forked from luck/tmp_suning_uos_patched
dmaengine: zxdma: Fix force stop bug
DMA will not stop when clearing enable bit till all transaction is done. The bug is exposed in audio playback because ring DMA chain never stop. Force hardware to stop with setting FORCE bit. Signed-off-by: Jun Nie <jun.nie@linaro.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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@ -144,6 +144,7 @@ static void zx_dma_terminate_chan(struct zx_dma_phy *phy, struct zx_dma_dev *d)
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val = readl_relaxed(phy->base + REG_ZX_CTRL);
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val &= ~ZX_CH_ENABLE;
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val |= ZX_FORCE_CLOSE;
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writel_relaxed(val, phy->base + REG_ZX_CTRL);
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val = 0x1 << phy->idx;
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