Ipq8064 SoC requires larger IO_SPACE_LIMIT or second and third pci port fails to register the IO addresses and connected device doesn't work.
Cc: stable@vger.kernel.org # 4.9+ Signed-off-by: Ansuel Smith ansuelsmth@gmail.com --- arch/arm/include/asm/io.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index fc748122f1e0..6f3e89f08bd8 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -197,7 +197,7 @@ void __iomem *pci_remap_cfgspace(resource_size_t res_cookie, size_t size); #ifdef CONFIG_NEED_MACH_IO_H #include <mach/io.h> #elif defined(CONFIG_PCI) -#define IO_SPACE_LIMIT ((resource_size_t)0xfffff) +#define IO_SPACE_LIMIT ((resource_size_t)0xffffff) #define __io(a) __typesafe_io(PCI_IO_VIRT_BASE + ((a) & IO_SPACE_LIMIT)) #else #define __io(a) __typesafe_io((a) & IO_SPACE_LIMIT)