davinci: da8xx/omapl EVM: Specify reserved channels/slots

The drivers on da8xx/omapl EVMs do not utilize all the channels
and slots provided by EDMA. Some of these are better utilitzed by
the DSP on the SoC for speeding up codec operations.

Reserve these channels/slots for the DSP.

Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

1 files changed, 12 insertions, 9 deletions

diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index 1d956bfa9cf0..52bc7b1c6ca3 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -255,18 +255,21 @@ static struct platform_device da850_edma_device = {
         .resource       = da850_edma_resources,
 };
 
-int __init da8xx_register_edma(void)
+int __init da830_register_edma(struct edma_rsv_info *rsv)
 {
-        struct platform_device *pdev;
+        da830_edma_cc0_info.rsv = rsv;
 
-        if (cpu_is_davinci_da830())
-                pdev = &da830_edma_device;
-        else if (cpu_is_davinci_da850())
-                pdev = &da850_edma_device;
-        else
-                return -ENODEV;
+        return platform_device_register(&da830_edma_device);
+}
 
-        return platform_device_register(pdev);
+int __init da850_register_edma(struct edma_rsv_info *rsv[2])
+{
+        if (rsv) {
+                da850_edma_cc_info[0].rsv = rsv[0];
+                da850_edma_cc_info[1].rsv = rsv[1];
+        }
+
+        return platform_device_register(&da850_edma_device);
 }
 
 static struct resource da8xx_i2c_resources0[] = {