* [PATCH 1/2] ARM: DTS: am335x-evm: Enable the McASP FIFO for audio
@ 2014-07-03 9:51 Peter Ujfalusi
2014-07-03 9:51 ` [PATCH 2/2] ARM: DTS: am335x-evmsk: " Peter Ujfalusi
0 siblings, 1 reply; 3+ messages in thread
From: Peter Ujfalusi @ 2014-07-03 9:51 UTC (permalink / raw)
To: bcousson-rdvid1DuHRBWk0Htik3J/w, tony-4v6yS6AI5VpBDgjK7y7TUQ
Cc: linux-omap-u79uwXL29TY76Z2rM5mHXA,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
devicetree-u79uwXL29TY76Z2rM5mHXA
The use of FIFO in McASP can reduce the risk of audio under/overrun and
lowers the load on the memories since the DMA will operate in bursts.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi-l0cyMroinI0@public.gmane.org>
---
arch/arm/boot/dts/am335x-evm.dts | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
index ecb267767cf5..e2156a583de7 100644
--- a/arch/arm/boot/dts/am335x-evm.dts
+++ b/arch/arm/boot/dts/am335x-evm.dts
@@ -529,8 +529,8 @@
serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */
0 0 1 2
>;
- tx-num-evt = <1>;
- rx-num-evt = <1>;
+ tx-num-evt = <32>;
+ rx-num-evt = <32>;
};
&tps {
--
2.0.0
--
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^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 2/2] ARM: DTS: am335x-evmsk: Enable the McASP FIFO for audio
2014-07-03 9:51 [PATCH 1/2] ARM: DTS: am335x-evm: Enable the McASP FIFO for audio Peter Ujfalusi
@ 2014-07-03 9:51 ` Peter Ujfalusi
2014-07-07 11:35 ` Tony Lindgren
0 siblings, 1 reply; 3+ messages in thread
From: Peter Ujfalusi @ 2014-07-03 9:51 UTC (permalink / raw)
To: bcousson, tony; +Cc: linux-omap, linux-arm-kernel, devicetree
The use of FIFO in McASP can reduce the risk of audio under/overrun and
lowers the load on the memories since the DMA will operate in bursts.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
arch/arm/boot/dts/am335x-evmsk.dts | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts
index ab9a34ce524c..80a3b215e7d6 100644
--- a/arch/arm/boot/dts/am335x-evmsk.dts
+++ b/arch/arm/boot/dts/am335x-evmsk.dts
@@ -560,8 +560,8 @@
serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */
0 0 1 2
>;
- tx-num-evt = <1>;
- rx-num-evt = <1>;
+ tx-num-evt = <32>;
+ rx-num-evt = <32>;
};
&tscadc {
--
2.0.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH 2/2] ARM: DTS: am335x-evmsk: Enable the McASP FIFO for audio
2014-07-03 9:51 ` [PATCH 2/2] ARM: DTS: am335x-evmsk: " Peter Ujfalusi
@ 2014-07-07 11:35 ` Tony Lindgren
0 siblings, 0 replies; 3+ messages in thread
From: Tony Lindgren @ 2014-07-07 11:35 UTC (permalink / raw)
To: Peter Ujfalusi; +Cc: bcousson, linux-omap, linux-arm-kernel, devicetree
* Peter Ujfalusi <peter.ujfalusi@ti.com> [140703 02:53]:
> The use of FIFO in McASP can reduce the risk of audio under/overrun and
> lowers the load on the memories since the DMA will operate in bursts.
Applying both into omap-for-v3.16/fixes thanks.
Tony
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2014-07-07 11:35 UTC | newest]
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2014-07-03 9:51 [PATCH 1/2] ARM: DTS: am335x-evm: Enable the McASP FIFO for audio Peter Ujfalusi
2014-07-03 9:51 ` [PATCH 2/2] ARM: DTS: am335x-evmsk: " Peter Ujfalusi
2014-07-07 11:35 ` Tony Lindgren
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