diff mbox series

[RFC] MIPS: Fix a compilation issue

Message ID 20230118085912.608758-1-xurui@kylinos.cn (mailing list archive)
State Accepted
Commit 109d587a4b4d7ccca2200ab1f808f43ae23e2585
Headers show
Series [RFC] MIPS: Fix a compilation issue | expand

Commit Message

xurui Jan. 18, 2023, 8:59 a.m. UTC 
arch/mips/include/asm/mach-rc32434/pci.h:377:
cc1: error: result of ‘-117440512 << 16’ requires 44 bits to represent, but ‘int’ only has 32 bits [-Werror=shift-overflow=]

I guss we don`t need a left shift here?

Signed-off-by: xurui <xurui@kylinos.cn>
---
 arch/mips/include/asm/mach-rc32434/pci.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Thomas Bogendoerfer Jan. 27, 2023, 4:28 p.m. UTC | #1 
On Wed, Jan 18, 2023 at 04:59:12PM +0800, xurui wrote:
> arch/mips/include/asm/mach-rc32434/pci.h:377:
> cc1: error: result of ‘-117440512 << 16’ requires 44 bits to represent, but ‘int’ only has 32 bits [-Werror=shift-overflow=]
> 
> I guss we don`t need a left shift here?
> 
> Signed-off-by: xurui <xurui@kylinos.cn>
> ---
>  arch/mips/include/asm/mach-rc32434/pci.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/mips/include/asm/mach-rc32434/pci.h b/arch/mips/include/asm/mach-rc32434/pci.h
> index 9a6eefd12757..3eb767c8a4ee 100644
> --- a/arch/mips/include/asm/mach-rc32434/pci.h
> +++ b/arch/mips/include/asm/mach-rc32434/pci.h
> @@ -374,7 +374,7 @@ struct pci_msu {
>  				 PCI_CFG04_STAT_SSE | \
>  				 PCI_CFG04_STAT_PE)
>  
> -#define KORINA_CNFG1		((KORINA_STAT<<16)|KORINA_CMD)
> +#define KORINA_CNFG1		(KORINA_STAT | KORINA_CMD)
>  
>  #define KORINA_REVID		0
>  #define KORINA_CLASS_CODE	0
> -- 
> 2.25.1

applied to mips-next.

Thomas.
diff mbox series

Patch

diff --git a/arch/mips/include/asm/mach-rc32434/pci.h b/arch/mips/include/asm/mach-rc32434/pci.h
index 9a6eefd12757..3eb767c8a4ee 100644
--- a/arch/mips/include/asm/mach-rc32434/pci.h
+++ b/arch/mips/include/asm/mach-rc32434/pci.h
@@ -374,7 +374,7 @@  struct pci_msu {
 				 PCI_CFG04_STAT_SSE | \
 				 PCI_CFG04_STAT_PE)
 
-#define KORINA_CNFG1		((KORINA_STAT<<16)|KORINA_CMD)
+#define KORINA_CNFG1		(KORINA_STAT | KORINA_CMD)
 
 #define KORINA_REVID		0
 #define KORINA_CLASS_CODE	0