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[1/2] bus: mhi: pci_generic: Add mru_default for Foxconn SDX55

Message ID 20220205135731.157871-2-manivannan.sadhasivam@linaro.org
State New
Headers show
Series [1/2] bus: mhi: pci_generic: Add mru_default for Foxconn SDX55 | expand

Commit Message

Manivannan Sadhasivam Feb. 5, 2022, 1:57 p.m. UTC 
From: Slark Xiao <slark_xiao@163.com>

For default mechanism, product would use default MRU 3500 if
they didn't define it. But for Foxconn SDX55, there is a known
issue which MRU 3500 would lead to data connection lost.
So we align it with Qualcomm default MRU settings.

Cc: stable@vger.kernel.org # v5.12+
Fixes: aac426562f56 ("bus: mhi: pci_generic: Introduce Foxconn T99W175 support")
Signed-off-by: Slark Xiao <slark_xiao@163.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://lore.kernel.org/r/20220119101213.5008-1-slark_xiao@163.com
[mani: Added pci_generic prefix to subject and CCed stable]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
 drivers/bus/mhi/pci_generic.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c
index 3a258a677df8..74e8fc342cfd 100644
--- a/drivers/bus/mhi/pci_generic.c
+++ b/drivers/bus/mhi/pci_generic.c
@@ -366,6 +366,7 @@  static const struct mhi_pci_dev_info mhi_foxconn_sdx55_info = {
 	.config = &modem_foxconn_sdx55_config,
 	.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
 	.dma_data_width = 32,
+	.mru_default = 32768,
 	.sideband_wake = false,
 };