Staging: sep: We have two different repeats of the same logic
So how about a little helper Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -3803,6 +3803,15 @@ static int sep_set_time(unsigned long *address_ptr,
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return 0;
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return 0;
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}
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}
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static void sep_wait_busy(struct sep_device *dev)
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{
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u32 reg;
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do {
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reg = sep_read_reg(sep_dev, HW_HOST_SEP_BUSY_REG_ADDR);
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} while (reg);
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}
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/*
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/*
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PATCH for configuring the DMA to single burst instead of multi-burst
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PATCH for configuring the DMA to single burst instead of multi-burst
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*/
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*/
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@ -3822,9 +3831,7 @@ static void sep_configure_dma_burst(void)
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DEBUG_PRINT_0(SEP_DEBUG_LEVEL_BASIC,
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DEBUG_PRINT_0(SEP_DEBUG_LEVEL_BASIC,
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"SEP Driver:<-------- sep_configure_dma_burst finished request access to registers from SEP (write reg) \n");
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"SEP Driver:<-------- sep_configure_dma_burst finished request access to registers from SEP (write reg) \n");
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regVal = sep_read_reg(sep_dev, HW_HOST_SEP_BUSY_REG_ADDR);
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sep_wait_busy(sep_dev);
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while (regVal)
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regVal = sep_read_reg(sep_dev, HW_HOST_SEP_BUSY_REG_ADDR);
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DEBUG_PRINT_0(SEP_DEBUG_LEVEL_BASIC,
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DEBUG_PRINT_0(SEP_DEBUG_LEVEL_BASIC,
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"SEP Driver:<-------- sep_configure_dma_burst finished request access to registers from SEP (while(revVal) wait loop) \n");
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"SEP Driver:<-------- sep_configure_dma_burst finished request access to registers from SEP (while(revVal) wait loop) \n");
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@ -3834,9 +3841,7 @@ static void sep_configure_dma_burst(void)
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/* release the sep busy */
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/* release the sep busy */
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sep_write_reg(sep_dev, HW_HOST_HOST_SEP_GPR0_REG_ADDR, 0x0UL);
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sep_write_reg(sep_dev, HW_HOST_HOST_SEP_GPR0_REG_ADDR, 0x0UL);
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regVal = sep_read_reg(sep_dev, HW_HOST_SEP_BUSY_REG_ADDR);
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sep_wait_busy(sep_dev);
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while (regVal != 0x0)
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regVal = sep_read_reg(sep_dev, HW_HOST_SEP_BUSY_REG_ADDR);
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DEBUG_PRINT_0(SEP_DEBUG_LEVEL_BASIC,
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DEBUG_PRINT_0(SEP_DEBUG_LEVEL_BASIC,
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"SEP Driver:<-------- sep_configure_dma_burst done \n");
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"SEP Driver:<-------- sep_configure_dma_burst done \n");
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