diff mbox series

[v7,02/10] mhi: pci-generic: Increase number of hardware events

Message ID 1609768179-10132-3-git-send-email-loic.poulain@linaro.org
State Superseded
Headers show
Series mhi: pci_generic: Misc improvements | expand

Commit Message

Loic Poulain Jan. 4, 2021, 1:49 p.m. UTC 
If the IPA (IP hardware accelerator) is starved of event ring elements,
the modem is crashing (SDX55). That can be prevented by setting a
larger number of events (i.e 2 x number of channel ring elements).

Tested with FN980m module.

Signed-off-by: Loic Poulain <loic.poulain@linaro.org>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

---
 drivers/bus/mhi/pci_generic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
2.7.4
diff mbox series

Patch

diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c
index e3df838..13a7e4f 100644
--- a/drivers/bus/mhi/pci_generic.c
+++ b/drivers/bus/mhi/pci_generic.c
@@ -91,7 +91,7 @@  struct mhi_pci_dev_info {
 
 #define MHI_EVENT_CONFIG_HW_DATA(ev_ring, ch_num) \
 	{					\
-		.num_elements = 128,		\
+		.num_elements = 256,		\
 		.irq_moderation_ms = 5,		\
 		.irq = (ev_ring) + 1,		\
 		.priority = 1,			\