x86: quark: Fix unused warnings
The variable t_rfc is never used, so drop it. The variables ddr_wctl
and ddr_wcmd are only used in certain manual instances, so guard their
declaration by the same check as their use.
Cc: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/cpu/quark/smc.c b/arch/x86/cpu/quark/smc.c
index 3ffe92b..0195b56 100644
--- a/arch/x86/cpu/quark/smc.c
+++ b/arch/x86/cpu/quark/smc.c
@@ -17,15 +17,6 @@
#include "hte.h"
#include "smc.h"
-/* t_rfc values (in picoseconds) per density */
-static const uint32_t t_rfc[5] = {
- 90000, /* 512Mb */
- 110000, /* 1Gb */
- 160000, /* 2Gb */
- 300000, /* 4Gb */
- 350000, /* 8Gb */
-};
-
/* t_ck clock period in picoseconds per speed index 800, 1066, 1333 */
static const uint32_t t_ck[3] = {
2500,
@@ -35,8 +26,12 @@
/* Global variables */
static const uint16_t ddr_wclk[] = {193, 158};
+#ifdef BACKUP_WCTL
static const uint16_t ddr_wctl[] = {1, 217};
+#endif
+#ifdef BACKUP_WCMD
static const uint16_t ddr_wcmd[] = {1, 220};
+#endif
#ifdef BACKUP_RCVN
static const uint16_t ddr_rcvn[] = {129, 498};