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Diffstat (limited to 'arch/arm/mach-omap2/omap_hwmod.c')
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.c171
1 files changed, 24 insertions, 147 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 31d1a21f6041..111677878d9c 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -706,9 +706,7 @@ static const struct of_device_id ti_clkctrl_match_table[] __initconst = {
static int __init _setup_clkctrl_provider(struct device_node *np)
{
- const __be32 *addrp;
struct clkctrl_provider *provider;
- u64 size;
int i;
provider = memblock_alloc(sizeof(*provider), SMP_CACHE_BYTES);
@@ -717,8 +715,7 @@ static int __init _setup_clkctrl_provider(struct device_node *np)
provider->node = np;
- provider->num_addrs =
- of_property_count_elems_of_size(np, "reg", sizeof(u32)) / 2;
+ provider->num_addrs = of_address_count(np);
provider->addr =
memblock_alloc(sizeof(void *) * provider->num_addrs,
@@ -733,11 +730,11 @@ static int __init _setup_clkctrl_provider(struct device_node *np)
return -ENOMEM;
for (i = 0; i < provider->num_addrs; i++) {
- addrp = of_get_address(np, i, &size, NULL);
- provider->addr[i] = (u32)of_translate_address(np, addrp);
- provider->size[i] = size;
- pr_debug("%s: %pOF: %x...%x\n", __func__, np, provider->addr[i],
- provider->addr[i] + provider->size[i]);
+ struct resource res;
+ of_address_to_resource(np, i, &res);
+ provider->addr[i] = res.start;
+ provider->size[i] = resource_size(&res);
+ pr_debug("%s: %pOF: %pR\n", __func__, np, &res);
}
list_add(&provider->link, &clkctrl_providers);
@@ -903,7 +900,7 @@ static int _init_interface_clks(struct omap_hwmod *oh)
}
/**
- * _init_opt_clk - get a struct clk * for the hwmod's optional clocks
+ * _init_opt_clks - get a struct clk * for the hwmod's optional clocks
* @oh: struct omap_hwmod *
*
* Called from _init_clocks(). Populates the @oh omap_hwmod_opt_clk
@@ -2197,23 +2194,8 @@ int omap_hwmod_parse_module_range(struct omap_hwmod *oh,
struct resource *res)
{
struct property *prop;
- const __be32 *ranges;
const char *name;
- u32 nr_addr, nr_size;
- u64 base, size;
- int len, error;
-
- if (!res)
- return -EINVAL;
-
- ranges = of_get_property(np, "ranges", &len);
- if (!ranges)
- return -ENOENT;
-
- len /= sizeof(*ranges);
-
- if (len < 3)
- return -EINVAL;
+ int err;
of_property_for_each_string(np, "compatible", prop, name)
if (!strncmp("ti,sysc-", name, 8))
@@ -2222,26 +2204,12 @@ int omap_hwmod_parse_module_range(struct omap_hwmod *oh,
if (!name)
return -ENOENT;
- error = of_property_read_u32(np, "#address-cells", &nr_addr);
- if (error)
- return -ENOENT;
-
- error = of_property_read_u32(np, "#size-cells", &nr_size);
- if (error)
- return -ENOENT;
+ err = of_range_to_resource(np, 0, res);
+ if (err)
+ return err;
- if (nr_addr != 1 || nr_size != 1) {
- pr_err("%s: invalid range for %s->%pOFn\n", __func__,
- oh->name, np);
- return -EINVAL;
- }
-
- ranges++;
- base = of_translate_address(np, ranges++);
- size = be32_to_cpup(ranges);
-
- pr_debug("omap_hwmod: %s %pOFn at 0x%llx size 0x%llx\n",
- oh->name, np, base, size);
+ pr_debug("omap_hwmod: %s %pOFn at %pR\n",
+ oh->name, np, res);
if (oh && oh->mpu_rt_idx) {
omap_hwmod_fix_mpu_rt_idx(oh, np, res);
@@ -2249,10 +2217,6 @@ int omap_hwmod_parse_module_range(struct omap_hwmod *oh,
return 0;
}
- res->start = base;
- res->end = base + size - 1;
- res->flags = IORESOURCE_MEM;
-
return 0;
}
@@ -2322,18 +2286,18 @@ static int __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data,
static void __init parse_module_flags(struct omap_hwmod *oh,
struct device_node *np)
{
- if (of_find_property(np, "ti,no-reset-on-init", NULL))
+ if (of_property_read_bool(np, "ti,no-reset-on-init"))
oh->flags |= HWMOD_INIT_NO_RESET;
- if (of_find_property(np, "ti,no-idle-on-init", NULL))
+ if (of_property_read_bool(np, "ti,no-idle-on-init"))
oh->flags |= HWMOD_INIT_NO_IDLE;
- if (of_find_property(np, "ti,no-idle", NULL))
+ if (of_property_read_bool(np, "ti,no-idle"))
oh->flags |= HWMOD_NO_IDLE;
}
/**
* _init - initialize internal data for the hwmod @oh
* @oh: struct omap_hwmod *
- * @n: (unused)
+ * @data: (unused)
*
* Look up the clocks and the address space used by the MPU to access
* registers belonging to the hwmod @oh. @oh must already be
@@ -2529,7 +2493,7 @@ static void _setup_postsetup(struct omap_hwmod *oh)
/**
* _setup - prepare IP block hardware for use
* @oh: struct omap_hwmod *
- * @n: (unused, pass NULL)
+ * @data: (unused, pass NULL)
*
* Configure the IP block represented by @oh. This may include
* enabling the IP block, resetting it, and placing it into a
@@ -3054,6 +3018,8 @@ int __init omap_hwmod_register_links(struct omap_hwmod_ocp_if **ois)
return 0;
}
+static int __init omap_hwmod_setup_one(const char *oh_name);
+
/**
* _ensure_mpu_hwmod_is_setup - ensure the MPU SS hwmod is init'ed and set up
* @oh: pointer to the hwmod currently being set up (usually not the MPU)
@@ -3084,7 +3050,7 @@ static void __init _ensure_mpu_hwmod_is_setup(struct omap_hwmod *oh)
* registered omap_hwmod. Also calls _setup() on each hwmod. Returns
* -EINVAL upon error or 0 upon success.
*/
-int __init omap_hwmod_setup_one(const char *oh_name)
+static int __init omap_hwmod_setup_one(const char *oh_name)
{
struct omap_hwmod *oh;
@@ -3401,8 +3367,9 @@ static int omap_hwmod_check_module(struct device *dev,
* omap_hwmod_allocate_module - allocate new module
* @dev: struct device
* @oh: module
+ * @data: module data
* @sysc_fields: sysc register bits
- * @clockdomain: clockdomain
+ * @clkdm: clockdomain
* @rev_offs: revision register offset
* @sysc_offs: sysconfig register offset
* @syss_offs: sysstatus register offset
@@ -3455,7 +3422,7 @@ static int omap_hwmod_allocate_module(struct device *dev, struct omap_hwmod *oh,
}
if (list_empty(&oh->slave_ports)) {
- oi = kcalloc(1, sizeof(*oi), GFP_KERNEL);
+ oi = kzalloc(sizeof(*oi), GFP_KERNEL);
if (!oi)
goto out_free_class;
@@ -3764,55 +3731,6 @@ int omap_hwmod_shutdown(struct omap_hwmod *oh)
*/
/**
- * omap_hwmod_get_pwrdm - return pointer to this module's main powerdomain
- * @oh: struct omap_hwmod *
- *
- * Return the powerdomain pointer associated with the OMAP module
- * @oh's main clock. If @oh does not have a main clk, return the
- * powerdomain associated with the interface clock associated with the
- * module's MPU port. (XXX Perhaps this should use the SDMA port
- * instead?) Returns NULL on error, or a struct powerdomain * on
- * success.
- */
-struct powerdomain *omap_hwmod_get_pwrdm(struct omap_hwmod *oh)
-{
- struct clk *c;
- struct omap_hwmod_ocp_if *oi;
- struct clockdomain *clkdm;
- struct clk_hw_omap *clk;
- struct clk_hw *hw;
-
- if (!oh)
- return NULL;
-
- if (oh->clkdm)
- return oh->clkdm->pwrdm.ptr;
-
- if (oh->_clk) {
- c = oh->_clk;
- } else {
- oi = _find_mpu_rt_port(oh);
- if (!oi)
- return NULL;
- c = oi->_clk;
- }
-
- hw = __clk_get_hw(c);
- if (!hw)
- return NULL;
-
- clk = to_clk_hw_omap(hw);
- if (!clk)
- return NULL;
-
- clkdm = clk->clkdm;
- if (!clkdm)
- return NULL;
-
- return clkdm->pwrdm.ptr;
-}
-
-/**
* omap_hwmod_get_mpu_rt_va - return the module's base address (for the MPU)
* @oh: struct omap_hwmod *
*
@@ -3978,32 +3896,6 @@ ohsps_unlock:
}
/**
- * omap_hwmod_get_context_loss_count - get lost context count
- * @oh: struct omap_hwmod *
- *
- * Returns the context loss count of associated @oh
- * upon success, or zero if no context loss data is available.
- *
- * On OMAP4, this queries the per-hwmod context loss register,
- * assuming one exists. If not, or on OMAP2/3, this queries the
- * enclosing powerdomain context loss count.
- */
-int omap_hwmod_get_context_loss_count(struct omap_hwmod *oh)
-{
- struct powerdomain *pwrdm;
- int ret = 0;
-
- if (soc_ops.get_context_lost)
- return soc_ops.get_context_lost(oh);
-
- pwrdm = omap_hwmod_get_pwrdm(oh);
- if (pwrdm)
- ret = pwrdm_get_context_loss_count(pwrdm);
-
- return ret;
-}
-
-/**
* omap_hwmod_init - initialize the hwmod code
*
* Sets up some function pointers needed by the hwmod code to operate on the
@@ -4054,18 +3946,3 @@ void __init omap_hwmod_init(void)
inited = true;
}
-
-/**
- * omap_hwmod_get_main_clk - get pointer to main clock name
- * @oh: struct omap_hwmod *
- *
- * Returns the main clock name assocated with @oh upon success,
- * or NULL if @oh is NULL.
- */
-const char *omap_hwmod_get_main_clk(struct omap_hwmod *oh)
-{
- if (!oh)
- return NULL;
-
- return oh->main_clk;
-}