
cdns3_gadget_config(priv_dev);
+ if (hibernated)
+ writel(USB_CONF_DEVEN, &priv_dev->regs->usb_conf);
return 0;
}
diff --git a/drivers/usb/cdns3/cdns3-plat.c b/drivers/usb/cdns3/cdns3-plat.c
index 4b18e1c6a4bb..e1deeada425c 100644
--- a/drivers/usb/cdns3/cdns3-plat.c
+++ b/drivers/usb/cdns3/cdns3-plat.c
@@ -19,6 +19,7 @@
#include "core.h"
#include "gadget-export.h"
+#include "drd.h"
static int set_phy_power_on(struct cdns *cdns)
{
@@ -236,6 +237,18 @@ static int cdns3_controller_resume(struct device *dev, pm_message_t msg)
if (!cdns->in_lpm)
return 0;
+ if (cdns_power_is_lost(cdns)) {
+ phy_exit(cdns->usb2_phy);
+ ret = phy_init(cdns->usb2_phy);
+ if (ret)
+ return ret;
+
+ phy_exit(cdns->usb3_phy);
+ ret = phy_init(cdns->usb3_phy);
+ if (ret)
+ return ret;
+ }
+
ret = set_phy_power_on(cdns);
if (ret)
return ret;
@@ -270,10 +283,18 @@ static int cdns3_plat_runtime_resume(struct device *dev)
static int cdns3_plat_suspend(struct device *dev)
{
struct cdns *cdns = dev_get_drvdata(dev);
+ int ret;
cdns_suspend(cdns);
- return cdns3_controller_suspend(dev, PMSG_SUSPEND);
+ ret = cdns3_controller_suspend(dev, PMSG_SUSPEND);
+ if (ret)
+ return ret;
+
+ if (device_may_wakeup(dev) && cdns->wakeup_irq)
+ enable_irq_wake(cdns->wakeup_irq);
+
+ return ret;
}
static int cdns3_plat_resume(struct device *dev)
diff --git a/drivers/usb/cdns3/core.c b/drivers/usb/cdns3/core.c
index 199713769289..5d486c8a9d99 100644
--- a/drivers/usb/cdns3/core.c
+++ b/drivers/usb/cdns3/core.c
@@ -525,9 +525,36 @@ EXPORT_SYMBOL_GPL(cdns_suspend);
int cdns_resume(struct cdns *cdns, u8 set_active)
{
struct device *dev = cdns->dev;
+ enum usb_role real_role;
+ bool role_changed = false;
+ int ret;
+
+ if (cdns_power_is_lost(cdns)) {
+ if (cdns->role_sw) {
+ cdns->role = cdns_role_get(cdns->role_sw);
+ } else {
+ real_role = cdns_hw_role_state_machine(cdns);
+ if (real_role != cdns->role) {
+ ret = cdns_hw_role_switch(cdns);
+ if (ret)
+ return ret;
+ role_changed = true;
+ }
+ }
+
+ if (!role_changed) {
+ if (cdns->role == USB_ROLE_HOST)
+ ret = cdns_drd_host_on(cdns);
+ else if (cdns->role == USB_ROLE_DEVICE)
+ ret = cdns_drd_gadget_on(cdns);
+
+ if (ret)
+ return ret;
+ }
+ }
if (cdns->roles[cdns->role]->resume)
- cdns->roles[cdns->role]->resume(cdns, false);
+ cdns->roles[cdns->role]->resume(cdns, cdns_power_is_lost(cdns));
if (set_active) {
pm_runtime_disable(dev);
diff --git a/drivers/usb/cdns3/drd.c b/drivers/usb/cdns3/drd.c
index 605a413db727..1213c540deb3 100644
--- a/drivers/usb/cdns3/drd.c
+++ b/drivers/usb/cdns3/drd.c
@@ -478,3 +478,19 @@ int cdns_drd_exit(struct cdns *cdns)
return 0;
}
+
+
+/* Indicate the cdns3 core was power lost before */
+bool cdns_power_is_lost(struct cdns *cdns)
+{
+ if (cdns->version == CDNS3_CONTROLLER_V1) {
+ if (!(readl(&cdns->otg_v1_regs->simulate) & BIT(0)))
+ return true;
+ } else {
+ if (!(readl(&cdns->otg_v0_regs->simulate) & BIT(0)))
+ return true;
+ }
+ return false;
+}
+
+EXPORT_SYMBOL_GPL(cdns_power_is_lost);
diff --git a/drivers/usb/cdns3/drd.h b/drivers/usb/cdns3/drd.h
index 9724acdecbbb..cbdf94f73ed9 100644
--- a/drivers/usb/cdns3/drd.h
+++ b/drivers/usb/cdns3/drd.h
@@ -215,5 +215,5 @@ int cdns_drd_gadget_on(struct cdns *cdns);
void cdns_drd_gadget_off(struct cdns *cdns);
int cdns_drd_host_on(struct cdns *cdns);
void cdns_drd_host_off(struct cdns *cdns);
-
+bool cdns_power_is_lost(struct cdns *cdns);
#endif /* __LINUX_CDNS3_DRD */
--
2.25.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH v4 1/2] usb: cdns3: add power lost support for system resume
@ 2021-02-18 22:51 ` Frank Li
0 siblings, 0 replies; 6+ messages in thread
From: Frank Li @ 2021-02-18 22:51 UTC (permalink / raw)
To: peter.chen, pawell, a-govindraju, linux-imx, linux-usb, linux-arm-kernel
If the controller lost its power during the system suspend, we need
to do all initialiation operations.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
Change from v3 to v4
- add an empty line
Change from v1 to v3.
- fix build error
- remove ret variable at cdns_is_power_lost
drivers/usb/cdns3/cdns3-gadget.c | 2 ++
drivers/usb/cdns3/cdns3-plat.c | 23 ++++++++++++++++++++++-
drivers/usb/cdns3/core.c | 29 ++++++++++++++++++++++++++++-
drivers/usb/cdns3/drd.c | 16 ++++++++++++++++
drivers/usb/cdns3/drd.h | 2 +-
5 files changed, 69 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/cdns3/cdns3-gadget.c b/drivers/usb/cdns3/cdns3-gadget.c
index 582bfeceedb4..44b7301b1888 100644
--- a/drivers/usb/cdns3/cdns3-gadget.c
+++ b/drivers/usb/cdns3/cdns3-gadget.c
@@ -3304,6 +3304,8 @@ static int cdns3_gadget_resume(struct cdns *cdns, bool hibernated)
return 0;
cdns3_gadget_config(priv_dev);
+ if (hibernated)
+ writel(USB_CONF_DEVEN, &priv_dev->regs->usb_conf);
return 0;
}
diff --git a/drivers/usb/cdns3/cdns3-plat.c b/drivers/usb/cdns3/cdns3-plat.c
index 4b18e1c6a4bb..e1deeada425c 100644
--- a/drivers/usb/cdns3/cdns3-plat.c
+++ b/drivers/usb/cdns3/cdns3-plat.c
@@ -19,6 +19,7 @@
#include "core.h"
#include "gadget-export.h"
+#include "drd.h"
static int set_phy_power_on(struct cdns *cdns)
{
@@ -236,6 +237,18 @@ static int cdns3_controller_resume(struct device *dev, pm_message_t msg)
if (!cdns->in_lpm)
return 0;
+ if (cdns_power_is_lost(cdns)) {
+ phy_exit(cdns->usb2_phy);
+ ret = phy_init(cdns->usb2_phy);
+ if (ret)
+ return ret;
+
+ phy_exit(cdns->usb3_phy);
+ ret = phy_init(cdns->usb3_phy);
+ if (ret)
+ return ret;
+ }
+
ret = set_phy_power_on(cdns);
if (ret)
return ret;
@@ -270,10 +283,18 @@ static int cdns3_plat_runtime_resume(struct device *dev)
static int cdns3_plat_suspend(struct device *dev)
{
struct cdns *cdns = dev_get_drvdata(dev);
+ int ret;
cdns_suspend(cdns);
- return cdns3_controller_suspend(dev, PMSG_SUSPEND);
+ ret = cdns3_controller_suspend(dev, PMSG_SUSPEND);
+ if (ret)
+ return ret;
+
+ if (device_may_wakeup(dev) && cdns->wakeup_irq)
+ enable_irq_wake(cdns->wakeup_irq);
+
+ return ret;
}
static int cdns3_plat_resume(struct device *dev)
diff --git a/drivers/usb/cdns3/core.c b/drivers/usb/cdns3/core.c
index 199713769289..5d486c8a9d99 100644
--- a/drivers/usb/cdns3/core.c
+++ b/drivers/usb/cdns3/core.c
@@ -525,9 +525,36 @@ EXPORT_SYMBOL_GPL(cdns_suspend);
int cdns_resume(struct cdns *cdns, u8 set_active)
{
struct device *dev = cdns->dev;
+ enum usb_role real_role;
+ bool role_changed = false;
+ int ret;
+
+ if (cdns_power_is_lost(cdns)) {
+ if (cdns->role_sw) {
+ cdns->role = cdns_role_get(cdns->role_sw);
+ } else {
+ real_role = cdns_hw_role_state_machine(cdns);
+ if (real_role != cdns->role) {
+ ret = cdns_hw_role_switch(cdns);
+ if (ret)
+ return ret;
+ role_changed = true;
+ }
+ }
+
+ if (!role_changed) {
+ if (cdns->role == USB_ROLE_HOST)
+ ret = cdns_drd_host_on(cdns);
+ else if (cdns->role == USB_ROLE_DEVICE)
+ ret = cdns_drd_gadget_on(cdns);
+
+ if (ret)
+ return ret;
+ }
+ }
if (cdns->roles[cdns->role]->resume)
- cdns->roles[cdns->role]->resume(cdns, false);
+ cdns->roles[cdns->role]->resume(cdns, cdns_power_is_lost(cdns));
if (set_active) {
pm_runtime_disable(dev);
diff --git a/drivers/usb/cdns3/drd.c b/drivers/usb/cdns3/drd.c
index 605a413db727..1213c540deb3 100644
--- a/drivers/usb/cdns3/drd.c
+++ b/drivers/usb/cdns3/drd.c
@@ -478,3 +478,19 @@ int cdns_drd_exit(struct cdns *cdns)
return 0;
}
+
+
+/* Indicate the cdns3 core was power lost before */
+bool cdns_power_is_lost(struct cdns *cdns)
+{
+ if (cdns->version == CDNS3_CONTROLLER_V1) {
+ if (!(readl(&cdns->otg_v1_regs->simulate) & BIT(0)))
+ return true;
+ } else {
+ if (!(readl(&cdns->otg_v0_regs->simulate) & BIT(0)))
+ return true;
+ }
+ return false;
+}
+
+EXPORT_SYMBOL_GPL(cdns_power_is_lost);
diff --git a/drivers/usb/cdns3/drd.h b/drivers/usb/cdns3/drd.h
index 9724acdecbbb..cbdf94f73ed9 100644
--- a/drivers/usb/cdns3/drd.h
+++ b/drivers/usb/cdns3/drd.h
@@ -215,5 +215,5 @@ int cdns_drd_gadget_on(struct cdns *cdns);
void cdns_drd_gadget_off(struct cdns *cdns);
int cdns_drd_host_on(struct cdns *cdns);
void cdns_drd_host_off(struct cdns *cdns);
-
+bool cdns_power_is_lost(struct cdns *cdns);
#endif /* __LINUX_CDNS3_DRD */
--
2.25.1
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH v1 2/2] usb: cdns3: imx: add power lost support for system resume
2021-02-18 22:51 ` Frank Li
@ 2021-02-18 22:51 ` Frank Li
-1 siblings, 0 replies; 6+ messages in thread
From: Frank Li @ 2021-02-18 22:51 UTC (permalink / raw)
To: peter.chen, pawell, a-govindraju, linux-imx, linux-usb, linux-arm-kernel
From: Frank Li <Frank.li@nxp.com>
imx need special handle when controller lost power
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
split imx part
drivers/usb/cdns3/cdns3-imx.c | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/drivers/usb/cdns3/cdns3-imx.c b/drivers/usb/cdns3/cdns3-imx.c
index 8f88eec0b0ea..708b51cc5844 100644
--- a/drivers/usb/cdns3/cdns3-imx.c
+++ b/drivers/usb/cdns3/cdns3-imx.c
@@ -361,6 +361,39 @@ static int cdns_imx_suspend(struct device *dev)
return 0;
}
+
+
+/* Indicate if the controller was power lost before */
+static inline bool cdns_imx_is_power_lost(struct cdns_imx *data)
+{
+ u32 value;
+
+ value = cdns_imx_readl(data, USB3_CORE_CTRL1);
+ if ((value & SW_RESET_MASK) == ALL_SW_RESET)
+ return true;
+ else
+ return false;
+}
+
+static int cdns_imx_system_resume(struct device *dev)
+{
+ struct cdns_imx *data = dev_get_drvdata(dev);
+ int ret;
+
+ ret = cdns_imx_resume(dev);
+ if (ret)
+ return ret;
+
+ if (cdns_imx_is_power_lost(data)) {
+ dev_dbg(dev, "resume from power lost\n");
+ ret = cdns_imx_noncore_init(data);
+ if (ret)
+ cdns_imx_suspend(dev);
+ }
+
+ return ret;
+}
+
#else
static int cdns_imx_platform_suspend(struct device *dev,
bool suspend, bool wakeup)
@@ -372,6 +405,7 @@ static int cdns_imx_platform_suspend(struct device *dev,
static const struct dev_pm_ops cdns_imx_pm_ops = {
SET_RUNTIME_PM_OPS(cdns_imx_suspend, cdns_imx_resume, NULL)
+ SET_SYSTEM_SLEEP_PM_OPS(cdns_imx_suspend, cdns_imx_system_resume)
};
static const struct of_device_id cdns_imx_of_match[] = {
--
2.25.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH v1 2/2] usb: cdns3: imx: add power lost support for system resume
@ 2021-02-18 22:51 ` Frank Li
0 siblings, 0 replies; 6+ messages in thread
From: Frank Li @ 2021-02-18 22:51 UTC (permalink / raw)
To: peter.chen, pawell, a-govindraju, linux-imx, linux-usb, linux-arm-kernel
From: Frank Li <Frank.li@nxp.com>
imx need special handle when controller lost power
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
split imx part
drivers/usb/cdns3/cdns3-imx.c | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/drivers/usb/cdns3/cdns3-imx.c b/drivers/usb/cdns3/cdns3-imx.c
index 8f88eec0b0ea..708b51cc5844 100644
--- a/drivers/usb/cdns3/cdns3-imx.c
+++ b/drivers/usb/cdns3/cdns3-imx.c
@@ -361,6 +361,39 @@ static int cdns_imx_suspend(struct device *dev)
return 0;
}
+
+
+/* Indicate if the controller was power lost before */
+static inline bool cdns_imx_is_power_lost(struct cdns_imx *data)
+{
+ u32 value;
+
+ value = cdns_imx_readl(data, USB3_CORE_CTRL1);
+ if ((value & SW_RESET_MASK) == ALL_SW_RESET)
+ return true;
+ else
+ return false;
+}
+
+static int cdns_imx_system_resume(struct device *dev)
+{
+ struct cdns_imx *data = dev_get_drvdata(dev);
+ int ret;
+
+ ret = cdns_imx_resume(dev);
+ if (ret)
+ return ret;
+
+ if (cdns_imx_is_power_lost(data)) {
+ dev_dbg(dev, "resume from power lost\n");
+ ret = cdns_imx_noncore_init(data);
+ if (ret)
+ cdns_imx_suspend(dev);
+ }
+
+ return ret;
+}
+
#else
static int cdns_imx_platform_suspend(struct device *dev,
bool suspend, bool wakeup)
@@ -372,6 +405,7 @@ static int cdns_imx_platform_suspend(struct device *dev,
static const struct dev_pm_ops cdns_imx_pm_ops = {
SET_RUNTIME_PM_OPS(cdns_imx_suspend, cdns_imx_resume, NULL)
+ SET_SYSTEM_SLEEP_PM_OPS(cdns_imx_suspend, cdns_imx_system_resume)
};
static const struct of_device_id cdns_imx_of_match[] = {
--
2.25.1
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH v1 2/2] usb: cdns3: imx: add power lost support for system resume
2021-02-18 22:51 ` Frank Li
@ 2021-03-06 3:13 ` Peter Chen
-1 siblings, 0 replies; 6+ messages in thread
From: Peter Chen @ 2021-03-06 3:13 UTC (permalink / raw)
To: Frank Li; +Cc: pawell, a-govindraju, linux-imx, linux-usb, linux-arm-kernel
On 21-02-18 16:51:09, Frank Li wrote:
> From: Frank Li <Frank.li@nxp.com>
>
> imx need special handle when controller lost power
>
> Signed-off-by: Peter Chen <peter.chen@nxp.com>
> Signed-off-by: Frank Li <Frank.Li@nxp.com>
Applied both, thanks.
Peter
> ---
> split imx part
>
> drivers/usb/cdns3/cdns3-imx.c | 34 ++++++++++++++++++++++++++++++++++
> 1 file changed, 34 insertions(+)
>
> diff --git a/drivers/usb/cdns3/cdns3-imx.c b/drivers/usb/cdns3/cdns3-imx.c
> index 8f88eec0b0ea..708b51cc5844 100644
> --- a/drivers/usb/cdns3/cdns3-imx.c
> +++ b/drivers/usb/cdns3/cdns3-imx.c
> @@ -361,6 +361,39 @@ static int cdns_imx_suspend(struct device *dev)
>
> return 0;
> }
> +
> +
> +/* Indicate if the controller was power lost before */
> +static inline bool cdns_imx_is_power_lost(struct cdns_imx *data)
> +{
> + u32 value;
> +
> + value = cdns_imx_readl(data, USB3_CORE_CTRL1);
> + if ((value & SW_RESET_MASK) == ALL_SW_RESET)
> + return true;
> + else
> + return false;
> +}
> +
> +static int cdns_imx_system_resume(struct device *dev)
> +{
> + struct cdns_imx *data = dev_get_drvdata(dev);
> + int ret;
> +
> + ret = cdns_imx_resume(dev);
> + if (ret)
> + return ret;
> +
> + if (cdns_imx_is_power_lost(data)) {
> + dev_dbg(dev, "resume from power lost\n");
> + ret = cdns_imx_noncore_init(data);
> + if (ret)
> + cdns_imx_suspend(dev);
> + }
> +
> + return ret;
> +}
> +
> #else
> static int cdns_imx_platform_suspend(struct device *dev,
> bool suspend, bool wakeup)
> @@ -372,6 +405,7 @@ static int cdns_imx_platform_suspend(struct device *dev,
>
> static const struct dev_pm_ops cdns_imx_pm_ops = {
> SET_RUNTIME_PM_OPS(cdns_imx_suspend, cdns_imx_resume, NULL)
> + SET_SYSTEM_SLEEP_PM_OPS(cdns_imx_suspend, cdns_imx_system_resume)
> };
>
> static const struct of_device_id cdns_imx_of_match[] = {
> --
> 2.25.1
>
--
Thanks,
Peter Chen
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH v1 2/2] usb: cdns3: imx: add power lost support for system resume
@ 2021-03-06 3:13 ` Peter Chen
0 siblings, 0 replies; 6+ messages in thread
From: Peter Chen @ 2021-03-06 3:13 UTC (permalink / raw)
To: Frank Li; +Cc: pawell, a-govindraju, linux-imx, linux-usb, linux-arm-kernel
On 21-02-18 16:51:09, Frank Li wrote:
> From: Frank Li <Frank.li@nxp.com>
>
> imx need special handle when controller lost power
>
> Signed-off-by: Peter Chen <peter.chen@nxp.com>
> Signed-off-by: Frank Li <Frank.Li@nxp.com>
Applied both, thanks.
Peter
> ---
> split imx part
>
> drivers/usb/cdns3/cdns3-imx.c | 34 ++++++++++++++++++++++++++++++++++
> 1 file changed, 34 insertions(+)
>
> diff --git a/drivers/usb/cdns3/cdns3-imx.c b/drivers/usb/cdns3/cdns3-imx.c
> index 8f88eec0b0ea..708b51cc5844 100644
> --- a/drivers/usb/cdns3/cdns3-imx.c
> +++ b/drivers/usb/cdns3/cdns3-imx.c
> @@ -361,6 +361,39 @@ static int cdns_imx_suspend(struct device *dev)
>
> return 0;
> }
> +
> +
> +/* Indicate if the controller was power lost before */
> +static inline bool cdns_imx_is_power_lost(struct cdns_imx *data)
> +{
> + u32 value;
> +
> + value = cdns_imx_readl(data, USB3_CORE_CTRL1);
> + if ((value & SW_RESET_MASK) == ALL_SW_RESET)
> + return true;
> + else
> + return false;
> +}
> +
> +static int cdns_imx_system_resume(struct device *dev)
> +{
> + struct cdns_imx *data = dev_get_drvdata(dev);
> + int ret;
> +
> + ret = cdns_imx_resume(dev);
> + if (ret)
> + return ret;
> +
> + if (cdns_imx_is_power_lost(data)) {
> + dev_dbg(dev, "resume from power lost\n");
> + ret = cdns_imx_noncore_init(data);
> + if (ret)
> + cdns_imx_suspend(dev);
> + }
> +
> + return ret;
> +}
> +
> #else
> static int cdns_imx_platform_suspend(struct device *dev,
> bool suspend, bool wakeup)
> @@ -372,6 +405,7 @@ static int cdns_imx_platform_suspend(struct device *dev,
>
> static const struct dev_pm_ops cdns_imx_pm_ops = {
> SET_RUNTIME_PM_OPS(cdns_imx_suspend, cdns_imx_resume, NULL)
> + SET_SYSTEM_SLEEP_PM_OPS(cdns_imx_suspend, cdns_imx_system_resume)
> };
>
> static const struct of_device_id cdns_imx_of_match[] = {
> --
> 2.25.1
>
--
Thanks,
Peter Chen
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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2021-03-06 3:16 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-02-18 22:51 [PATCH v4 1/2] usb: cdns3: add power lost support for system resume Frank Li
2021-02-18 22:51 ` Frank Li
2021-02-18 22:51 ` [PATCH v1 2/2] usb: cdns3: imx: " Frank Li
2021-02-18 22:51 ` Frank Li
2021-03-06 3:13 ` Peter Chen
2021-03-06 3:13 ` Peter Chen
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