From: Paul Burton paul.burton@mips.com
commit 17a29fea086ba18b000d28439bd5cb4f2b0a527b upstream.
When building for a non-Cavium MIPS system with COMPILE_TEST=y, the Octeon ethernet driver hits a number of issues due to use of macros provided only for CONFIG_CAVIUM_OCTEON_SOC=y configurations. For example:
drivers/staging/octeon/ethernet-rx.c:190:6: error: 'CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE' undeclared (first use in this function) drivers/staging/octeon/ethernet-rx.c:472:25: error: 'OCTEON_IRQ_WORKQ0' undeclared (first use in this function)
These come from various asm/ headers that a non-Octeon build will be using a non-Octeon version of.
Fix this by using the octeon-stubs.h header for non-Cavium MIPS builds, and only using the real asm/octeon/ headers when building a Cavium Octeon kernel configuration.
This requires that octeon-stubs.h doesn't redefine XKPHYS_TO_PHYS, which is defined for MIPS by asm/addrspace.h which is pulled in by many other common asm/ headers.
Signed-off-by: Paul Burton paul.burton@mips.com Reported-by: Geert Uytterhoeven geert@linux-m68k.org URL: https://lore.kernel.org/linux-mips/CAMuHMdXvu+BppwzsU9imNWVKea_hoLcRt9N+a29Q... Fixes: 171a9bae68c7 ("staging/octeon: Allow test build on !MIPS") Cc: Matthew Wilcox (Oracle) willy@infradead.org Cc: David S. Miller davem@davemloft.net Link: https://lore.kernel.org/r/20191007231741.2012860-1-paul.burton@mips.com Cc: Guenter Roeck linux@roeck-us.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/staging/octeon/octeon-ethernet.h | 2 +- drivers/staging/octeon/octeon-stubs.h | 5 ++++- 2 files changed, 5 insertions(+), 2 deletions(-)
--- a/drivers/staging/octeon/octeon-ethernet.h +++ b/drivers/staging/octeon/octeon-ethernet.h @@ -14,7 +14,7 @@ #include <linux/of.h> #include <linux/phy.h>
-#ifdef CONFIG_MIPS +#ifdef CONFIG_CAVIUM_OCTEON_SOC
#include <asm/octeon/octeon.h>
--- a/drivers/staging/octeon/octeon-stubs.h +++ b/drivers/staging/octeon/octeon-stubs.h @@ -1,5 +1,8 @@ #define CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE 512 -#define XKPHYS_TO_PHYS(p) (p) + +#ifndef XKPHYS_TO_PHYS +# define XKPHYS_TO_PHYS(p) (p) +#endif
#define OCTEON_IRQ_WORKQ0 0 #define OCTEON_IRQ_RML 0