lkml.org 
[lkml]   [2010]   [Oct]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/7] ste_dma40: move priority to separate field
Date
From: Rabin Vincent <rabin.vincent@stericsson.com>

And keep it low priority by default.

Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
---
arch/arm/mach-ux500/devices-db8500.c | 2 --
arch/arm/plat-nomadik/include/plat/ste_dma40.h | 7 ++-----
drivers/dma/ste_dma40_ll.c | 2 +-
3 files changed, 3 insertions(+), 8 deletions(-)
diff --git a/arch/arm/mach-ux500/devices-db8500.c b/arch/arm/mach-ux500/devices-db8500.c
index d60ecb2..f672fe1 100644
--- a/arch/arm/mach-ux500/devices-db8500.c
+++ b/arch/arm/mach-ux500/devices-db8500.c
@@ -209,7 +209,6 @@ static struct resource dma40_resources[] = {
/* Default configuration for physcial memcpy */
struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
.channel_type = (STEDMA40_CHANNEL_IN_PHY_MODE |
- STEDMA40_LOW_PRIORITY_CHANNEL |
STEDMA40_PCHAN_BASIC_MODE),
.dir = STEDMA40_MEM_TO_MEM,

@@ -226,7 +225,6 @@ struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
/* Default configuration for logical memcpy */
struct stedma40_chan_cfg dma40_memcpy_conf_log = {
.channel_type = (STEDMA40_CHANNEL_IN_LOG_MODE |
- STEDMA40_LOW_PRIORITY_CHANNEL |
STEDMA40_LCHAN_SRC_LOG_DST_LOG |
STEDMA40_NO_TIM_FOR_LINK),
.dir = STEDMA40_MEM_TO_MEM,
diff --git a/arch/arm/plat-nomadik/include/plat/ste_dma40.h b/arch/arm/plat-nomadik/include/plat/ste_dma40.h
index 3dd4255..9adcd9b 100644
--- a/arch/arm/plat-nomadik/include/plat/ste_dma40.h
+++ b/arch/arm/plat-nomadik/include/plat/ste_dma40.h
@@ -23,11 +23,6 @@
* the info structure.
*/

-/* Priority */
-#define STEDMA40_INFO_PRIO_TYPE_POS 2
-#define STEDMA40_HIGH_PRIORITY_CHANNEL (0x1 << STEDMA40_INFO_PRIO_TYPE_POS)
-#define STEDMA40_LOW_PRIORITY_CHANNEL (0x2 << STEDMA40_INFO_PRIO_TYPE_POS)
-
/* Mode */
#define STEDMA40_INFO_CH_MODE_TYPE_POS 6
#define STEDMA40_CHANNEL_IN_PHY_MODE (0x1 << STEDMA40_INFO_CH_MODE_TYPE_POS)
@@ -119,6 +114,7 @@ struct stedma40_half_channel_info {
*
* @dir: MEM 2 MEM, PERIPH 2 MEM , MEM 2 PERIPH, PERIPH 2 PERIPH
* @channel_type: priority, mode, mode options and interrupt configuration.
+ * @high_priority: true if high-priority
* @src_dev_type: Src device type
* @dst_dev_type: Dst device type
* @src_info: Parameters for dst half channel
@@ -132,6 +128,7 @@ struct stedma40_half_channel_info {
struct stedma40_chan_cfg {
enum stedma40_xfer_dir dir;
unsigned int channel_type;
+ bool high_priority;
int src_dev_type;
int dst_dev_type;
struct stedma40_half_channel_info src_info;
diff --git a/drivers/dma/ste_dma40_ll.c b/drivers/dma/ste_dma40_ll.c
index 86a306d..cfc86a5 100644
--- a/drivers/dma/ste_dma40_ll.c
+++ b/drivers/dma/ste_dma40_ll.c
@@ -108,7 +108,7 @@ void d40_phy_cfg(struct stedma40_chan_cfg *cfg,
src |= 1 << D40_SREG_CFG_LOG_GIM_POS;
}

- if (cfg->channel_type & STEDMA40_HIGH_PRIORITY_CHANNEL) {
+ if (cfg->high_priority) {
src |= 1 << D40_SREG_CFG_PRI_POS;
dst |= 1 << D40_SREG_CFG_PRI_POS;
}
--
1.6.3.3


\
 
 \ /
  Last update: 2010-10-12 15:03    [W:0.182 / U:0.080 seconds]
©2003-2014 Jasper Spaans. Advertise on this site