diff mbox series

[v1] bus: mhi: host: pci_generic: Add support for EM929x and set MRU to 32768 for better performance.

Message ID 20250528175943.12739-1-zxue@semtech.com
State New
Headers show
Series [v1] bus: mhi: host: pci_generic: Add support for EM929x and set MRU to 32768 for better performance. | expand

Commit Message

Adam Xue May 28, 2025, 5:59 p.m. UTC 
Add MHI controller config for EM929x. It uses the same configuration
as EM919x. Also set the MRU to 32768 to improve downlink throughput.

02:00.0 Unassigned class [ff00]: Qualcomm Technologies, Inc Device 0308
	Subsystem: Device 18d7:0301

Signed-off-by: Adam Xue <zxue@semtech.com>
---
 drivers/bus/mhi/host/pci_generic.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
index 03aa88795209..9bf8e7991745 100644
--- a/drivers/bus/mhi/host/pci_generic.c
+++ b/drivers/bus/mhi/host/pci_generic.c
@@ -695,6 +695,7 @@  static const struct mhi_pci_dev_info mhi_sierra_em919x_info = {
 	.config = &modem_sierra_em919x_config,
 	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
 	.dma_data_width = 32,
+	.mru_default = 32768,
 	.sideband_wake = false,
 };
 
@@ -813,6 +814,9 @@  static const struct pci_device_id mhi_pci_id_table[] = {
 	/* EM919x (sdx55), use the same vid:pid as qcom-sdx55m */
 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0306, 0x18d7, 0x0200),
 		.driver_data = (kernel_ulong_t) &mhi_sierra_em919x_info },
+	/* EM929x (sdx65), use the same configuration as EM919x */
+	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0308, 0x18d7, 0x0301),
+		.driver_data = (kernel_ulong_t) &mhi_sierra_em919x_info },
 	/* Telit FN980 hardware revision v1 */
 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_QCOM, 0x0306, 0x1C5D, 0x2000),
 		.driver_data = (kernel_ulong_t) &mhi_telit_fn980_hw_v1_info },