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drivers: ddr: fsl: fix unused-const-variable warnings

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Depending on DDR configuration, gcc-6.x will show up unused-const-
variable messages. Use __maybe_unused specifier for all dynamic_odt
variable definitions to remove these warnings.

Memory footprint will not increase as gcc will optimize out unused
constants.

Signed-off-by: Thomas Schaefer <thomas.schaefer@kontron.com>
Signed-off-by: York Sun <york.sun@nxp.com>
This commit is contained in:
Thomas Schaefer
2017-03-28 11:29:56 -07:00
committed by York Sun
parent 3fea953698
commit 97fbf26d79
1 changed files with 36 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

72
drivers/ddr/fsl/options.c
View File

@ -33,7 +33,7 @@ struct dynamic_odt {
/* Quad rank is not verified yet due availability. /* Quad rank is not verified yet due availability.
* Replacing 20 OHM with 34 OHM since DDR4 doesn't have 20 OHM option * Replacing 20 OHM with 34 OHM since DDR4 doesn't have 20 OHM option
*/ */
static const struct dynamic_odt single_Q[4] = { static __maybe_unused const struct dynamic_odt single_Q[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_CS_AND_OTHER_DIMM, FSL_DDR_ODT_CS_AND_OTHER_DIMM,
@ -60,7 +60,7 @@ static const struct dynamic_odt single_Q[4] = {
} }
}; };
static const struct dynamic_odt single_D[4] = { static __maybe_unused const struct dynamic_odt single_D[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_ALL, FSL_DDR_ODT_ALL,
@ -77,7 +77,7 @@ static const struct dynamic_odt single_D[4] = {
{0, 0, 0, 0} {0, 0, 0, 0}
}; };
static const struct dynamic_odt single_S[4] = { static __maybe_unused const struct dynamic_odt single_S[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_ALL, FSL_DDR_ODT_ALL,
@ -89,7 +89,7 @@ static const struct dynamic_odt single_S[4] = {
{0, 0, 0, 0}, {0, 0, 0, 0},
}; };
static const struct dynamic_odt dual_DD[4] = { static __maybe_unused const struct dynamic_odt dual_DD[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_SAME_DIMM, FSL_DDR_ODT_SAME_DIMM,
@ -116,7 +116,7 @@ static const struct dynamic_odt dual_DD[4] = {
} }
}; };
static const struct dynamic_odt dual_DS[4] = { static __maybe_unused const struct dynamic_odt dual_DS[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_SAME_DIMM, FSL_DDR_ODT_SAME_DIMM,
@ -137,7 +137,7 @@ static const struct dynamic_odt dual_DS[4] = {
}, },
{0, 0, 0, 0} {0, 0, 0, 0}
}; };
static const struct dynamic_odt dual_SD[4] = { static __maybe_unused const struct dynamic_odt dual_SD[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_OTHER_DIMM, FSL_DDR_ODT_OTHER_DIMM,
FSL_DDR_ODT_ALL, FSL_DDR_ODT_ALL,
@ -159,7 +159,7 @@ static const struct dynamic_odt dual_SD[4] = {
} }
}; };
static const struct dynamic_odt dual_SS[4] = { static __maybe_unused const struct dynamic_odt dual_SS[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_OTHER_DIMM, FSL_DDR_ODT_OTHER_DIMM,
FSL_DDR_ODT_ALL, FSL_DDR_ODT_ALL,
@ -176,7 +176,7 @@ static const struct dynamic_odt dual_SS[4] = {
{0, 0, 0, 0} {0, 0, 0, 0}
}; };
static const struct dynamic_odt dual_D0[4] = { static __maybe_unused const struct dynamic_odt dual_D0[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_SAME_DIMM, FSL_DDR_ODT_SAME_DIMM,
@ -193,7 +193,7 @@ static const struct dynamic_odt dual_D0[4] = {
{0, 0, 0, 0} {0, 0, 0, 0}
}; };
static const struct dynamic_odt dual_0D[4] = { static __maybe_unused const struct dynamic_odt dual_0D[4] = {
{0, 0, 0, 0}, {0, 0, 0, 0},
{0, 0, 0, 0}, {0, 0, 0, 0},
{ /* cs2 */ { /* cs2 */
@ -210,7 +210,7 @@ static const struct dynamic_odt dual_0D[4] = {
} }
}; };
static const struct dynamic_odt dual_S0[4] = { static __maybe_unused const struct dynamic_odt dual_S0[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_CS, FSL_DDR_ODT_CS,
@ -223,7 +223,7 @@ static const struct dynamic_odt dual_S0[4] = {
}; };
static const struct dynamic_odt dual_0S[4] = { static __maybe_unused const struct dynamic_odt dual_0S[4] = {
{0, 0, 0, 0}, {0, 0, 0, 0},
{0, 0, 0, 0}, {0, 0, 0, 0},
{ /* cs2 */ { /* cs2 */
@ -236,7 +236,7 @@ static const struct dynamic_odt dual_0S[4] = {
}; };
static const struct dynamic_odt odt_unknown[4] = { static __maybe_unused const struct dynamic_odt odt_unknown[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_CS, FSL_DDR_ODT_CS,
@ -263,7 +263,7 @@ static const struct dynamic_odt odt_unknown[4] = {
} }
}; };
#elif defined(CONFIG_SYS_FSL_DDR3) #elif defined(CONFIG_SYS_FSL_DDR3)
static const struct dynamic_odt single_Q[4] = { static __maybe_unused const struct dynamic_odt single_Q[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_CS_AND_OTHER_DIMM, FSL_DDR_ODT_CS_AND_OTHER_DIMM,
@ -290,7 +290,7 @@ static const struct dynamic_odt single_Q[4] = {
} }
}; };
static const struct dynamic_odt single_D[4] = { static __maybe_unused const struct dynamic_odt single_D[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_ALL, FSL_DDR_ODT_ALL,
@ -307,7 +307,7 @@ static const struct dynamic_odt single_D[4] = {
{0, 0, 0, 0} {0, 0, 0, 0}
}; };
static const struct dynamic_odt single_S[4] = { static __maybe_unused const struct dynamic_odt single_S[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_ALL, FSL_DDR_ODT_ALL,
@ -319,7 +319,7 @@ static const struct dynamic_odt single_S[4] = {
{0, 0, 0, 0}, {0, 0, 0, 0},
}; };
static const struct dynamic_odt dual_DD[4] = { static __maybe_unused const struct dynamic_odt dual_DD[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_SAME_DIMM, FSL_DDR_ODT_SAME_DIMM,
@ -346,7 +346,7 @@ static const struct dynamic_odt dual_DD[4] = {
} }
}; };
static const struct dynamic_odt dual_DS[4] = { static __maybe_unused const struct dynamic_odt dual_DS[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_SAME_DIMM, FSL_DDR_ODT_SAME_DIMM,
@ -367,7 +367,7 @@ static const struct dynamic_odt dual_DS[4] = {
}, },
{0, 0, 0, 0} {0, 0, 0, 0}
}; };
static const struct dynamic_odt dual_SD[4] = { static __maybe_unused const struct dynamic_odt dual_SD[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_OTHER_DIMM, FSL_DDR_ODT_OTHER_DIMM,
FSL_DDR_ODT_ALL, FSL_DDR_ODT_ALL,
@ -389,7 +389,7 @@ static const struct dynamic_odt dual_SD[4] = {
} }
}; };
static const struct dynamic_odt dual_SS[4] = { static __maybe_unused const struct dynamic_odt dual_SS[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_OTHER_DIMM, FSL_DDR_ODT_OTHER_DIMM,
FSL_DDR_ODT_ALL, FSL_DDR_ODT_ALL,
@ -406,7 +406,7 @@ static const struct dynamic_odt dual_SS[4] = {
{0, 0, 0, 0} {0, 0, 0, 0}
}; };
static const struct dynamic_odt dual_D0[4] = { static __maybe_unused const struct dynamic_odt dual_D0[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_SAME_DIMM, FSL_DDR_ODT_SAME_DIMM,
@ -423,7 +423,7 @@ static const struct dynamic_odt dual_D0[4] = {
{0, 0, 0, 0} {0, 0, 0, 0}
}; };
static const struct dynamic_odt dual_0D[4] = { static __maybe_unused const struct dynamic_odt dual_0D[4] = {
{0, 0, 0, 0}, {0, 0, 0, 0},
{0, 0, 0, 0}, {0, 0, 0, 0},
{ /* cs2 */ { /* cs2 */
@ -440,7 +440,7 @@ static const struct dynamic_odt dual_0D[4] = {
} }
}; };
static const struct dynamic_odt dual_S0[4] = { static __maybe_unused const struct dynamic_odt dual_S0[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_CS, FSL_DDR_ODT_CS,
@ -453,7 +453,7 @@ static const struct dynamic_odt dual_S0[4] = {
}; };
static const struct dynamic_odt dual_0S[4] = { static __maybe_unused const struct dynamic_odt dual_0S[4] = {
{0, 0, 0, 0}, {0, 0, 0, 0},
{0, 0, 0, 0}, {0, 0, 0, 0},
{ /* cs2 */ { /* cs2 */
@ -466,7 +466,7 @@ static const struct dynamic_odt dual_0S[4] = {
}; };
static const struct dynamic_odt odt_unknown[4] = { static __maybe_unused const struct dynamic_odt odt_unknown[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_CS, FSL_DDR_ODT_CS,
@ -493,14 +493,14 @@ static const struct dynamic_odt odt_unknown[4] = {
} }
}; };
#else /* CONFIG_SYS_FSL_DDR3 */ #else /* CONFIG_SYS_FSL_DDR3 */
static const struct dynamic_odt single_Q[4] = { static __maybe_unused const struct dynamic_odt single_Q[4] = {
{0, 0, 0, 0}, {0, 0, 0, 0},
{0, 0, 0, 0}, {0, 0, 0, 0},
{0, 0, 0, 0}, {0, 0, 0, 0},
{0, 0, 0, 0} {0, 0, 0, 0}
}; };
static const struct dynamic_odt single_D[4] = { static __maybe_unused const struct dynamic_odt single_D[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_ALL, FSL_DDR_ODT_ALL,
@ -517,7 +517,7 @@ static const struct dynamic_odt single_D[4] = {
{0, 0, 0, 0} {0, 0, 0, 0}
}; };
static const struct dynamic_odt single_S[4] = { static __maybe_unused const struct dynamic_odt single_S[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_ALL, FSL_DDR_ODT_ALL,
@ -529,7 +529,7 @@ static const struct dynamic_odt single_S[4] = {
{0, 0, 0, 0}, {0, 0, 0, 0},
}; };
static const struct dynamic_odt dual_DD[4] = { static __maybe_unused const struct dynamic_odt dual_DD[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_OTHER_DIMM, FSL_DDR_ODT_OTHER_DIMM,
FSL_DDR_ODT_OTHER_DIMM, FSL_DDR_ODT_OTHER_DIMM,
@ -556,7 +556,7 @@ static const struct dynamic_odt dual_DD[4] = {
} }
}; };
static const struct dynamic_odt dual_DS[4] = { static __maybe_unused const struct dynamic_odt dual_DS[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_OTHER_DIMM, FSL_DDR_ODT_OTHER_DIMM,
FSL_DDR_ODT_OTHER_DIMM, FSL_DDR_ODT_OTHER_DIMM,
@ -578,7 +578,7 @@ static const struct dynamic_odt dual_DS[4] = {
{0, 0, 0, 0} {0, 0, 0, 0}
}; };
static const struct dynamic_odt dual_SD[4] = { static __maybe_unused const struct dynamic_odt dual_SD[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_OTHER_DIMM, FSL_DDR_ODT_OTHER_DIMM,
FSL_DDR_ODT_OTHER_DIMM, FSL_DDR_ODT_OTHER_DIMM,
@ -600,7 +600,7 @@ static const struct dynamic_odt dual_SD[4] = {
} }
}; };
static const struct dynamic_odt dual_SS[4] = { static __maybe_unused const struct dynamic_odt dual_SS[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_OTHER_DIMM, FSL_DDR_ODT_OTHER_DIMM,
FSL_DDR_ODT_OTHER_DIMM, FSL_DDR_ODT_OTHER_DIMM,
@ -617,7 +617,7 @@ static const struct dynamic_odt dual_SS[4] = {
{0, 0, 0, 0} {0, 0, 0, 0}
}; };
static const struct dynamic_odt dual_D0[4] = { static __maybe_unused const struct dynamic_odt dual_D0[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_ALL, FSL_DDR_ODT_ALL,
@ -634,7 +634,7 @@ static const struct dynamic_odt dual_D0[4] = {
{0, 0, 0, 0} {0, 0, 0, 0}
}; };
static const struct dynamic_odt dual_0D[4] = { static __maybe_unused const struct dynamic_odt dual_0D[4] = {
{0, 0, 0, 0}, {0, 0, 0, 0},
{0, 0, 0, 0}, {0, 0, 0, 0},
{ /* cs2 */ { /* cs2 */
@ -651,7 +651,7 @@ static const struct dynamic_odt dual_0D[4] = {
} }
}; };
static const struct dynamic_odt dual_S0[4] = { static __maybe_unused const struct dynamic_odt dual_S0[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_CS, FSL_DDR_ODT_CS,
@ -664,7 +664,7 @@ static const struct dynamic_odt dual_S0[4] = {
}; };
static const struct dynamic_odt dual_0S[4] = { static __maybe_unused const struct dynamic_odt dual_0S[4] = {
{0, 0, 0, 0}, {0, 0, 0, 0},
{0, 0, 0, 0}, {0, 0, 0, 0},
{ /* cs2 */ { /* cs2 */
@ -677,7 +677,7 @@ static const struct dynamic_odt dual_0S[4] = {
}; };
static const struct dynamic_odt odt_unknown[4] = { static __maybe_unused const struct dynamic_odt odt_unknown[4] = {
{ /* cs0 */ { /* cs0 */
FSL_DDR_ODT_NEVER, FSL_DDR_ODT_NEVER,
FSL_DDR_ODT_CS, FSL_DDR_ODT_CS,