diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c
index ca3bc40427f8..19413daa0917 100644
--- a/drivers/bus/mhi/pci_generic.c
+++ b/drivers/bus/mhi/pci_generic.c
@@ -32,6 +32,7 @@
  * @edl: emergency download mode firmware path (if any)
  * @bar_num: PCI base address register to use for MHI MMIO register space
  * @dma_data_width: DMA transfer word size (32 or 64 bits)
+ * @mru_default: default MRU size for MBIM network packets
  */
 struct mhi_pci_dev_info {
 	const struct mhi_controller_config *config;
@@ -40,6 +41,7 @@ struct mhi_pci_dev_info {
 	const char *edl;
 	unsigned int bar_num;
 	unsigned int dma_data_width;
+	unsigned int mru_default;
 };
 
 #define MHI_CHANNEL_CONFIG_UL(ch_num, ch_name, el_count, ev_ring) \
@@ -251,7 +253,8 @@ static const struct mhi_pci_dev_info mhi_qcom_sdx55_info = {
 	.edl = "qcom/sdx55m/edl.mbn",
 	.config = &modem_qcom_v1_mhiv_config,
 	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
-	.dma_data_width = 32
+	.dma_data_width = 32,
+	.mru_default = 32768
 };
 
 static const struct mhi_pci_dev_info mhi_qcom_sdx24_info = {
@@ -643,6 +646,7 @@ static int mhi_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	mhi_cntrl->wake_get = mhi_pci_wake_get_nop;
 	mhi_cntrl->wake_put = mhi_pci_wake_put_nop;
 	mhi_cntrl->wake_toggle = mhi_pci_wake_toggle_nop;
+	mhi_cntrl->mru = info->mru_default;
 
 	err = mhi_pci_claim(mhi_cntrl, info->bar_num, DMA_BIT_MASK(info->dma_data_width));
 	if (err)
diff --git a/drivers/net/mhi/net.c b/drivers/net/mhi/net.c
index e60e38c1f09d..a5a2aa19bb91 100644
--- a/drivers/net/mhi/net.c
+++ b/drivers/net/mhi/net.c
@@ -329,6 +329,7 @@ static int mhi_net_newlink(void *ctxt, struct net_device *ndev, u32 if_id,
 	mhi_netdev->mdev = mhi_dev;
 	mhi_netdev->skbagg_head = NULL;
 	mhi_netdev->proto = info->proto;
+	mhi_netdev->mru = mhi_dev->mhi_cntrl->mru;
 
 	INIT_DELAYED_WORK(&mhi_netdev->rx_refill, mhi_net_rx_refill_work);
 	u64_stats_init(&mhi_netdev->stats.rx_syncp);
diff --git a/drivers/net/mhi/proto_mbim.c b/drivers/net/mhi/proto_mbim.c
index bf1ad863237d..f1cc7f35bb85 100644
--- a/drivers/net/mhi/proto_mbim.c
+++ b/drivers/net/mhi/proto_mbim.c
@@ -292,7 +292,9 @@ static int mbim_init(struct mhi_net_dev *mhi_netdev)
 
 	ndev->needed_headroom = sizeof(struct mbim_tx_hdr);
 	ndev->mtu = MHI_MBIM_DEFAULT_MTU;
-	mhi_netdev->mru = MHI_MBIM_DEFAULT_MRU;
+
+	if (!mhi_netdev->mru)
+		mhi_netdev->mru = MHI_MBIM_DEFAULT_MRU;
 
 	return 0;
 }
diff --git a/include/linux/mhi.h b/include/linux/mhi.h
index 944aa3aa3035..beb918328eef 100644
--- a/include/linux/mhi.h
+++ b/include/linux/mhi.h
@@ -356,6 +356,7 @@ struct mhi_controller_config {
  * @fbc_download: MHI host needs to do complete image transfer (optional)
  * @wake_set: Device wakeup set flag
  * @irq_flags: irq flags passed to request_irq (optional)
+ * @mru: the default MRU for the MHI device
  *
  * Fields marked as (required) need to be populated by the controller driver
  * before calling mhi_register_controller(). For the fields marked as (optional)
@@ -448,6 +449,7 @@ struct mhi_controller {
 	bool fbc_download;
 	bool wake_set;
 	unsigned long irq_flags;
+	u32 mru;
 };
 
 /**