From mboxrd@z Thu Jan 1 00:00:00 1970 From: viresh.kumar@st.com (Viresh Kumar) Date: Thu, 3 Mar 2011 15:47:26 +0530 Subject: [PATCH V2 13/13] avr32: at32ap700x: Specify DMA Flow Controller, Src and Dst msize In-Reply-To: References: Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Now that the dw_dmac DMA driver supports configurable Flow Controller, source and destination burst or msize, we need to specify which ones to use. Msize or burst size was previously hardcoded to 1, Flow controller was DMA for both M2P & P2M transfers. Signed-off-by: Viresh Kumar --- arch/avr32/mach-at32ap/at32ap700x.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c index 2747cde..b4aaebd 100644 --- a/arch/avr32/mach-at32ap/at32ap700x.c +++ b/arch/avr32/mach-at32ap/at32ap700x.c @@ -2050,6 +2050,9 @@ at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data, rx_dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL); rx_dws->src_master = 0; rx_dws->dst_master = 1; + rx_dws->src_msize = DW_DMA_MSIZE_1; + rx_dws->dst_msize = DW_DMA_MSIZE_1; + rx_dws->fc = DW_DMA_FC_D_P2M; } /* Check if DMA slave interface for playback should be configured. */ @@ -2060,6 +2063,9 @@ at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data, tx_dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL); rx_dws->src_master = 0; rx_dws->dst_master = 1; + tx_dws->src_msize = DW_DMA_MSIZE_1; + tx_dws->dst_msize = DW_DMA_MSIZE_1; + tx_dws->fc = DW_DMA_FC_D_M2P; } if (platform_device_add_data(pdev, data, @@ -2134,6 +2140,9 @@ at32_add_device_abdac(unsigned int id, struct atmel_abdac_pdata *data) dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL); dws->src_master = 0; dws->dst_master = 1; + dws->src_msize = DW_DMA_MSIZE_1; + dws->dst_msize = DW_DMA_MSIZE_1; + dws->fc = DW_DMA_FC_D_M2P; if (platform_device_add_data(pdev, data, sizeof(struct atmel_abdac_pdata))) -- 1.7.2.2