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Date: Fri, 3 May 2013 15:32:41 +0100
From: Lee Jones <lee.jones@...aro.org>
To: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc: arnd@...db.de, linus.walleij@...ricsson.com,
srinidhi.kasagar@...ricsson.com, Lee Jones <lee.jones@...aro.org>,
Vinod Koul <vinod.koul@...el.com>, Dan Williams <djbw@...com>,
Per Forlin <per.forlin@...ricsson.com>,
Rabin Vincent <rabin@....in>
Subject: [PATCH 55/63] dmaengine: ste_dma40: Replace ST-E's home-brew DMA direction defs with generic ones
STEDMA40_*_TO_* direction definitions are identical in all but name to
the pre-defined generic DMA_*_TO_* ones. Let's make things easy by not
duplicating such things.
Cc: Vinod Koul <vinod.koul@...el.com>
Cc: Dan Williams <djbw@...com>
Cc: Per Forlin <per.forlin@...ricsson.com>
Cc: Rabin Vincent <rabin@....in>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
drivers/dma/ste_dma40.c | 56 ++++++++++++++++++++++----------------------
drivers/dma/ste_dma40_ll.c | 24 +++++++++----------
2 files changed, 40 insertions(+), 40 deletions(-)
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 8e7fa9d..78aeaa7 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -64,7 +64,7 @@ static int dma40_memcpy_channels[] = { 56, 57, 58, 59, 60 };
/* Default configuration for physcial memcpy */
struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
.mode = STEDMA40_MODE_PHYSICAL,
- .dir = STEDMA40_MEM_TO_MEM,
+ .dir = DMA_MEM_TO_MEM,
.src_info.data_width = STEDMA40_BYTE_WIDTH,
.src_info.psize = STEDMA40_PSIZE_PHY_1,
@@ -78,7 +78,7 @@ struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
/* Default configuration for logical memcpy */
struct stedma40_chan_cfg dma40_memcpy_conf_log = {
.mode = STEDMA40_MODE_LOGICAL,
- .dir = STEDMA40_MEM_TO_MEM,
+ .dir = DMA_MEM_TO_MEM,
.src_info.data_width = STEDMA40_BYTE_WIDTH,
.src_info.psize = STEDMA40_PSIZE_LOG_1,
@@ -829,7 +829,7 @@ static void d40_log_lli_to_lcxa(struct d40_chan *chan, struct d40_desc *desc)
* that uses linked lists.
*/
if (!(chan->phy_chan->use_soft_lli &&
- chan->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM))
+ chan->dma_cfg.dir == DMA_DEV_TO_MEM))
curr_lcla = d40_lcla_alloc_one(chan, desc);
first_lcla = curr_lcla;
@@ -1297,12 +1297,12 @@ static void d40_config_set_event(struct d40_chan *d40c,
u32 event = D40_TYPE_TO_EVENT(d40c->dma_cfg.dev_type);
/* Enable event line connected to device (or memcpy) */
- if ((d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM) ||
- (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_PERIPH))
+ if ((d40c->dma_cfg.dir == DMA_DEV_TO_MEM) ||
+ (d40c->dma_cfg.dir == DMA_DEV_TO_DEV))
__d40_config_set_event(d40c, event_type, event,
D40_CHAN_REG_SSLNK);
- if (d40c->dma_cfg.dir != STEDMA40_PERIPH_TO_MEM)
+ if (d40c->dma_cfg.dir != DMA_DEV_TO_MEM)
__d40_config_set_event(d40c, event_type, event,
D40_CHAN_REG_SDLNK);
}
@@ -1760,7 +1760,7 @@ static int d40_validate_conf(struct d40_chan *d40c,
res = -EINVAL;
}
- if (conf->dir == STEDMA40_PERIPH_TO_PERIPH) {
+ if (conf->dir == DMA_DEV_TO_DEV) {
/*
* DMAC HW supports it. Will be added to this driver,
* in case any dma client requires it.
@@ -1891,11 +1891,11 @@ static int d40_allocate_channel(struct d40_chan *d40c, bool *first_phy_user)
phys = d40c->base->phy_res;
num_phy_chans = d40c->base->num_phy_chans;
- if (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM) {
+ if (d40c->dma_cfg.dir == DMA_DEV_TO_MEM) {
log_num = 2 * dev_type;
is_src = true;
- } else if (d40c->dma_cfg.dir == STEDMA40_MEM_TO_PERIPH ||
- d40c->dma_cfg.dir == STEDMA40_MEM_TO_MEM) {
+ } else if (d40c->dma_cfg.dir == DMA_MEM_TO_DEV ||
+ d40c->dma_cfg.dir == DMA_MEM_TO_MEM) {
/* dst event lines are used for logical memcpy */
log_num = 2 * dev_type + 1;
is_src = false;
@@ -1906,7 +1906,7 @@ static int d40_allocate_channel(struct d40_chan *d40c, bool *first_phy_user)
event_line = D40_TYPE_TO_EVENT(dev_type);
if (!is_log) {
- if (d40c->dma_cfg.dir == STEDMA40_MEM_TO_MEM) {
+ if (d40c->dma_cfg.dir == DMA_MEM_TO_MEM) {
/* Find physical half channel */
if (d40c->dma_cfg.use_fixed_channel) {
i = d40c->dma_cfg.phy_channel;
@@ -2054,10 +2054,10 @@ static int d40_free_dma(struct d40_chan *d40c)
return -EINVAL;
}
- if (d40c->dma_cfg.dir == STEDMA40_MEM_TO_PERIPH ||
- d40c->dma_cfg.dir == STEDMA40_MEM_TO_MEM)
+ if (d40c->dma_cfg.dir == DMA_MEM_TO_DEV ||
+ d40c->dma_cfg.dir == DMA_MEM_TO_MEM)
is_src = false;
- else if (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM)
+ else if (d40c->dma_cfg.dir == DMA_DEV_TO_MEM)
is_src = true;
else {
chan_err(d40c, "Unknown direction\n");
@@ -2119,10 +2119,10 @@ static bool d40_is_paused(struct d40_chan *d40c)
goto _exit;
}
- if (d40c->dma_cfg.dir == STEDMA40_MEM_TO_PERIPH ||
- d40c->dma_cfg.dir == STEDMA40_MEM_TO_MEM) {
+ if (d40c->dma_cfg.dir == DMA_MEM_TO_DEV ||
+ d40c->dma_cfg.dir == DMA_MEM_TO_MEM) {
status = readl(chanbase + D40_CHAN_REG_SDLNK);
- } else if (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM) {
+ } else if (d40c->dma_cfg.dir == DMA_DEV_TO_MEM) {
status = readl(chanbase + D40_CHAN_REG_SSLNK);
} else {
chan_err(d40c, "Unknown direction\n");
@@ -2373,12 +2373,12 @@ static void d40_set_prio_realtime(struct d40_chan *d40c)
if (d40c->base->rev < 3)
return;
- if ((d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM) ||
- (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_PERIPH))
+ if ((d40c->dma_cfg.dir == DMA_DEV_TO_MEM) ||
+ (d40c->dma_cfg.dir == DMA_DEV_TO_DEV))
__d40_set_prio_rt(d40c, d40c->dma_cfg.dev_type, true);
- if ((d40c->dma_cfg.dir == STEDMA40_MEM_TO_PERIPH) ||
- (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_PERIPH))
+ if ((d40c->dma_cfg.dir == DMA_MEM_TO_DEV) ||
+ (d40c->dma_cfg.dir == DMA_DEV_TO_DEV))
__d40_set_prio_rt(d40c, d40c->dma_cfg.dev_type, false);
}
@@ -2409,11 +2409,11 @@ static struct dma_chan *d40_xlate(struct of_phandle_args *dma_spec,
switch (D40_DT_FLAGS_DIR(flags)) {
case 0:
- cfg.dir = STEDMA40_MEM_TO_PERIPH;
+ cfg.dir = DMA_MEM_TO_DEV;
cfg.dst_info.big_endian = D40_DT_FLAGS_BIG_ENDIAN(flags);
break;
case 1:
- cfg.dir = STEDMA40_PERIPH_TO_MEM;
+ cfg.dir = DMA_DEV_TO_MEM;
cfg.src_info.big_endian = D40_DT_FLAGS_BIG_ENDIAN(flags);
break;
}
@@ -2459,7 +2459,7 @@ static int d40_alloc_chan_resources(struct dma_chan *chan)
d40_set_prio_realtime(d40c);
if (chan_is_logical(d40c)) {
- if (d40c->dma_cfg.dir == STEDMA40_PERIPH_TO_MEM)
+ if (d40c->dma_cfg.dir == DMA_DEV_TO_MEM)
d40c->lcpa = d40c->base->lcpa_base +
d40c->dma_cfg.dev_type * D40_LCPA_CHAN_SIZE;
else
@@ -2732,12 +2732,12 @@ static int d40_set_runtime_config(struct dma_chan *chan,
if (config->direction == DMA_DEV_TO_MEM) {
config_addr = config->src_addr;
- if (cfg->dir != STEDMA40_PERIPH_TO_MEM)
+ if (cfg->dir != DMA_DEV_TO_MEM)
dev_dbg(d40c->base->dev,
"channel was not configured for peripheral "
"to memory transfer (%d) overriding\n",
cfg->dir);
- cfg->dir = STEDMA40_PERIPH_TO_MEM;
+ cfg->dir = DMA_DEV_TO_MEM;
/* Configure the memory side */
if (dst_addr_width == DMA_SLAVE_BUSWIDTH_UNDEFINED)
@@ -2748,12 +2748,12 @@ static int d40_set_runtime_config(struct dma_chan *chan,
} else if (config->direction == DMA_MEM_TO_DEV) {
config_addr = config->dst_addr;
- if (cfg->dir != STEDMA40_MEM_TO_PERIPH)
+ if (cfg->dir != DMA_MEM_TO_DEV)
dev_dbg(d40c->base->dev,
"channel was not configured for memory "
"to peripheral transfer (%d) overriding\n",
cfg->dir);
- cfg->dir = STEDMA40_MEM_TO_PERIPH;
+ cfg->dir = DMA_MEM_TO_DEV;
/* Configure the memory side */
if (src_addr_width == DMA_SLAVE_BUSWIDTH_UNDEFINED)
diff --git a/drivers/dma/ste_dma40_ll.c b/drivers/dma/ste_dma40_ll.c
index ab5a2a7..121c0ce 100644
--- a/drivers/dma/ste_dma40_ll.c
+++ b/drivers/dma/ste_dma40_ll.c
@@ -18,23 +18,23 @@ void d40_log_cfg(struct stedma40_chan_cfg *cfg,
u32 l1 = 0; /* src */
/* src is mem? -> increase address pos */
- if (cfg->dir == STEDMA40_MEM_TO_PERIPH ||
- cfg->dir == STEDMA40_MEM_TO_MEM)
+ if (cfg->dir == DMA_MEM_TO_DEV ||
+ cfg->dir == DMA_MEM_TO_MEM)
l1 |= 1 << D40_MEM_LCSP1_SCFG_INCR_POS;
/* dst is mem? -> increase address pos */
- if (cfg->dir == STEDMA40_PERIPH_TO_MEM ||
- cfg->dir == STEDMA40_MEM_TO_MEM)
+ if (cfg->dir == DMA_DEV_TO_MEM ||
+ cfg->dir == DMA_MEM_TO_MEM)
l3 |= 1 << D40_MEM_LCSP3_DCFG_INCR_POS;
/* src is hw? -> master port 1 */
- if (cfg->dir == STEDMA40_PERIPH_TO_MEM ||
- cfg->dir == STEDMA40_PERIPH_TO_PERIPH)
+ if (cfg->dir == DMA_DEV_TO_MEM ||
+ cfg->dir == DMA_DEV_TO_DEV)
l1 |= 1 << D40_MEM_LCSP1_SCFG_MST_POS;
/* dst is hw? -> master port 1 */
- if (cfg->dir == STEDMA40_MEM_TO_PERIPH ||
- cfg->dir == STEDMA40_PERIPH_TO_PERIPH)
+ if (cfg->dir == DMA_MEM_TO_DEV ||
+ cfg->dir == DMA_DEV_TO_DEV)
l3 |= 1 << D40_MEM_LCSP3_DCFG_MST_POS;
l3 |= 1 << D40_MEM_LCSP3_DCFG_EIM_POS;
@@ -55,8 +55,8 @@ void d40_phy_cfg(struct stedma40_chan_cfg *cfg, u32 *src_cfg, u32 *dst_cfg)
u32 src = 0;
u32 dst = 0;
- if ((cfg->dir == STEDMA40_PERIPH_TO_MEM) ||
- (cfg->dir == STEDMA40_PERIPH_TO_PERIPH)) {
+ if ((cfg->dir == DMA_DEV_TO_MEM) ||
+ (cfg->dir == DMA_DEV_TO_DEV)) {
/* Set master port to 1 */
src |= 1 << D40_SREG_CFG_MST_POS;
src |= D40_TYPE_TO_EVENT(cfg->dev_type);
@@ -66,8 +66,8 @@ void d40_phy_cfg(struct stedma40_chan_cfg *cfg, u32 *src_cfg, u32 *dst_cfg)
else
src |= 3 << D40_SREG_CFG_PHY_TM_POS;
}
- if ((cfg->dir == STEDMA40_MEM_TO_PERIPH) ||
- (cfg->dir == STEDMA40_PERIPH_TO_PERIPH)) {
+ if ((cfg->dir == DMA_MEM_TO_DEV) ||
+ (cfg->dir == DMA_DEV_TO_DEV)) {
/* Set master port to 1 */
dst |= 1 << D40_SREG_CFG_MST_POS;
dst |= D40_TYPE_TO_EVENT(cfg->dev_type);
--
1.7.10.4
--
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