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Commit dc7dd584 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Rafael J. Wysocki
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ARM: shmobile: armadillo800eva: enable DMAEngine on FSI 



It is possible to reduce CPU load if FSI playback used DMAEngine.
This patch enabled it.

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: default avatarMagnus Damm <damm@opensource.se>
Signed-off-by: default avatarRafael J. Wysocki <rjw@sisk.pl>
parent 0676c05e

arch/arm/configs/armadillo800eva_defconfig

+2 −0
Original line number Diff line number Diff line
@@ -119,6 +119,8 @@ CONFIG_USB_ETH=m 
CONFIG_MMC=y

CONFIG_MMC_SDHI=y

CONFIG_MMC_SH_MMCIF=y

CONFIG_DMADEVICES=y

CONFIG_SH_DMAE=y

CONFIG_UIO=y

CONFIG_UIO_PDRV_GENIRQ=y

# CONFIG_DNOTIFY is not set

arch/arm/mach-shmobile/board-armadillo800eva.c

+2 −0
Original line number Diff line number Diff line
@@ -768,12 +768,14 @@ static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable) 
static struct sh_fsi_platform_info fsi_info = {

	/* FSI-WM8978 */

	.port_a = {

		.tx_id = SHDMA_SLAVE_FSIA_TX,

	},

	/* FSI-HDMI */

	.port_b = {

		.flags		= SH_FSI_FMT_SPDIF |

				  SH_FSI_ENABLE_STREAM_MODE,

		.set_rate	= fsi_hdmi_set_rate,

		.tx_id		= SHDMA_SLAVE_FSIB_TX,

	}

};