Staging: sep: We have two different repeats of the same logic (794f1d78) · Commits · 戴 / test

drivers/staging/sep/sep_main_mod.c

+11 −6

Original line number	Diff line number	Diff line
		@@ -3803,6 +3803,15 @@ static int sep_set_time(unsigned long *address_ptr,
		return 0;
		}

		static void sep_wait_busy(struct sep_device *dev)
		{
		u32 reg;

		do {
		reg = sep_read_reg(sep_dev, HW_HOST_SEP_BUSY_REG_ADDR);
		} while (reg);
		}

		/*
		PATCH for configuring the DMA to single burst instead of multi-burst
		*/
		@@ -3822,9 +3831,7 @@ static void sep_configure_dma_burst(void)
		DEBUG_PRINT_0(SEP_DEBUG_LEVEL_BASIC,
		"SEP Driver:<-------- sep_configure_dma_burst finished request access to registers from SEP (write reg) \n");

		regVal = sep_read_reg(sep_dev, HW_HOST_SEP_BUSY_REG_ADDR);
		while (regVal)
		regVal = sep_read_reg(sep_dev, HW_HOST_SEP_BUSY_REG_ADDR);
		sep_wait_busy(sep_dev);

		DEBUG_PRINT_0(SEP_DEBUG_LEVEL_BASIC,
		"SEP Driver:<-------- sep_configure_dma_burst finished request access to registers from SEP (while(revVal) wait loop) \n");
		@@ -3834,9 +3841,7 @@ static void sep_configure_dma_burst(void)

		/* release the sep busy */
		sep_write_reg(sep_dev, HW_HOST_HOST_SEP_GPR0_REG_ADDR, 0x0UL);
		regVal = sep_read_reg(sep_dev, HW_HOST_SEP_BUSY_REG_ADDR);
		while (regVal != 0x0)
		regVal = sep_read_reg(sep_dev, HW_HOST_SEP_BUSY_REG_ADDR);
		sep_wait_busy(sep_dev);

		DEBUG_PRINT_0(SEP_DEBUG_LEVEL_BASIC,
		"SEP Driver:<-------- sep_configure_dma_burst done \n");