[RESEND PATCH 12/14] bus: mhi: core: Do not process SYS_ERROR if RDDM is supported

2020-05-21 Thread Manivannan Sadhasivam 
From: Hemant Kumar 

Devices that support RDDM do not require processing SYS_ERROR as it is
deemed redundant. Avoid SYS_ERROR processing if RDDM is supported by
the device.

Signed-off-by: Hemant Kumar 
Reviewed-by: Jeffrey Hugo 
Reviewed-by: Manivannan Sadhasivam 
Signed-off-by: Manivannan Sadhasivam 
---
 drivers/bus/mhi/core/main.c | 11 ---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c
index 7429189840b0..eef145180a55 100644
--- a/drivers/bus/mhi/core/main.c
+++ b/drivers/bus/mhi/core/main.c
@@ -396,9 +396,9 @@ irqreturn_t mhi_intvec_threaded_handler(int irq_number, 
void *priv)
}
write_unlock_irq(&mhi_cntrl->pm_lock);
 
-   /* If device in RDDM don't bother processing SYS error */
-   if (mhi_cntrl->ee == MHI_EE_RDDM) {
-   if (mhi_cntrl->ee != ee) {
+/* If device supports RDDM don't bother processing SYS error */
+   if (mhi_cntrl->rddm_image) {
+   if (mhi_cntrl->ee == MHI_EE_RDDM && mhi_cntrl->ee != ee) {
mhi_cntrl->status_cb(mhi_cntrl, MHI_CB_EE_RDDM);
wake_up_all(&mhi_cntrl->state_event);
}
@@ -734,6 +734,11 @@ int mhi_process_ctrl_ev_ring(struct mhi_controller 
*mhi_cntrl,
{
enum mhi_pm_state new_state;
 
+   /* skip SYS_ERROR handling if RDDM supported */
+   if (mhi_cntrl->ee == MHI_EE_RDDM ||
+   mhi_cntrl->rddm_image)
+   break;
+
dev_dbg(dev, "System error detected\n");
write_lock_irq(&mhi_cntrl->pm_lock);
new_state = mhi_tryset_pm_state(mhi_cntrl,
-- 
2.17.1

[PATCH 12/14] bus: mhi: core: Do not process SYS_ERROR if RDDM is supported

2020-05-21 Thread mani 
From: Hemant Kumar 

Devices that support RDDM do not require processing SYS_ERROR as it is
deemed redundant. Avoid SYS_ERROR processing if RDDM is supported by
the device.

Signed-off-by: Hemant Kumar 
Reviewed-by: Jeffrey Hugo 
Reviewed-by: Manivannan Sadhasivam 
Signed-off-by: Manivannan Sadhasivam 
---
 drivers/bus/mhi/core/main.c | 11 ---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c
index 7429189840b0..eef145180a55 100644
--- a/drivers/bus/mhi/core/main.c
+++ b/drivers/bus/mhi/core/main.c
@@ -396,9 +396,9 @@ irqreturn_t mhi_intvec_threaded_handler(int irq_number, 
void *priv)
}
write_unlock_irq(&mhi_cntrl->pm_lock);
 
-   /* If device in RDDM don't bother processing SYS error */
-   if (mhi_cntrl->ee == MHI_EE_RDDM) {
-   if (mhi_cntrl->ee != ee) {
+/* If device supports RDDM don't bother processing SYS error */
+   if (mhi_cntrl->rddm_image) {
+   if (mhi_cntrl->ee == MHI_EE_RDDM && mhi_cntrl->ee != ee) {
mhi_cntrl->status_cb(mhi_cntrl, MHI_CB_EE_RDDM);
wake_up_all(&mhi_cntrl->state_event);
}
@@ -734,6 +734,11 @@ int mhi_process_ctrl_ev_ring(struct mhi_controller 
*mhi_cntrl,
{
enum mhi_pm_state new_state;
 
+   /* skip SYS_ERROR handling if RDDM supported */
+   if (mhi_cntrl->ee == MHI_EE_RDDM ||
+   mhi_cntrl->rddm_image)
+   break;
+
dev_dbg(dev, "System error detected\n");
write_lock_irq(&mhi_cntrl->pm_lock);
new_state = mhi_tryset_pm_state(mhi_cntrl,
-- 
2.26.GIT