diff options
| author | Ryan Salsamendi <rsalsamendi@hotmail.com> | 2017-07-04 13:14:16 -0700 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2017-07-10 18:15:11 +0000 |
| commit | 3f2fe18965fc5404e4d095a25dcb1be48e4040a5 (patch) | |
| tree | f17cc962dad56d84ff9eb481564406e8fcced61d /src/southbridge/intel/lynxpoint/pch.h | |
| parent | 2fdf895867bc258690943475f0d2e8fc7daa6ee5 (diff) | |
southbridge/intel/lynxpoint: Fix undefined behavior
Fix undefined behavior found by clang's -Wshift-sign-overflow, grep,
and source inspection. Left shifting an int where the right operand is
>= the width of the type is undefined. Add UL suffix since it's safe
for unsigned types.
Change-Id: I10db2566199200ceb3068721cfb35eadb2be1f68
Signed-off-by: Ryan Salsamendi <rsalsamendi@hotmail.com>
Reviewed-on: https://review.coreboot.org/20464
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Diffstat (limited to 'src/southbridge/intel/lynxpoint/pch.h')
| -rw-r--r-- | src/southbridge/intel/lynxpoint/pch.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/southbridge/intel/lynxpoint/pch.h b/src/southbridge/intel/lynxpoint/pch.h index d76faf74dd..655aef1353 100644 --- a/src/southbridge/intel/lynxpoint/pch.h +++ b/src/southbridge/intel/lynxpoint/pch.h @@ -242,7 +242,7 @@ void pch_enable_lpc(void); #define GEN_PMCON_2 0xa2 #define GEN_PMCON_3 0xa4 #define PMIR 0xac -#define PMIR_CF9LOCK (1 << 31) +#define PMIR_CF9LOCK (1UL << 31) #define PMIR_CF9GR (1 << 20) /* GEN_PMCON_3 bits */ @@ -389,7 +389,7 @@ void pch_enable_lpc(void); #define XHCI_USB3_PORTSC_WRC (1 << 19) /* Warm Reset Complete */ #define XHCI_USB3_PORTSC_LWS (1 << 16) /* Link Write Strobe */ #define XHCI_USB3_PORTSC_PED (1 << 1) /* Port Enabled/Disabled */ -#define XHCI_USB3_PORTSC_WPR (1 << 31) /* Warm Port Reset */ +#define XHCI_USB3_PORTSC_WPR (1UL << 31) /* Warm Port Reset */ #define XHCI_USB3_PORTSC_PLS (0xf << 5) /* Port Link State */ #define XHCI_PLSR_DISABLED (4 << 5) /* Port is disabled */ #define XHCI_PLSR_RXDETECT (5 << 5) /* Port is disconnected */ |