Message ID | 1606140666-4986-2-git-send-email-loic.poulain@linaro.org |
---|---|
State | Superseded |
Headers | show
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mhi: pci_generic: Misc improvements
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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, \
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> --- drivers/bus/mhi/pci_generic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 2.7.4