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ARM: shmobile: armadillo800eva: enable DMAEngine on FSI

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

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Kuninori Morimoto 2012-06-25 03:37:20 -07:00 committed by Rafael J. Wysocki
parent 0676c05e57
commit dc7dd5841f
2 changed files with 4 additions and 0 deletions
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2
arch/arm/configs/armadillo800eva_defconfig
View file

@ -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

2
arch/arm/mach-shmobile/board-armadillo800eva.c
View file

@ -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,
}
};