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PCI: Make PCI_ROM_ADDRESS_MASK a 32-bit constant

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commit 76dc52684d upstream.

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'".

Also remove now unnecessary casts to u32 from __pci_read_base() and
pci_std_update_resource().

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Matthias Kaehlcke
2017-04-14 13:38:02 -07:00
committed by Greg Kroah-Hartman
parent fd2f070985
commit 4d9a121dc9
3 changed files with 3 additions and 3 deletions
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2
include/uapi/linux/pci_regs.h
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@@ -106,7 +106,7 @@
#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)
#define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list entry */