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bus: mhi: pci_generic: Add mru_default for Cinterion MV31-W
author
Slark Xiao
<slark_xiao@163.com>
Sat, 5 Feb 2022 13:57:31 +0000
(19:27 +0530)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Wed, 16 Feb 2022 11:56:39 +0000
(12:56 +0100)
commit
05daa805a86c831ad9692f6f15e1b877c8f10638
upstream.
For default mechanism, product would use default MRU 3500 if
they didn't define it. But for Cinterion MV31-W, there is a known
issue which MRU 3500 would lead to data connection lost.
So we align it with Qualcomm default MRU settings.
Link:
https://lore.kernel.org/r/20220119102519.5342-1-slark_xiao@163.com
[mani: Modified the commit message to reflect Cinterion MV31-W and CCed stable]
Fixes:
87693e092bd0
("bus: mhi: pci_generic: Add Cinterion MV31-W PCIe to MHI")
Cc: stable@vger.kernel.org # v5.14 +
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Slark Xiao <slark_xiao@163.com>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link:
https://lore.kernel.org/r/20220205135731.157871-3-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/bus/mhi/pci_generic.c
patch
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diff --git
a/drivers/bus/mhi/pci_generic.c
b/drivers/bus/mhi/pci_generic.c
index
5c32fe3
..
d340d68
100644
(file)
--- a/
drivers/bus/mhi/pci_generic.c
+++ b/
drivers/bus/mhi/pci_generic.c
@@
-402,6
+402,7
@@
static const struct mhi_pci_dev_info mhi_mv31_info = {
.config = &modem_mv31_config,
.bar_num = MHI_PCI_DEFAULT_BAR_NUM,
.dma_data_width = 32,
+ .mru_default = 32768,
};
static const struct pci_device_id mhi_pci_id_table[] = {