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author | David S. Miller <davem@davemloft.net> | 2019-11-02 13:12:51 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2019-11-02 13:54:56 -0700 |
commit | d31e95585ca697fb31440c6fe30113adc85ecfbd (patch) | |
tree | 4936ea0aaa6b2aeeee4db51e3c60d938c9b9ed96 /drivers/dma/xilinx/xilinx_dma.c | |
parent | c23fcbbc6aa4e0bb615e8a7f23e1f32aec235a1c (diff) | |
parent | 1204c70d9dcba31164f78ad5d8c88c42335d51f8 (diff) | |
download | kernel_replicant_linux-d31e95585ca697fb31440c6fe30113adc85ecfbd.tar.gz kernel_replicant_linux-d31e95585ca697fb31440c6fe30113adc85ecfbd.tar.bz2 kernel_replicant_linux-d31e95585ca697fb31440c6fe30113adc85ecfbd.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
The only slightly tricky merge conflict was the netdevsim because the
mutex locking fix overlapped a lot of driver reload reorganization.
The rest were (relatively) trivial in nature.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/dma/xilinx/xilinx_dma.c')
-rw-r--r-- | drivers/dma/xilinx/xilinx_dma.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index e7dc3c4dc8e0..5d56f1e4d332 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -68,6 +68,9 @@ #define XILINX_DMA_DMACR_CIRC_EN BIT(1) #define XILINX_DMA_DMACR_RUNSTOP BIT(0) #define XILINX_DMA_DMACR_FSYNCSRC_MASK GENMASK(6, 5) +#define XILINX_DMA_DMACR_DELAY_MASK GENMASK(31, 24) +#define XILINX_DMA_DMACR_FRAME_COUNT_MASK GENMASK(23, 16) +#define XILINX_DMA_DMACR_MASTER_MASK GENMASK(11, 8) #define XILINX_DMA_REG_DMASR 0x0004 #define XILINX_DMA_DMASR_EOL_LATE_ERR BIT(15) @@ -1354,7 +1357,8 @@ static void xilinx_dma_start_transfer(struct xilinx_dma_chan *chan) node); hw = &segment->hw; - xilinx_write(chan, XILINX_DMA_REG_SRCDSTADDR, hw->buf_addr); + xilinx_write(chan, XILINX_DMA_REG_SRCDSTADDR, + xilinx_prep_dma_addr_t(hw->buf_addr)); /* Start the transfer */ dma_ctrl_write(chan, XILINX_DMA_REG_BTT, @@ -2117,8 +2121,10 @@ int xilinx_vdma_channel_set_config(struct dma_chan *dchan, chan->config.gen_lock = cfg->gen_lock; chan->config.master = cfg->master; + dmacr &= ~XILINX_DMA_DMACR_GENLOCK_EN; if (cfg->gen_lock && chan->genlock) { dmacr |= XILINX_DMA_DMACR_GENLOCK_EN; + dmacr &= ~XILINX_DMA_DMACR_MASTER_MASK; dmacr |= cfg->master << XILINX_DMA_DMACR_MASTER_SHIFT; } @@ -2134,11 +2140,13 @@ int xilinx_vdma_channel_set_config(struct dma_chan *dchan, chan->config.delay = cfg->delay; if (cfg->coalesc <= XILINX_DMA_DMACR_FRAME_COUNT_MAX) { + dmacr &= ~XILINX_DMA_DMACR_FRAME_COUNT_MASK; dmacr |= cfg->coalesc << XILINX_DMA_DMACR_FRAME_COUNT_SHIFT; chan->config.coalesc = cfg->coalesc; } if (cfg->delay <= XILINX_DMA_DMACR_DELAY_MAX) { + dmacr &= ~XILINX_DMA_DMACR_DELAY_MASK; dmacr |= cfg->delay << XILINX_DMA_DMACR_DELAY_SHIFT; chan->config.delay = cfg->delay; } |