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Groups > linux.kernel > #1623733
| From | Bjorn Helgaas <helgaas@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2] PCI: Make PCI_ROM_ADDRESS_MASK a 32-bit constant |
| Date | 2017-04-14 17:50 +0200 |
| Message-ID | <twbDX-2Q9-13@gated-at.bofh.it> (permalink) |
| References | <tv8f8-1JB-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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()? If so, can you do that in the same patch? > #define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list entry */ > > -- > 2.12.2.715.g7642488e1d-goog >
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[PATCH v2] PCI: Make PCI_ROM_ADDRESS_MASK a 32-bit constant Matthias Kaehlcke <mka@chromium.org> - 2017-04-11 20:00 +0200
Re: [PATCH v2] PCI: Make PCI_ROM_ADDRESS_MASK a 32-bit constant Bjorn Helgaas <helgaas@kernel.org> - 2017-04-14 17:50 +0200
Re: [PATCH v2] PCI: Make PCI_ROM_ADDRESS_MASK a 32-bit constant Matthias Kaehlcke <mka@chromium.org> - 2017-04-14 21:40 +0200
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