Nishant,
Since you are anyways re-sending this you might as well fix these nits.
On 09/16/2010 12:56 AM, ext Kevin Hilman wrote:
From: Nishanth Menon<n...@ti.com>
diff --git a/arch/arm/plat-omap/opp.c b/arch/arm/plat-omap/opp.c
new file mode 100644
index 0000000..17f93b2
--- /dev/null
+++ b/arch/arm/plat-omap/opp.c
@@ -0,0 +1,461 @@
+/*
+ * OMAP OPP Interface
+ *
+ * Copyright (C) 2009-2010 Texas Instruments Incorporated.
+ * Nishanth Menon
+ * Romit Dasgupta<ro...@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/**
+ * opp_get_voltage() - Gets the voltage corresponding to an opp
+ * @opp: opp for which voltage has to be returned for
+ *
+ * Return voltage in micro volt corresponding to the opp, else
+ * return 0
+ */
+unsigned long opp_get_voltage(const struct omap_opp *opp)
+{
+ if (unlikely(!opp || IS_ERR(opp)) || !opp->enabled) {
If !opp->enabled, then is it really an invalid parameter being passed?
I'm not user if people need to know the voltage of a disabled OPP, but
do we need to limit it?
+ pr_err("%s: Invalid parameters being passed\n", __func__);
+ return 0;
+ }
+
+ return opp->u_volt;
+}
+
+/**
+ * opp_get_freq() - Gets the frequency corresponding to an opp
+ * @opp: opp for which frequency has to be returned for
+ *
+ * Return frequency in hertz corresponding to the opp, else
+ * return 0
+ */
+unsigned long opp_get_freq(const struct omap_opp *opp)
+{
+ if (unlikely(!opp || IS_ERR(opp)) || !opp->enabled) {
ditto.
+ pr_err("%s: Invalid parameters being passed\n", __func__);
+ return 0;
+ }
+
+ return opp->rate;
+}
+
+/**
+ * opp_get_opp_count() - Get number of opps enabled in the opp list
+ * @opp_type: OPP type we want to count
+ *
+ * This functions returns the number of opps if there are any OPPs enabled,
+ * else returns corresponding error value.
+ */
+int opp_get_opp_count(struct device *dev)
+{
+ struct device_opp *dev_opp;
+
+ dev_opp = find_device_opp(dev);
+ if (IS_ERR(dev_opp))
+ return -ENODEV;
+
+ return dev_opp->enabled_opp_count;
+}
+
+/**
+ * opp_find_freq_exact() - search for an exact frequency
+ * @opp_type: OPP type we want to search in.
+ * @freq: frequency to search for
+ * @enabled: enabled/disabled OPP to search for
+ *
+ * Searches for exact match in the opp list and returns handle to the matching
+ * opp if found, else returns ERR_PTR in case of error and should be handled
+ * using IS_ERR.
+ *
+ * Note enabled is a modifier for the search. if enabled=true, then the match
is
Good to add some punctuation after 'Note'.
+ * for exact matching frequency and is enabled. if false, the match is for
exact
+ * frequency which is disabled.
+ */
cheers,
-roger
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