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authorSlark Xiao <slark_xiao@163.com>2022-02-05 14:57:31 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-02-06 13:19:46 +0100
commit05daa805a86c831ad9692f6f15e1b877c8f10638 (patch)
tree120e9ff1645e613491301a02ef564e31d028ab80 /drivers/bus
parentbus: mhi: pci_generic: Add mru_default for Foxconn SDX55 (diff)
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bus: mhi: pci_generic: Add mru_default for Cinterion MV31-W
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>
Diffstat (limited to 'drivers/bus')
-rw-r--r--drivers/bus/mhi/pci_generic.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c
index 74e8fc342cfd..b79895810c52 100644
--- 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 mhi_channel_config mhi_sierra_em919x_channels[] = {