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Diffstat (limited to 'arch/arm/plat-omap/omap_device.c')
-rw-r--r--arch/arm/plat-omap/omap_device.c185
1 files changed, 96 insertions, 89 deletions
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c
index 02609eee056..26aee5cc1fc 100644
--- a/arch/arm/plat-omap/omap_device.c
+++ b/arch/arm/plat-omap/omap_device.c
@@ -94,6 +94,9 @@
#define USE_WAKEUP_LAT 0
#define IGNORE_WAKEUP_LAT 1
+static int omap_device_register(struct platform_device *pdev);
+static int omap_early_device_register(struct platform_device *pdev);
+
/* Private functions */
/**
@@ -114,7 +117,7 @@ static int _omap_device_activate(struct omap_device *od, u8 ignore_lat)
{
struct timespec a, b, c;
- pr_debug("omap_device: %s: activating\n", od->pdev.name);
+ dev_dbg(&od->pdev->dev, "omap_device: activating\n");
while (od->pm_lat_level > 0) {
struct omap_device_pm_latency *odpl;
@@ -138,25 +141,24 @@ static int _omap_device_activate(struct omap_device *od, u8 ignore_lat)
c = timespec_sub(b, a);
act_lat = timespec_to_ns(&c);
- pr_debug("omap_device: %s: pm_lat %d: activate: elapsed time "
- "%llu nsec\n", od->pdev.name, od->pm_lat_level,
- act_lat);
+ dev_dbg(&od->pdev->dev,
+ "omap_device: pm_lat %d: activate: elapsed time "
+ "%llu nsec\n", od->pm_lat_level, act_lat);
if (act_lat > odpl->activate_lat) {
odpl->activate_lat_worst = act_lat;
if (odpl->flags & OMAP_DEVICE_LATENCY_AUTO_ADJUST) {
odpl->activate_lat = act_lat;
- pr_warning("omap_device: %s.%d: new worst case "
- "activate latency %d: %llu\n",
- od->pdev.name, od->pdev.id,
- od->pm_lat_level, act_lat);
+ dev_dbg(&od->pdev->dev,
+ "new worst case activate latency "
+ "%d: %llu\n",
+ od->pm_lat_level, act_lat);
} else
- pr_warning("omap_device: %s.%d: activate "
- "latency %d higher than exptected. "
- "(%llu > %d)\n",
- od->pdev.name, od->pdev.id,
- od->pm_lat_level, act_lat,
- odpl->activate_lat);
+ dev_warn(&od->pdev->dev,
+ "activate latency %d "
+ "higher than exptected. (%llu > %d)\n",
+ od->pm_lat_level, act_lat,
+ odpl->activate_lat);
}
od->dev_wakeup_lat -= odpl->activate_lat;
@@ -183,7 +185,7 @@ static int _omap_device_deactivate(struct omap_device *od, u8 ignore_lat)
{
struct timespec a, b, c;
- pr_debug("omap_device: %s: deactivating\n", od->pdev.name);
+ dev_dbg(&od->pdev->dev, "omap_device: deactivating\n");
while (od->pm_lat_level < od->pm_lats_cnt) {
struct omap_device_pm_latency *odpl;
@@ -206,28 +208,26 @@ static int _omap_device_deactivate(struct omap_device *od, u8 ignore_lat)
c = timespec_sub(b, a);
deact_lat = timespec_to_ns(&c);
- pr_debug("omap_device: %s: pm_lat %d: deactivate: elapsed time "
- "%llu nsec\n", od->pdev.name, od->pm_lat_level,
- deact_lat);
+ dev_dbg(&od->pdev->dev,
+ "omap_device: pm_lat %d: deactivate: elapsed time "
+ "%llu nsec\n", od->pm_lat_level, deact_lat);
if (deact_lat > odpl->deactivate_lat) {
odpl->deactivate_lat_worst = deact_lat;
if (odpl->flags & OMAP_DEVICE_LATENCY_AUTO_ADJUST) {
odpl->deactivate_lat = deact_lat;
- pr_warning("omap_device: %s.%d: new worst case "
- "deactivate latency %d: %llu\n",
- od->pdev.name, od->pdev.id,
- od->pm_lat_level, deact_lat);
+ dev_dbg(&od->pdev->dev,
+ "new worst case deactivate latency "
+ "%d: %llu\n",
+ od->pm_lat_level, deact_lat);
} else
- pr_warning("omap_device: %s.%d: deactivate "
- "latency %d higher than exptected. "
- "(%llu > %d)\n",
- od->pdev.name, od->pdev.id,
- od->pm_lat_level, deact_lat,
- odpl->deactivate_lat);
+ dev_warn(&od->pdev->dev,
+ "deactivate latency %d "
+ "higher than exptected. (%llu > %d)\n",
+ od->pm_lat_level, deact_lat,
+ odpl->deactivate_lat);
}
-
od->dev_wakeup_lat += odpl->activate_lat;
od->pm_lat_level++;
@@ -245,28 +245,27 @@ static void _add_clkdev(struct omap_device *od, const char *clk_alias,
if (!clk_alias || !clk_name)
return;
- pr_debug("omap_device: %s: Creating %s -> %s\n",
- dev_name(&od->pdev.dev), clk_alias, clk_name);
+ dev_dbg(&od->pdev->dev, "Creating %s -> %s\n", clk_alias, clk_name);
- r = clk_get_sys(dev_name(&od->pdev.dev), clk_alias);
+ r = clk_get_sys(dev_name(&od->pdev->dev), clk_alias);
if (!IS_ERR(r)) {
- pr_warning("omap_device: %s: alias %s already exists\n",
- dev_name(&od->pdev.dev), clk_alias);
+ dev_warn(&od->pdev->dev,
+ "alias %s already exists\n", clk_alias);
clk_put(r);
return;
}
r = omap_clk_get_by_name(clk_name);
if (IS_ERR(r)) {
- pr_err("omap_device: %s: omap_clk_get_by_name for %s failed\n",
- dev_name(&od->pdev.dev), clk_name);
+ dev_err(&od->pdev->dev,
+ "omap_clk_get_by_name for %s failed\n", clk_name);
return;
}
- l = clkdev_alloc(r, clk_alias, dev_name(&od->pdev.dev));
+ l = clkdev_alloc(r, clk_alias, dev_name(&od->pdev->dev));
if (!l) {
- pr_err("omap_device: %s: clkdev_alloc for %s failed\n",
- dev_name(&od->pdev.dev), clk_alias);
+ dev_err(&od->pdev->dev,
+ "clkdev_alloc for %s failed\n", clk_alias);
return;
}
@@ -343,7 +342,7 @@ u32 omap_device_get_context_loss_count(struct platform_device *pdev)
* much memory to allocate before calling
* omap_device_fill_resources(). Returns the count.
*/
-int omap_device_count_resources(struct omap_device *od)
+static int omap_device_count_resources(struct omap_device *od)
{
int c = 0;
int i;
@@ -352,7 +351,7 @@ int omap_device_count_resources(struct omap_device *od)
c += omap_hwmod_count_resources(od->hwmods[i]);
pr_debug("omap_device: %s: counted %d total resources across %d "
- "hwmods\n", od->pdev.name, c, od->hwmods_cnt);
+ "hwmods\n", od->pdev->name, c, od->hwmods_cnt);
return c;
}
@@ -374,7 +373,8 @@ int omap_device_count_resources(struct omap_device *od)
* functions to get device resources. Hacking around the existing
* platform_device code wastes memory. Returns 0.
*/
-int omap_device_fill_resources(struct omap_device *od, struct resource *res)
+static int omap_device_fill_resources(struct omap_device *od,
+ struct resource *res)
{
int c = 0;
int i, r;
@@ -405,7 +405,7 @@ int omap_device_fill_resources(struct omap_device *od, struct resource *res)
* information. Returns ERR_PTR(-EINVAL) if @oh is NULL; otherwise,
* passes along the return value of omap_device_build_ss().
*/
-struct omap_device *omap_device_build(const char *pdev_name, int pdev_id,
+struct platform_device *omap_device_build(const char *pdev_name, int pdev_id,
struct omap_hwmod *oh, void *pdata,
int pdata_len,
struct omap_device_pm_latency *pm_lats,
@@ -438,15 +438,15 @@ struct omap_device *omap_device_build(const char *pdev_name, int pdev_id,
* platform_device record. Returns an ERR_PTR() on error, or passes
* along the return value of omap_device_register().
*/
-struct omap_device *omap_device_build_ss(const char *pdev_name, int pdev_id,
+struct platform_device *omap_device_build_ss(const char *pdev_name, int pdev_id,
struct omap_hwmod **ohs, int oh_cnt,
void *pdata, int pdata_len,
struct omap_device_pm_latency *pm_lats,
int pm_lats_cnt, int is_early_device)
{
int ret = -ENOMEM;
+ struct platform_device *pdev;
struct omap_device *od;
- char *pdev_name2;
struct resource *res = NULL;
int i, res_count;
struct omap_hwmod **hwmods;
@@ -457,72 +457,76 @@ struct omap_device *omap_device_build_ss(const char *pdev_name, int pdev_id,
if (!pdata && pdata_len > 0)
return ERR_PTR(-EINVAL);
+ pdev = platform_device_alloc(pdev_name, pdev_id);
+ if (!pdev) {
+ ret = -ENOMEM;
+ goto odbs_exit;
+ }
+
pr_debug("omap_device: %s: building with %d hwmods\n", pdev_name,
oh_cnt);
od = kzalloc(sizeof(struct omap_device), GFP_KERNEL);
- if (!od)
- return ERR_PTR(-ENOMEM);
-
+ if (!od) {
+ ret = -ENOMEM;
+ goto odbs_exit1;
+ }
od->hwmods_cnt = oh_cnt;
hwmods = kzalloc(sizeof(struct omap_hwmod *) * oh_cnt,
GFP_KERNEL);
if (!hwmods)
- goto odbs_exit1;
+ goto odbs_exit2;
memcpy(hwmods, ohs, sizeof(struct omap_hwmod *) * oh_cnt);
od->hwmods = hwmods;
-
- pdev_name2 = kzalloc(strlen(pdev_name) + 1, GFP_KERNEL);
- if (!pdev_name2)
- goto odbs_exit2;
- strcpy(pdev_name2, pdev_name);
-
- od->pdev.name = pdev_name2;
- od->pdev.id = pdev_id;
+ od->pdev = pdev;
res_count = omap_device_count_resources(od);
if (res_count > 0) {
res = kzalloc(sizeof(struct resource) * res_count, GFP_KERNEL);
if (!res)
goto odbs_exit3;
- }
- omap_device_fill_resources(od, res);
- od->pdev.num_resources = res_count;
- od->pdev.resource = res;
+ omap_device_fill_resources(od, res);
+
+ ret = platform_device_add_resources(pdev, res, res_count);
+ kfree(res);
- ret = platform_device_add_data(&od->pdev, pdata, pdata_len);
+ if (ret)
+ goto odbs_exit3;
+ }
+
+ ret = platform_device_add_data(pdev, pdata, pdata_len);
if (ret)
- goto odbs_exit4;
+ goto odbs_exit3;
- od->pm_lats = pm_lats;
- od->pm_lats_cnt = pm_lats_cnt;
+ pdev->archdata.od = od;
if (is_early_device)
- ret = omap_early_device_register(od);
+ ret = omap_early_device_register(pdev);
else
- ret = omap_device_register(od);
+ ret = omap_device_register(pdev);
+ if (ret)
+ goto odbs_exit3;
+
+ od->pm_lats = pm_lats;
+ od->pm_lats_cnt = pm_lats_cnt;
for (i = 0; i < oh_cnt; i++) {
hwmods[i]->od = od;
_add_hwmod_clocks_clkdev(od, hwmods[i]);
}
- if (ret)
- goto odbs_exit4;
-
- return od;
+ return pdev;
-odbs_exit4:
- kfree(res);
odbs_exit3:
- kfree(pdev_name2);
-odbs_exit2:
kfree(hwmods);
-odbs_exit1:
+odbs_exit2:
kfree(od);
+odbs_exit1:
+ platform_device_put(pdev);
+odbs_exit:
pr_err("omap_device: %s: build failed (%d)\n", pdev_name, ret);
@@ -538,11 +542,11 @@ odbs_exit1:
* platform_early_add_device() on the underlying platform_device.
* Returns 0 by default.
*/
-int omap_early_device_register(struct omap_device *od)
+static int omap_early_device_register(struct platform_device *pdev)
{
struct platform_device *devices[1];
- devices[0] = &(od->pdev);
+ devices[0] = pdev;
early_platform_add_devices(devices, 1);
return 0;
}
@@ -638,13 +642,13 @@ static struct dev_pm_domain omap_device_pm_domain = {
* platform_device_register() on the underlying platform_device.
* Returns the return value of platform_device_register().
*/
-int omap_device_register(struct omap_device *od)
+static int omap_device_register(struct platform_device *pdev)
{
- pr_debug("omap_device: %s: registering\n", od->pdev.name);
+ pr_debug("omap_device: %s: registering\n", pdev->name);
- od->pdev.dev.parent = &omap_device_parent;
- od->pdev.dev.pm_domain = &omap_device_pm_domain;
- return platform_device_register(&od->pdev);
+ pdev->dev.parent = &omap_device_parent;
+ pdev->dev.pm_domain = &omap_device_pm_domain;
+ return platform_device_add(pdev);
}
@@ -671,8 +675,9 @@ int omap_device_enable(struct platform_device *pdev)
od = to_omap_device(pdev);
if (od->_state == OMAP_DEVICE_STATE_ENABLED) {
- WARN(1, "omap_device: %s.%d: %s() called from invalid state %d\n",
- od->pdev.name, od->pdev.id, __func__, od->_state);
+ dev_warn(&pdev->dev,
+ "omap_device: %s() called from invalid state %d\n",
+ __func__, od->_state);
return -EINVAL;
}
@@ -710,8 +715,9 @@ int omap_device_idle(struct platform_device *pdev)
od = to_omap_device(pdev);
if (od->_state != OMAP_DEVICE_STATE_ENABLED) {
- WARN(1, "omap_device: %s.%d: %s() called from invalid state %d\n",
- od->pdev.name, od->pdev.id, __func__, od->_state);
+ dev_warn(&pdev->dev,
+ "omap_device: %s() called from invalid state %d\n",
+ __func__, od->_state);
return -EINVAL;
}
@@ -742,8 +748,9 @@ int omap_device_shutdown(struct platform_device *pdev)
if (od->_state != OMAP_DEVICE_STATE_ENABLED &&
od->_state != OMAP_DEVICE_STATE_IDLE) {
- WARN(1, "omap_device: %s.%d: %s() called from invalid state %d\n",
- od->pdev.name, od->pdev.id, __func__, od->_state);
+ dev_warn(&pdev->dev,
+ "omap_device: %s() called from invalid state %d\n",
+ __func__, od->_state);
return -EINVAL;
}