[PATCH 1/7] dmaengine: ste_dma40: reset priority bit for logical channels
From: Narayanan G
This patch sets the SSCFG/SDCFG bit[7] PRI only for physical channel
requests with high priority. For logical channels, this bit will be
zero.
Signed-off-by: Narayanan G
Reviewed-by: Rabin Vincent
Acked-by: Linus Walleij
Signed-off-by: Fabio Baltieri
---
drivers/dma/ste_dma40_ll.c | 11 ++-
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/dma/ste_dma40_ll.c b/drivers/dma/ste_dma40_ll.c
index cad9e1d..536e848 100644
--- a/drivers/dma/ste_dma40_ll.c
+++ b/drivers/dma/ste_dma40_ll.c
@@ -102,17 +102,18 @@ void d40_phy_cfg(struct stedma40_chan_cfg *cfg,
src |= cfg->src_info.data_width << D40_SREG_CFG_ESIZE_POS;
dst |= cfg->dst_info.data_width << D40_SREG_CFG_ESIZE_POS;
+ /* Set the priority bit to high for the physical channel */
+ if (cfg->high_priority) {
+ src |= 1 << D40_SREG_CFG_PRI_POS;
+ dst |= 1 << D40_SREG_CFG_PRI_POS;
+ }
+
} else {
/* Logical channel */
dst |= 1 << D40_SREG_CFG_LOG_GIM_POS;
src |= 1 << D40_SREG_CFG_LOG_GIM_POS;
}
- if (cfg->high_priority) {
- src |= 1 << D40_SREG_CFG_PRI_POS;
- dst |= 1 << D40_SREG_CFG_PRI_POS;
- }
-
if (cfg->src_info.big_endian)
src |= 1 << D40_SREG_CFG_LBE_POS;
if (cfg->dst_info.big_endian)
--
1.7.12.1
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[PATCH 1/7] dmaengine: ste_dma40: reset priority bit for logical channels
From: Narayanan G narayanan.gopalakrish...@stericsson.com
This patch sets the SSCFG/SDCFG bit[7] PRI only for physical channel
requests with high priority. For logical channels, this bit will be
zero.
Signed-off-by: Narayanan G narayanan.gopalakrish...@stericsson.com
Reviewed-by: Rabin Vincent rabin.vinc...@stericsson.com
Acked-by: Linus Walleij linus.wall...@linaro.org
Signed-off-by: Fabio Baltieri fabio.balti...@linaro.org
---
drivers/dma/ste_dma40_ll.c | 11 ++-
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/dma/ste_dma40_ll.c b/drivers/dma/ste_dma40_ll.c
index cad9e1d..536e848 100644
--- a/drivers/dma/ste_dma40_ll.c
+++ b/drivers/dma/ste_dma40_ll.c
@@ -102,17 +102,18 @@ void d40_phy_cfg(struct stedma40_chan_cfg *cfg,
src |= cfg-src_info.data_width D40_SREG_CFG_ESIZE_POS;
dst |= cfg-dst_info.data_width D40_SREG_CFG_ESIZE_POS;
+ /* Set the priority bit to high for the physical channel */
+ if (cfg-high_priority) {
+ src |= 1 D40_SREG_CFG_PRI_POS;
+ dst |= 1 D40_SREG_CFG_PRI_POS;
+ }
+
} else {
/* Logical channel */
dst |= 1 D40_SREG_CFG_LOG_GIM_POS;
src |= 1 D40_SREG_CFG_LOG_GIM_POS;
}
- if (cfg-high_priority) {
- src |= 1 D40_SREG_CFG_PRI_POS;
- dst |= 1 D40_SREG_CFG_PRI_POS;
- }
-
if (cfg-src_info.big_endian)
src |= 1 D40_SREG_CFG_LBE_POS;
if (cfg-dst_info.big_endian)
--
1.7.12.1
--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
