[PATCH] Revert "bus: mhi: pci-generic: configurable network interface MRU"

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This reverts commit 5c2c85315948c42c6c0258cf9bad596acaa79043.

First this commit should go via the MHI tree as the "pci_generic" driver
belongs to MHI bus.

Then from the review point of view, the commit uses "mru_default"
variable to hold the MRU size for the MHI device. The term default
doesn't make much sense since there is no way to override this value
anywhere. So the author should just use "mru" in mhi_pci_dev_info
struct.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
---
 drivers/bus/mhi/pci_generic.c | 4 ----
 drivers/net/mhi_net.c         | 1 -
 include/linux/mhi.h           | 2 --
 3 files changed, 7 deletions(-)

diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c
index b33b9d75e8af..4dd1077354af 100644
--- a/drivers/bus/mhi/pci_generic.c
+++ b/drivers/bus/mhi/pci_generic.c
@@ -32,7 +32,6 @@
  * @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
  * @sideband_wake: Devices using dedicated sideband GPIO for wakeup instead
  *		   of inband wake support (such as sdx24)
  */
@@ -43,7 +42,6 @@ struct mhi_pci_dev_info {
 	const char *edl;
 	unsigned int bar_num;
 	unsigned int dma_data_width;
-	unsigned int mru_default;
 	bool sideband_wake;
 };
 
@@ -274,7 +272,6 @@ static const struct mhi_pci_dev_info mhi_qcom_sdx55_info = {
 	.config = &modem_qcom_v1_mhiv_config,
 	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
 	.dma_data_width = 32,
-	.mru_default = 32768,
 	.sideband_wake = false,
 };
 
@@ -667,7 +664,6 @@ static int mhi_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	mhi_cntrl->status_cb = mhi_pci_status_cb;
 	mhi_cntrl->runtime_get = mhi_pci_runtime_get;
 	mhi_cntrl->runtime_put = mhi_pci_runtime_put;
-	mhi_cntrl->mru = info->mru_default;
 
 	if (info->sideband_wake) {
 		mhi_cntrl->wake_get = mhi_pci_wake_get_nop;
diff --git a/drivers/net/mhi_net.c b/drivers/net/mhi_net.c
index 975f7f9bdf4c..a577bff82fe1 100644
--- a/drivers/net/mhi_net.c
+++ b/drivers/net/mhi_net.c
@@ -312,7 +312,6 @@ static int mhi_net_newlink(struct mhi_device *mhi_dev, struct net_device *ndev)
 	mhi_netdev->ndev = ndev;
 	mhi_netdev->mdev = mhi_dev;
 	mhi_netdev->skbagg_head = NULL;
-	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/include/linux/mhi.h b/include/linux/mhi.h
index c493a80cb453..5e08468854db 100644
--- a/include/linux/mhi.h
+++ b/include/linux/mhi.h
@@ -356,7 +356,6 @@ 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)
@@ -449,7 +448,6 @@ struct mhi_controller {
 	bool fbc_download;
 	bool wake_set;
 	unsigned long irq_flags;
-	u32 mru;
 };
 
 /**
-- 
2.25.1




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