On 3/21/2011 6:42 PM, Hema Kalliguddi wrote:
Rajendra,
-----Original Message-----
From: linux-omap-owner@xxxxxxxxxxxxxxx
[mailto:linux-omap-owner@xxxxxxxxxxxxxxx] On Behalf Of Rajendra Nayak
Sent: Monday, March 21, 2011 4:40 PM
To: linux-omap@xxxxxxxxxxxxxxx
Cc: paul@xxxxxxxxx; b-cousson@xxxxxx; Rajendra Nayak
Subject: [RFC 3/3] OMAP3: omap_device: Add support to
associate a device with an initiator
These api's are meant to to used by drivers to
associate/disassociate a device from a given initiator.
Signed-off-by: Rajendra Nayak<rnayak@xxxxxx>
---
arch/arm/plat-omap/omap_device.c | 54
++++++++++++++++++++++++++++++++++++++
1 files changed, 54 insertions(+), 0 deletions(-)
diff --git a/arch/arm/plat-omap/omap_device.c
b/arch/arm/plat-omap/omap_device.c
index 9bbda9a..0cd05d2 100644
--- a/arch/arm/plat-omap/omap_device.c
+++ b/arch/arm/plat-omap/omap_device.c
@@ -662,6 +662,60 @@ int omap_device_shutdown(struct
platform_device *pdev)
return ret;
}
+static int omap_device_add_initiator_user(struct
platform_device *pdev,
+ u8 init_id)
+{
+ int i;
+ struct omap_device *od;
+
+ od = _find_by_pdev(pdev);
+
+ if (od->_state != OMAP_DEVICE_STATE_ENABLED)
+ return -EINVAL;
+
+ for (i = 0; i< od->hwmods_cnt; i++)
+ omap_hwmod_add_initiator_user(od->hwmods[i], init_id);
Not checking for return value.
Thanks, will fix that.
+
+ return 0;
+}
+
+inline int omap_device_add_mpu_user(struct platform_device *pdev)
+{
+ return omap_device_add_initiator_user(pdev, OMAP_INIT_MPU);
+}
+
+inline int omap_device_add_iva_user(struct platform_device *pdev)
+{
+ return omap_device_add_initiator_user(pdev, OMAP_INIT_IVA);
Ditto..
+}
+
+static int omap_device_del_initiator_user(struct
platform_device *pdev,
+ u8 init_id)
+{
+ int i;
+ struct omap_device *od;
+
+ od = _find_by_pdev(pdev);
+
+ if (od->_state == OMAP_DEVICE_STATE_ENABLED)
+ return -EINVAL;
+
+ for (i = 0; i< od->hwmods_cnt; i++)
+ omap_hwmod_del_initiator_user(od->hwmods[i], init_id);
+
+ return 0;
+}
+
+inline int omap_device_del_mpu_user(struct platform_device *pdev)
+{
+ return omap_device_del_initiator_user(pdev, OMAP_INIT_MPU);
+}
+
+inline int omap_device_del_iva_user(struct platform_device *pdev)
+{
+ return omap_device_del_initiator_user(pdev, OMAP_INIT_IVA);
+}
+
/**
* omap_device_align_pm_lat - activate/deactivate device to
match wakeup lat lim
* @od: struct omap_device *
--
1.7.0.4
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