net: stmmac: use readl_poll_timeout() function in dwmac4_dma_reset() (45d0da49) · Commits · 戴 / test

The dwmac4_dma_reset() function use an open coded of readl_poll_timeout(). Replace the open coded handling with the proper function. Signed-off-by:

drivers/net/ethernet/stmicro/stmmac/dwmac4_lib.c

+4 −11

Original line number	Diff line number	Diff line
		@@ -6,6 +6,7 @@
		*/

		#include <linux/io.h>
		#include <linux/iopoll.h>
		#include <linux/delay.h>
		#include "common.h"
		#include "dwmac4_dma.h"
		@@ -14,22 +15,14 @@
		int dwmac4_dma_reset(void __iomem *ioaddr)
		{
		u32 value = readl(ioaddr + DMA_BUS_MODE);
		int limit;

		/* DMA SW reset */
		value \|= DMA_BUS_MODE_SFT_RESET;
		writel(value, ioaddr + DMA_BUS_MODE);
		limit = 10;
		while (limit--) {
		if (!(readl(ioaddr + DMA_BUS_MODE) & DMA_BUS_MODE_SFT_RESET))
		break;
		mdelay(10);
		}

		if (limit < 0)
		return -EBUSY;

		return 0;
		return readl_poll_timeout(ioaddr + DMA_BUS_MODE, value,
		!(value & DMA_BUS_MODE_SFT_RESET),
		10000, 100000);
		}

		void dwmac4_set_rx_tail_ptr(void __iomem *ioaddr, u32 tail_ptr, u32 chan)