DMAENGINE: ste_dma40: no disabled phy channels on ux500

Make sure we have no disabled physical channels when we start on
the ux500 machines.

Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

2 files changed, 4 insertions, 1 deletions

diff --git a/arch/arm/mach-ux500/devices-db8500.c b/arch/arm/mach-ux500/devices-db8500.c
index a001e4c052c2..e2b7c31ef372 100644
--- a/arch/arm/mach-ux500/devices-db8500.c
+++ b/arch/arm/mach-ux500/devices-db8500.c
@@ -194,6 +194,7 @@ static struct stedma40_platform_data dma40_plat_data = {
         .memcpy_conf_phy = &dma40_memcpy_conf_phy,
         .memcpy_conf_log = &dma40_memcpy_conf_log,
         .llis_per_log = 8,
+        .disabled_channels = {-1},
 };
 
 struct platform_device u8500_dma40_device = {
diff --git a/arch/arm/plat-nomadik/include/plat/ste_dma40.h b/arch/arm/plat-nomadik/include/plat/ste_dma40.h
index 4d12ea4ca361..5fbde4b8dc12 100644
--- a/arch/arm/plat-nomadik/include/plat/ste_dma40.h
+++ b/arch/arm/plat-nomadik/include/plat/ste_dma40.h
@@ -148,7 +148,8 @@ struct stedma40_chan_cfg {
  * @memcpy_conf_phy: default configuration of physical channel memcpy
  * @memcpy_conf_log: default configuration of logical channel memcpy
  * @llis_per_log: number of max linked list items per logical channel
- *
+ * @disabled_channels: A vector, ending with -1, that marks physical channels
+ * that are for different reasons not available for the driver.
  */
 struct stedma40_platform_data {
         u32                              dev_len;
@@ -159,6 +160,7 @@ struct stedma40_platform_data {
         struct stedma40_chan_cfg        *memcpy_conf_phy;
         struct stedma40_chan_cfg        *memcpy_conf_log;
         unsigned int                     llis_per_log;
+        int                              disabled_channels[8];
 };
 
 /**