diff options
author | Tony Lindgren <tony@atomide.com> | 2010-02-24 20:53:03 -0800 |
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committer | Tony Lindgren <tony@atomide.com> | 2010-02-24 20:53:03 -0800 |
commit | b610ec502376d915b76a62e22576c5d0462cc9c9 (patch) | |
tree | 55206c47da1f010588964edafe09284fce704b63 /arch/arm/plat-omap/omap_device.c | |
parent | 0fdc54b2019700a4b50179914e810367c14044a3 (diff) | |
parent | ad001f145dcf457251e78fe2ae2ed40df1bda4ed (diff) |
Merge branch 'for_2.6.34_b' of git://git.pwsan.com/linux-2.6 into omap-for-linus
Diffstat (limited to 'arch/arm/plat-omap/omap_device.c')
-rw-r--r-- | arch/arm/plat-omap/omap_device.c | 61 |
1 files changed, 51 insertions, 10 deletions
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c index 5195dbb1a39..59043589484 100644 --- a/arch/arm/plat-omap/omap_device.c +++ b/arch/arm/plat-omap/omap_device.c @@ -90,6 +90,8 @@ #define IGNORE_WAKEUP_LAT 1 +#define OMAP_DEVICE_MAGIC 0xf00dcafe + /* Private functions */ /** @@ -305,6 +307,7 @@ int omap_device_fill_resources(struct omap_device *od, struct resource *res) * @pdata_len: amount of memory pointed to by @pdata * @pm_lats: pointer to a omap_device_pm_latency array for this device * @pm_lats_cnt: ARRAY_SIZE() of @pm_lats + * @is_early_device: should the device be registered as an early device or not * * Convenience function for building and registering a single * omap_device record, which in turn builds and registers a @@ -316,7 +319,7 @@ struct omap_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, - int pm_lats_cnt) + int pm_lats_cnt, int is_early_device) { struct omap_hwmod *ohs[] = { oh }; @@ -324,7 +327,8 @@ struct omap_device *omap_device_build(const char *pdev_name, int pdev_id, return ERR_PTR(-EINVAL); return omap_device_build_ss(pdev_name, pdev_id, ohs, 1, pdata, - pdata_len, pm_lats, pm_lats_cnt); + pdata_len, pm_lats, pm_lats_cnt, + is_early_device); } /** @@ -336,6 +340,7 @@ struct omap_device *omap_device_build(const char *pdev_name, int pdev_id, * @pdata_len: amount of memory pointed to by @pdata * @pm_lats: pointer to a omap_device_pm_latency array for this device * @pm_lats_cnt: ARRAY_SIZE() of @pm_lats + * @is_early_device: should the device be registered as an early device or not * * Convenience function for building and registering an omap_device * subsystem record. Subsystem records consist of multiple @@ -347,7 +352,7 @@ struct omap_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 pm_lats_cnt, int is_early_device) { int ret = -ENOMEM; struct omap_device *od; @@ -403,7 +408,13 @@ struct omap_device *omap_device_build_ss(const char *pdev_name, int pdev_id, od->pm_lats = pm_lats; od->pm_lats_cnt = pm_lats_cnt; - ret = omap_device_register(od); + od->magic = OMAP_DEVICE_MAGIC; + + if (is_early_device) + ret = omap_early_device_register(od); + else + ret = omap_device_register(od); + if (ret) goto odbs_exit4; @@ -424,6 +435,24 @@ odbs_exit1: } /** + * omap_early_device_register - register an omap_device as an early platform + * device. + * @od: struct omap_device * to register + * + * Register the omap_device structure. This currently just calls + * platform_early_add_device() on the underlying platform_device. + * Returns 0 by default. + */ +int omap_early_device_register(struct omap_device *od) +{ + struct platform_device *devices[1]; + + devices[0] = &(od->pdev); + early_platform_add_devices(devices, 1); + return 0; +} + +/** * omap_device_register - register an omap_device with one omap_hwmod * @od: struct omap_device * to register * @@ -462,8 +491,8 @@ int omap_device_enable(struct platform_device *pdev) od = _find_by_pdev(pdev); if (od->_state == OMAP_DEVICE_STATE_ENABLED) { - WARN(1, "omap_device: %s.%d: omap_device_enable() called from " - "invalid state\n", od->pdev.name, od->pdev.id); + WARN(1, "omap_device: %s.%d: %s() called from invalid state %d\n", + od->pdev.name, od->pdev.id, __func__, od->_state); return -EINVAL; } @@ -501,8 +530,8 @@ int omap_device_idle(struct platform_device *pdev) od = _find_by_pdev(pdev); if (od->_state != OMAP_DEVICE_STATE_ENABLED) { - WARN(1, "omap_device: %s.%d: omap_device_idle() called from " - "invalid state\n", od->pdev.name, od->pdev.id); + WARN(1, "omap_device: %s.%d: %s() called from invalid state %d\n", + od->pdev.name, od->pdev.id, __func__, od->_state); return -EINVAL; } @@ -534,8 +563,8 @@ 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: omap_device_shutdown() called " - "from invalid state\n", od->pdev.name, od->pdev.id); + WARN(1, "omap_device: %s.%d: %s() called from invalid state %d\n", + od->pdev.name, od->pdev.id, __func__, od->_state); return -EINVAL; } @@ -589,6 +618,18 @@ int omap_device_align_pm_lat(struct platform_device *pdev, } /** + * omap_device_is_valid - Check if pointer is a valid omap_device + * @od: struct omap_device * + * + * Return whether struct omap_device pointer @od points to a valid + * omap_device. + */ +bool omap_device_is_valid(struct omap_device *od) +{ + return (od && od->magic == OMAP_DEVICE_MAGIC); +} + +/** * omap_device_get_pwrdm - return the powerdomain * associated with @od * @od: struct omap_device * * |