[PATCH v4 1/1] bus: mhi: pci_generic: fix Rolling Wireless RW151 MBIM channel ring size
From: <hidden>
Date: 2026-07-02 10:01:03
Also in:
linux-arm-msm
Subsystem:
mhi bus, the rest · Maintainers:
Manivannan Sadhasivam, Linus Torvalds
From: Wanquan Zhong <redacted> bus: mhi: pci_generic: fix Rolling Wireless RW151 MBIM channel ring size Increase RW151 MBIM channel ring size from 4 to 32 to match the device firmware channel configuration. Signed-off-by: Wanquan Zhong <redacted> --- v3 -> v4: Drop no_m3 quirk per review; keep RW151 MBIM ring size fix only drivers/bus/mhi/host/pci_generic.c | 2 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c
index d598bb3b3981..d686aef6e158 100644
--- a/drivers/bus/mhi/host/pci_generic.c
+++ b/drivers/bus/mhi/host/pci_generic.c@@ -949,8 +949,8 @@ static const struct mhi_pci_dev_info mhi_rolling_rw135r_info = { static const struct mhi_channel_config mhi_rolling_rw151_channels[] = { MHI_CHANNEL_CONFIG_UL(4, "DIAG", 16, 1), MHI_CHANNEL_CONFIG_DL(5, "DIAG", 16, 1), - MHI_CHANNEL_CONFIG_UL(12, "MBIM", 4, 0), - MHI_CHANNEL_CONFIG_DL(13, "MBIM", 4, 0), + MHI_CHANNEL_CONFIG_UL(12, "MBIM", 32, 0), + MHI_CHANNEL_CONFIG_DL(13, "MBIM", 32, 0), MHI_CHANNEL_CONFIG_UL(14, "NMEA", 32, 0), MHI_CHANNEL_CONFIG_DL(15, "NMEA", 32, 0), MHI_CHANNEL_CONFIG_UL(32, "DUN", 32, 0), --
2.50.0