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bus: mhi: pci_generic: Parametrable element count for events

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Not all hardwares need to use the same number of event ring elements.
This change makes this parametrable.

Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1614971808-22156-1-git-send-email-loic.poulain@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
This commit is contained in:
Loic Poulain 2021-03-05 20:16:43 +01:00 committed by Manivannan Sadhasivam
parent a38fd87484
commit 9ea48efdc5
1 changed files with 10 additions and 10 deletions
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20
drivers/bus/mhi/pci_generic.c
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@ -71,9 +71,9 @@ struct mhi_pci_dev_info {
.doorbell_mode_switch = false, \
}
#define MHI_EVENT_CONFIG_CTRL(ev_ring) \
#define MHI_EVENT_CONFIG_CTRL(ev_ring, el_count) \
{ \
.num_elements = 64, \
.num_elements = el_count, \
.irq_moderation_ms = 0, \
.irq = (ev_ring) + 1, \
.priority = 1, \
@ -114,9 +114,9 @@ struct mhi_pci_dev_info {
.doorbell_mode_switch = true, \
}
#define MHI_EVENT_CONFIG_DATA(ev_ring) \
#define MHI_EVENT_CONFIG_DATA(ev_ring, el_count) \
{ \
.num_elements = 128, \
.num_elements = el_count, \
.irq_moderation_ms = 5, \
.irq = (ev_ring) + 1, \
.priority = 1, \
@ -127,9 +127,9 @@ struct mhi_pci_dev_info {
.offload_channel = false, \
}
#define MHI_EVENT_CONFIG_HW_DATA(ev_ring, ch_num) \
#define MHI_EVENT_CONFIG_HW_DATA(ev_ring, el_count, ch_num) \
{ \
.num_elements = 2048, \
.num_elements = el_count, \
.irq_moderation_ms = 1, \
.irq = (ev_ring) + 1, \
.priority = 1, \
@ -156,12 +156,12 @@ static const struct mhi_channel_config modem_qcom_v1_mhi_channels[] = {
static struct mhi_event_config modem_qcom_v1_mhi_events[] = {
/* first ring is control+data ring */
MHI_EVENT_CONFIG_CTRL(0),
MHI_EVENT_CONFIG_CTRL(0, 64),
/* DIAG dedicated event ring */
MHI_EVENT_CONFIG_DATA(1),
MHI_EVENT_CONFIG_DATA(1, 128),
/* Hardware channels request dedicated hardware event rings */
MHI_EVENT_CONFIG_HW_DATA(2, 100),
MHI_EVENT_CONFIG_HW_DATA(3, 101)
MHI_EVENT_CONFIG_HW_DATA(2, 1024, 100),
MHI_EVENT_CONFIG_HW_DATA(3, 2048, 101)
};
static struct mhi_controller_config modem_qcom_v1_mhiv_config = {