From 731646e13ac66797fa8621cf29cdf30dc08ca9d5 Mon Sep 17 00:00:00 2001 From: Koen Vandeputte Date: Tue, 13 Sep 2022 13:44:17 +0200 Subject: [PATCH] kernel: mhi: backport upstream patch This patch will print the name of the modem in the bootlog during probing. This allows to verify that the exact model was loaded and not some generic type. The only other way to do this is by enabling dynamic debugging which is disabled by default in OpenWRT Signed-off-by: Koen Vandeputte --- ...ost-always-print-detected-modem-name.patch | 37 +++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 target/linux/generic/backport-5.15/781-v6.1-bus-mhi-host-always-print-detected-modem-name.patch diff --git a/target/linux/generic/backport-5.15/781-v6.1-bus-mhi-host-always-print-detected-modem-name.patch b/target/linux/generic/backport-5.15/781-v6.1-bus-mhi-host-always-print-detected-modem-name.patch new file mode 100644 index 0000000000..e974c21cb7 --- /dev/null +++ b/target/linux/generic/backport-5.15/781-v6.1-bus-mhi-host-always-print-detected-modem-name.patch @@ -0,0 +1,37 @@ +From f369e9ad52ec9361827e21a631b7198c9fca438e Mon Sep 17 00:00:00 2001 +From: Koen Vandeputte +Date: Wed, 31 Aug 2022 12:03:49 +0200 +Subject: [PATCH] bus: mhi: host: always print detected modem name + +This harmless print provides a very easy way of knowing +if the modem is detected properly during probing. + +Promote it to an informational print so no hassle is required +enabling kernel debugging info to obtain it. + +The rationale here is that: +On a lot of low-storage embedded devices, extensive kernel +debugging info is not always present as this would +increase it's size to much causing partition size issues. + +Signed-off-by: Koen Vandeputte +Reviewed-by: Manivannan Sadhasivam +Reviewed-by: Loic Poulain +Link: https://lore.kernel.org/r/20220831100349.1488762-1-koen.vandeputte@citymesh.com +[mani: added missing review tags] +Signed-off-by: Manivannan Sadhasivam +--- + drivers/bus/mhi/pci_generic.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/bus/mhi/pci_generic.c ++++ b/drivers/bus/mhi/pci_generic.c +@@ -806,7 +806,7 @@ static int mhi_pci_probe(struct pci_dev + struct mhi_controller *mhi_cntrl; + int err; + +- dev_dbg(&pdev->dev, "MHI PCI device found: %s\n", info->name); ++ dev_info(&pdev->dev, "MHI PCI device found: %s\n", info->name); + + /* mhi_pdev.mhi_cntrl must be zero-initialized */ + mhi_pdev = devm_kzalloc(&pdev->dev, sizeof(*mhi_pdev), GFP_KERNEL); -- 2.30.2