linux-kernel - [PATCH RESEND] csky: change a Kconfig symbol name to fix e1000 build error

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Date:   Sat, 10 Apr 2021 22:53:35 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        kernel test robot <lkp@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>,
        intel-wired-lan@...ts.osuosl.org,
        Guo Ren <guoren@...ux.alibaba.com>,
        Guo Ren <guoren@...nel.org>, linux-csky@...r.kernel.org
Subject: [PATCH RESEND] csky: change a Kconfig symbol name to fix e1000 build error

e1000's #define of CONFIG_RAM_BASE conflicts with a Kconfig symbol in
arch/csky/Kconfig.
The symbol in e1000 has been around longer, so change arch/csky/
to use DRAM_BASE instead of RAM_BASE to remove the conflict.
(although e1000 is also a 2-line change)

Now build-tested.

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Reported-by: kernel test robot <lkp@...el.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Jesse Brandeburg <jesse.brandeburg@...el.com>
Cc: Tony Nguyen <anthony.l.nguyen@...el.com>
Cc: intel-wired-lan@...ts.osuosl.org
Cc: Guo Ren <guoren@...ux.alibaba.com>
Cc: Guo Ren <guoren@...nel.org>
Cc: linux-csky@...r.kernel.org
Acked-by: Guo Ren <guoren@...nel.org>
---
Andrew, please merge.

v2: Add Acked-by: Guo Ren
    Has now been build-tested.

IMO "CONFIG_" namespace should belong to Kconfig files, not
individual drivers, but e1000 isn't the only driver that uses
CONFIG_ symbols.

 arch/csky/Kconfig            |    2 +-
 arch/csky/include/asm/page.h |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

--- linux-next-20210409.orig/arch/csky/include/asm/page.h
+++ linux-next-20210409/arch/csky/include/asm/page.h
@@ -28,7 +28,7 @@
 #define SSEG_SIZE	0x20000000
 #define LOWMEM_LIMIT	(SSEG_SIZE * 2)
 
-#define PHYS_OFFSET_OFFSET (CONFIG_RAM_BASE & (SSEG_SIZE - 1))
+#define PHYS_OFFSET_OFFSET (CONFIG_DRAM_BASE & (SSEG_SIZE - 1))
 
 #ifndef __ASSEMBLY__
 
--- linux-next-20210409.orig/arch/csky/Kconfig
+++ linux-next-20210409/arch/csky/Kconfig
@@ -314,7 +314,7 @@ config FORCE_MAX_ZONEORDER
 	int "Maximum zone order"
 	default "11"
 
-config RAM_BASE
+config DRAM_BASE
 	hex "DRAM start addr (the same with memory-section in dts)"
 	default 0x0