Hi Siddharth, Thank you for the patch.
On Thu, Mar 05, 2026 at 16:08, Siddharth Vadapalli <[email protected]> wrote: > The subclass_code member of the pci_ep_header structure is a 1-byte > field. The macro PCI_CLASS_MEMORY_RAM is a concetation of baseclass_code > and subclass_code as follows: > PCI_BASE_CLASS_MEMORY: 0x05 > Subclass Code for RAM: 0x00 > PCI_CLASS_MEMORY_RAM: 0x0500 > Hence, instead of extracting it via an implicity type conversion from int > to u8 which throws a warning, explicitly mask the bits to extract the What's the exact warning string? With which compiler version? Is there an example defconfig that I can use to reproduce this? Thanks Mattijs > subclass_code. > > Fixes: cde77583cf0b ("spl: Add support for Device Firmware Upgrade (DFU) over > PCIe") > Signed-off-by: Siddharth Vadapalli <[email protected]> > --- > > Hello, > > This patch is based on commit > f473a453b0c kbuild: Drop phandle from diff between base DT and U-Boot > augmented DT if DEVICE_TREE_DEBUG=1of the master branch of U-Boot. > > Regards, > Siddharth. > > common/spl/spl_dfu.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/common/spl/spl_dfu.c b/common/spl/spl_dfu.c > index b09f82790c9..7d21bb4d16a 100644 > --- a/common/spl/spl_dfu.c > +++ b/common/spl/spl_dfu.c > @@ -64,7 +64,7 @@ static int dfu_over_pcie(void) > hdr.deviceid = CONFIG_SPL_PCI_DFU_DEVICE_ID; > hdr.vendorid = CONFIG_SPL_PCI_DFU_VENDOR_ID; > hdr.baseclass_code = PCI_BASE_CLASS_MEMORY; > - hdr.subclass_code = PCI_CLASS_MEMORY_RAM; > + hdr.subclass_code = PCI_CLASS_MEMORY_RAM & 0xff; > > ret = pci_ep_write_header(dev, fn, &hdr); > if (ret) { > -- > 2.51.1

