On Wed, Sep 11, 2024 at 10:50:59AM +0800, Qianqiang Liu wrote: > The type of "num_inbound_wins" is "u8", so the less-than-zero > comparison of an unsigned value is never true. I think this was fixed slightly differently but with the same effect; please check this to make sure: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git/tree/drivers/pci/controller/pcie-brcmstb.c?h=controller/brcmstb#n1034 > --- > drivers/pci/controller/pcie-brcmstb.c | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-) > > diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c > index 55311dc47615..3e4572c3eeb1 100644 > --- a/drivers/pci/controller/pcie-brcmstb.c > +++ b/drivers/pci/controller/pcie-brcmstb.c > @@ -1090,9 +1090,11 @@ static int brcm_pcie_setup(struct brcm_pcie *pcie) > u32p_replace_bits(&tmp, 1, PCIE_MISC_MISC_CTRL_PCIE_RCB_64B_MODE_MASK); > writel(tmp, base + PCIE_MISC_MISC_CTRL); > > - num_inbound_wins = brcm_pcie_get_inbound_wins(pcie, inbound_wins); > - if (num_inbound_wins < 0) > - return num_inbound_wins; > + ret = brcm_pcie_get_inbound_wins(pcie, inbound_wins); > + if (ret < 0) > + return ret; > + > + num_inbound_wins = (u8)ret; > > set_inbound_win_registers(pcie, inbound_wins, num_inbound_wins); > > -- > 2.39.2 >
