arm: Enlarge IO_SPACE_LIMIT needed for some SoC

PATCH Superseded Ansuel Smith 1 participant 1 message Feb 28, 2021

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Stable branch Arm (32-bit)

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Ansuel Smith

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2021-02-28 23:11 UTC #0 lore raw

PATCH 1/1 arm: Enlarge IO_SPACE_LIMIT needed for some SoC

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 <[email protected]> # 4.9+

Signed-off-by Ansuel Smith <[email protected]>

---
 arch/arm/include/asm/io.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

arch/arm/include/asm/io.h +1 -1

index fc748122f1e0..6f3e89f08bd8 100644
@@ -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)

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