diff options
| author | Rabin Vincent <rabin.vincent@stericsson.com> | 2010-10-12 13:00:51 +0000 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2010-10-19 15:17:07 -0700 |
| commit | 38bdbf020ad7ae1bca564a7db238cdf8b2f462a8 (patch) | |
| tree | ee8e859322c752d4db84670fc55c707cdc59ce82 | |
| parent | 730c1871680774ea0700debc2981c7a53f51d92e (diff) | |
| download | linux-38bdbf020ad7ae1bca564a7db238cdf8b2f462a8.tar.bz2 | |
ste_dma40: move channel mode to a separate field
And keep it logical 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>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
| -rw-r--r-- | arch/arm/mach-ux500/devices-db8500.c | 7 | ||||
| -rw-r--r-- | arch/arm/plat-nomadik/include/plat/ste_dma40.h | 12 | ||||
| -rw-r--r-- | drivers/dma/ste_dma40.c | 8 |
3 files changed, 12 insertions, 15 deletions
diff --git a/arch/arm/mach-ux500/devices-db8500.c b/arch/arm/mach-ux500/devices-db8500.c index 70e3d409d254..86b650b0d456 100644 --- a/arch/arm/mach-ux500/devices-db8500.c +++ b/arch/arm/mach-ux500/devices-db8500.c @@ -132,8 +132,8 @@ 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_PCHAN_BASIC_MODE), + .channel_type = STEDMA40_PCHAN_BASIC_MODE, + .mode = STEDMA40_MODE_PHYSICAL, .dir = STEDMA40_MEM_TO_MEM, .src_info.endianess = STEDMA40_LITTLE_ENDIAN, @@ -148,8 +148,7 @@ 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_LCHAN_SRC_LOG_DST_LOG | + .channel_type = (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 9adcd9b3e293..e49a2a115928 100644 --- a/arch/arm/plat-nomadik/include/plat/ste_dma40.h +++ b/arch/arm/plat-nomadik/include/plat/ste_dma40.h @@ -23,11 +23,11 @@ * the info structure. */ -/* Mode */ -#define STEDMA40_INFO_CH_MODE_TYPE_POS 6 -#define STEDMA40_CHANNEL_IN_PHY_MODE (0x1 << STEDMA40_INFO_CH_MODE_TYPE_POS) -#define STEDMA40_CHANNEL_IN_LOG_MODE (0x2 << STEDMA40_INFO_CH_MODE_TYPE_POS) -#define STEDMA40_CHANNEL_IN_OPER_MODE (0x3 << STEDMA40_INFO_CH_MODE_TYPE_POS) +enum stedma40_mode { + STEDMA40_MODE_LOGICAL = 0, + STEDMA40_MODE_PHYSICAL, + STEDMA40_MODE_OPERATION, +}; /* Mode options */ #define STEDMA40_INFO_CH_MODE_OPT_POS 8 @@ -115,6 +115,7 @@ 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 + * @mode: channel mode: physical, logical, or operation * @src_dev_type: Src device type * @dst_dev_type: Dst device type * @src_info: Parameters for dst half channel @@ -129,6 +130,7 @@ struct stedma40_chan_cfg { enum stedma40_xfer_dir dir; unsigned int channel_type; bool high_priority; + enum stedma40_mode mode; int src_dev_type; int dst_dev_type; struct stedma40_half_channel_info src_info; diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 7bc535ee0a08..ddaeb51797b1 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -1151,8 +1151,7 @@ static int d40_validate_conf(struct d40_chan *d40c, int res = 0; u32 dst_event_group = D40_TYPE_TO_GROUP(conf->dst_dev_type); u32 src_event_group = D40_TYPE_TO_GROUP(conf->src_dev_type); - bool is_log = (conf->channel_type & STEDMA40_CHANNEL_IN_OPER_MODE) - == STEDMA40_CHANNEL_IN_LOG_MODE; + bool is_log = conf->mode == STEDMA40_MODE_LOGICAL; if (!conf->dir) { dev_err(&d40c->chan.dev->device, "[%s] Invalid direction.\n", @@ -1316,10 +1315,7 @@ static int d40_allocate_channel(struct d40_chan *d40c) int j; int log_num; bool is_src; - bool is_log = (d40c->dma_cfg.channel_type & - STEDMA40_CHANNEL_IN_OPER_MODE) - == STEDMA40_CHANNEL_IN_LOG_MODE; - + bool is_log = d40c->dma_cfg.mode == STEDMA40_MODE_LOGICAL; phys = d40c->base->phy_res; |