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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-01-16 17:15:07 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-05-02 09:35:30 +0100
commit643761ac43dfe4bea1195e966fc65a9403cdcb9f (patch)
tree75d59ed9d5d2058f188acc6bbdb047f8266fa512
parent39c0cb02db5b8fdfac76d506b7a008b70bc960e9 (diff)
downloadblackbird-op-linux-643761ac43dfe4bea1195e966fc65a9403cdcb9f.tar.gz
blackbird-op-linux-643761ac43dfe4bea1195e966fc65a9403cdcb9f.zip
ARM: ICST: icst.*_ps_to_vco() functions are unused, remove them
These functions were originally implemented for the CLCD driver before we had clk API support. Since the CLCD driver does not use these anymore, we can remove them. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
-rw-r--r--arch/arm/common/icst307.c64
-rw-r--r--arch/arm/common/icst525.c65
-rw-r--r--arch/arm/include/asm/hardware/icst307.h1
-rw-r--r--arch/arm/include/asm/hardware/icst525.h1
4 files changed, 0 insertions, 131 deletions
diff --git a/arch/arm/common/icst307.c b/arch/arm/common/icst307.c
index 2eebd960c01b..f78f5b5880c2 100644
--- a/arch/arm/common/icst307.c
+++ b/arch/arm/common/icst307.c
@@ -95,67 +95,3 @@ icst307_khz_to_vco(const struct icst_params *p, unsigned long freq)
}
EXPORT_SYMBOL(icst307_khz_to_vco);
-
-struct icst_vco
-icst307_ps_to_vco(const struct icst_params *p, unsigned long period)
-{
- struct icst_vco vco = { .s = 1, .v = p->vd_max, .r = p->rd_max };
- unsigned long f, ps;
- unsigned int i = 0, rd, best = (unsigned int)-1;
-
- ps = 1000000000UL / p->vco_max;
-
- /*
- * First, find the PLL output divisor such
- * that the PLL output is within spec.
- */
- do {
- f = period / s2div[idx2s[i]];
-
- /*
- * f must be between 6MHz and 200MHz (3.3 or 5V)
- */
- if (f >= ps && f < 1000000000UL / 6000 + 1)
- break;
- } while (i < ARRAY_SIZE(idx2s));
-
- if (i >= ARRAY_SIZE(idx2s))
- return vco;
-
- vco.s = idx2s[i];
-
- ps = 500000000UL / p->ref;
-
- /*
- * Now find the closest divisor combination
- * which gives a PLL output of 'f'.
- */
- for (rd = p->rd_min; rd <= p->rd_max; rd++) {
- unsigned long f_in_div, f_pll;
- unsigned int vd;
- int f_diff;
-
- f_in_div = ps * rd;
-
- vd = (f_in_div + f / 2) / f;
- if (vd < p->vd_min || vd > p->vd_max)
- continue;
-
- f_pll = (f_in_div + vd / 2) / vd;
- f_diff = f_pll - f;
- if (f_diff < 0)
- f_diff = -f_diff;
-
- if ((unsigned)f_diff < best) {
- vco.v = vd - 8;
- vco.r = rd - 2;
- if (f_diff == 0)
- break;
- best = f_diff;
- }
- }
-
- return vco;
-}
-
-EXPORT_SYMBOL(icst307_ps_to_vco);
diff --git a/arch/arm/common/icst525.c b/arch/arm/common/icst525.c
index fd5c2e7ed176..eadf983ee434 100644
--- a/arch/arm/common/icst525.c
+++ b/arch/arm/common/icst525.c
@@ -93,68 +93,3 @@ icst525_khz_to_vco(const struct icst_params *p, unsigned long freq)
}
EXPORT_SYMBOL(icst525_khz_to_vco);
-
-struct icst_vco
-icst525_ps_to_vco(const struct icst_params *p, unsigned long period)
-{
- struct icst_vco vco = { .s = 1, .v = p->vd_max, .r = p->rd_max };
- unsigned long f, ps;
- unsigned int i = 0, rd, best = (unsigned int)-1;
-
- ps = 1000000000UL / p->vco_max;
-
- /*
- * First, find the PLL output divisor such
- * that the PLL output is within spec.
- */
- do {
- f = period / s2div[idx2s[i]];
-
- /*
- * f must be between 10MHz and
- * 320MHz (5V) or 200MHz (3V)
- */
- if (f >= ps && f < 100000)
- break;
- } while (i < ARRAY_SIZE(idx2s));
-
- if (i >= ARRAY_SIZE(idx2s))
- return vco;
-
- vco.s = idx2s[i];
-
- ps = 500000000UL / p->ref;
-
- /*
- * Now find the closest divisor combination
- * which gives a PLL output of 'f'.
- */
- for (rd = p->rd_min; rd <= p->rd_max; rd++) {
- unsigned long f_in_div, f_pll;
- unsigned int vd;
- int f_diff;
-
- f_in_div = ps * rd;
-
- vd = (f_in_div + f / 2) / f;
- if (vd < p->vd_min || vd > p->vd_max)
- continue;
-
- f_pll = (f_in_div + vd / 2) / vd;
- f_diff = f_pll - f;
- if (f_diff < 0)
- f_diff = -f_diff;
-
- if ((unsigned)f_diff < best) {
- vco.v = vd - 8;
- vco.r = rd - 2;
- if (f_diff == 0)
- break;
- best = f_diff;
- }
- }
-
- return vco;
-}
-
-EXPORT_SYMBOL(icst525_ps_to_vco);
diff --git a/arch/arm/include/asm/hardware/icst307.h b/arch/arm/include/asm/hardware/icst307.h
index 85932e902e99..8d0820a654db 100644
--- a/arch/arm/include/asm/hardware/icst307.h
+++ b/arch/arm/include/asm/hardware/icst307.h
@@ -20,6 +20,5 @@
unsigned long icst307_khz(const struct icst_params *p, struct icst_vco vco);
struct icst_vco icst307_khz_to_vco(const struct icst_params *p, unsigned long freq);
-struct icst_vco icst307_ps_to_vco(const struct icst_params *p, unsigned long period);
#endif
diff --git a/arch/arm/include/asm/hardware/icst525.h b/arch/arm/include/asm/hardware/icst525.h
index 170deb2b605b..42a274e59fa2 100644
--- a/arch/arm/include/asm/hardware/icst525.h
+++ b/arch/arm/include/asm/hardware/icst525.h
@@ -18,6 +18,5 @@
unsigned long icst525_khz(const struct icst_params *p, struct icst_vco vco);
struct icst_vco icst525_khz_to_vco(const struct icst_params *p, unsigned long freq);
-struct icst_vco icst525_ps_to_vco(const struct icst_params *p, unsigned long period);
#endif
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