Change in the resource arbitration APIs to use the OPP layer.
diff --git a/arch/arm/plat-omap/omap-pm-noop.c
b/arch/arm/plat-omap/omap-pm-noop.c
index f7437f7..f59c4aa 100644
--- a/arch/arm/plat-omap/omap-pm-noop.c
+++ b/arch/arm/plat-omap/omap-pm-noop.c
@@ -26,10 +26,6 @@
#include <plat/powerdomain.h>
-struct omap_opp *dsp_opps;
-struct omap_opp *mpu_opps;
-struct omap_opp *l3_opps;
-
/*
* Device-driver-originated constraints (via board-*.c files)
*/
@@ -158,42 +154,21 @@ const struct omap_opp *omap_pm_dsp_get_opp_table(void)
return NULL;
}
-void omap_pm_dsp_set_min_opp(u8 opp_id)
+void omap_pm_dsp_set_min_freq(unsigned long freq)
{
- if (opp_id == 0) {
+ if (!freq) {
WARN_ON(1);
return;
}
- pr_debug("OMAP PM: DSP requests minimum VDD1 OPP to be %d\n", opp_id);
+ pr_debug("OMAP PM: DSP requests minimum DSP freq to be %lu\n", freq);
- /*
- *
- * For l-o dev tree, our VDD1 clk is keyed on OPP ID, so we
- * can just test to see which is higher, the CPU's desired OPP
- * ID or the DSP's desired OPP ID, and use whichever is
- * highest.
- *
- * In CDP12.14+, the VDD1 OPP custom clock that controls the DSP
- * rate is keyed on MPU speed, not the OPP ID. So we need to
- * map the OPP ID to the MPU speed for use with clk_set_rate()
- * if it is higher than the current OPP clock rate.
- *
- */
}
-u8 omap_pm_dsp_get_opp(void)
+unsigned long omap_pm_dsp_get_freq(void)
{
- pr_debug("OMAP PM: DSP requests current DSP OPP ID\n");
-
- /*
- * For l-o dev tree, call clk_get_rate() on VDD1 OPP clock
- *
- * CDP12.14+:
- * Call clk_get_rate() on the OPP custom clock, map that to an
- * OPP ID using the tables defined in board-*.c/chip-*.c files.
- */
+ pr_debug("OMAP PM: DSP requests current DSP freq\n");
return 0;
}
diff --git a/arch/arm/plat-omap/omap-pm-srf.c b/arch/arm/plat-omap/omap-pm-srf.c
index f7bf353..0736d6a 100644
--- a/arch/arm/plat-omap/omap-pm-srf.c
+++ b/arch/arm/plat-omap/omap-pm-srf.c
@@ -25,10 +25,6 @@
#include <plat/resource.h>
#include <plat/omap_device.h>
-struct omap_opp *dsp_opps;
-struct omap_opp *mpu_opps;
-struct omap_opp *l3_opps;
-
#define LAT_RES_POSTAMBLE "_latency"
#define MAX_LATENCY_RES_NAME 30
@@ -78,16 +74,17 @@ void omap_pm_set_min_bus_tput(struct device *dev, u8
agent_id, unsigned long r)
WARN_ON(1);
return;
};
+#warning "Convert throughput to L3 frequency before invoking resource_request"
if (r == 0) {
pr_debug("OMAP PM: remove min bus tput constraint: "
"dev %s for agent_id %d\n", dev_name(dev), agent_id);
- resource_release("vdd2_opp", dev);
+ resource_release("l3_freq", dev);
} else {
pr_debug("OMAP PM: add min bus tput constraint: "
"dev %s for agent_id %d: rate %ld KiB\n",
dev_name(dev), agent_id, r);
- resource_request("vdd2_opp", dev, r);
+ resource_request("l3_freq", dev, r);
}
}
@@ -168,42 +165,27 @@ void omap_pm_set_max_sdma_lat(struct device *dev, long t)
static struct device dummy_dsp_dev;
-/*
- * DSP Bridge-specific constraints
- */
-const struct omap_opp *omap_pm_dsp_get_opp_table(void)
-{
- pr_debug("OMAP PM: DSP request for OPP table\n");
-
- /*
- * Return DSP frequency table here: The final item in the
- * array should have .rate = .opp_id = 0.
- */
-
- return NULL;
-}
-
-void omap_pm_dsp_set_min_opp(u8 opp_id)
+void omap_pm_dsp_set_min_freq(unsigned long freq)
{
- if (opp_id == 0) {
+ if (!freq) {
WARN_ON(1);
return;
}
- pr_debug("OMAP PM: DSP requests minimum VDD1 OPP to be %d\n", opp_id);
+ pr_debug("OMAP PM: DSP requests minimum DSP freq to be %lu\n", freq);
/*
* For now pass a dummy_dev struct for SRF to identify the caller.
* Maybe its good to have DSP pass this as an argument
*/
- resource_request("vdd1_opp", &dummy_dsp_dev, opp_id);
+ resource_request("dsp_freq", &dummy_dsp_dev, freq);
return;
}
-u8 omap_pm_dsp_get_opp(void)
+unsigned long omap_pm_dsp_get_freq(void)
{
- pr_debug("OMAP PM: DSP requests current DSP OPP ID\n");
- return resource_get_level("vdd1_opp");
+ pr_debug("OMAP PM: DSP requests current DSP frequency\n");
+ return resource_get_level("dsp_freq");
return 0;
}
Change in the resource arbitration APIs to use the OPP layer.
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