linux-kernel - [PATCH v2] bus: mhi: pci_generic: T99W175: update channel name from AT to DUN

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Date:   Wed, 28 Apr 2021 18:42:26 -0700
From:   Jarvis Jiang <jarvis.w.jiang@...il.com>
To:     mani@...nel.org, hemantk@...eaurora.org, loic.poulain@...aro.org
Cc:     linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        cchen50@...ovo.com, mpearson@...ovo.com,
        Jarvis Jiang <jarvis.w.jiang@...il.com>
Subject: [PATCH v2] bus: mhi: pci_generic: T99W175: update channel name from AT to DUN

According to MHI v1.1 specification, change the channel name of T99W175
from "AT" to "DUN" (Dial-up networking) for both channel 32 and 33,
so that the channels can be bound to the Qcom WWAN control driver, and
device node such as /dev/wwan0p3AT will be generated, which is very useful
for debugging modem

Fixes: aac426562f56 ("bus: mhi: pci_generic: Introduce Foxconn T99W175 support")
Signed-off-by: Jarvis Jiang <jarvis.w.jiang@...il.com>
---

v2: Add: Fixes: aac426562f56

 drivers/bus/mhi/pci_generic.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c
index 7c810f02a2ef..8c7f6576e421 100644
--- a/drivers/bus/mhi/pci_generic.c
+++ b/drivers/bus/mhi/pci_generic.c
@@ -311,8 +311,8 @@ static const struct mhi_channel_config mhi_foxconn_sdx55_channels[] = {
 	MHI_CHANNEL_CONFIG_DL(5, "DIAG", 32, 1),
 	MHI_CHANNEL_CONFIG_UL(12, "MBIM", 32, 0),
 	MHI_CHANNEL_CONFIG_DL(13, "MBIM", 32, 0),
-	MHI_CHANNEL_CONFIG_UL(32, "AT", 32, 0),
-	MHI_CHANNEL_CONFIG_DL(33, "AT", 32, 0),
+	MHI_CHANNEL_CONFIG_UL(32, "DUN", 32, 0),
+	MHI_CHANNEL_CONFIG_DL(33, "DUN", 32, 0),
 	MHI_CHANNEL_CONFIG_HW_UL(100, "IP_HW0_MBIM", 128, 2),
 	MHI_CHANNEL_CONFIG_HW_DL(101, "IP_HW0_MBIM", 128, 3),
 };
-- 
2.25.1