Messages in this thread | | | Date | Fri, 14 Apr 2017 12:36:05 -0700 | From | Matthias Kaehlcke <> | Subject | Re: [PATCH v2] PCI: Make PCI_ROM_ADDRESS_MASK a 32-bit constant |
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El Fri, Apr 14, 2017 at 10:43:40AM -0500 Bjorn Helgaas ha dit:
> On Tue, Apr 11, 2017 at 10:56:58AM -0700, Matthias Kaehlcke wrote: > > A 64-bit value is not needed since a PCI ROM address consists in 32 bits. > > This fixes a clang warning about "implicit conversion from 'unsigned > > long' to 'u32'". > > > > Signed-off-by: Matthias Kaehlcke <mka@chromium.org> > > --- > > Changes in v2: > > - Define PCI_ROM_ADDRESS_MASK as a 32-bit constant instead of using a cast > > - Updated commit message > > > > include/uapi/linux/pci_regs.h | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h > > index 634c9c44ed6c..fff521c9458c 100644 > > --- a/include/uapi/linux/pci_regs.h > > +++ b/include/uapi/linux/pci_regs.h > > @@ -114,7 +114,7 @@ > > #define PCI_SUBSYSTEM_ID 0x2e > > #define PCI_ROM_ADDRESS 0x30 /* Bits 31..11 are address, 10..1 reserved */ > > #define PCI_ROM_ADDRESS_ENABLE 0x01 > > -#define PCI_ROM_ADDRESS_MASK (~0x7ffUL) > > +#define PCI_ROM_ADDRESS_MASK (~0x7ffU) > > Does this mean we can remove the "(u32)" casts in __pci_read_base() and > pci_std_update_resource()?
Indeed
> If so, can you do that in the same patch?
Will do
Matthias
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