r8152: use usleep_range

Replace mdelay with usleep_range to avoid busy loop.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index f95e678..2130c75 100644 (file)
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -2051,13 +2051,13 @@ static void rtl8152_disable(struct r8152 *tp)
                ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
                if ((ocp_data & FIFO_EMPTY) == FIFO_EMPTY)
                        break;
-               mdelay(1);
+               usleep_range(1000, 2000);
        }
 
        for (i = 0; i < 1000; i++) {
                if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0) & TCR0_TX_EMPTY)
                        break;
-               mdelay(1);
+               usleep_range(1000, 2000);
        }
 
        for (i = 0; i < RTL8152_MAX_RX; i++)
@@ -2202,7 +2202,7 @@ static void rtl_clear_bp(struct r8152 *tp)
        ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_2, 0);
        ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_4, 0);
        ocp_write_dword(tp, MCU_TYPE_USB, USB_BP_6, 0);
-       mdelay(3);
+       usleep_range(3000, 6000);
        ocp_write_word(tp, MCU_TYPE_PLA, PLA_BP_BA, 0);
        ocp_write_word(tp, MCU_TYPE_USB, USB_BP_BA, 0);
 }
@@ -2288,7 +2288,7 @@ static void r8152b_exit_oob(struct r8152 *tp)
                ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
                if (ocp_data & LINK_LIST_READY)
                        break;
-               mdelay(1);
+               usleep_range(1000, 2000);
        }
 
        ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
@@ -2299,7 +2299,7 @@ static void r8152b_exit_oob(struct r8152 *tp)
                ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
                if (ocp_data & LINK_LIST_READY)
                        break;
-               mdelay(1);
+               usleep_range(1000, 2000);
        }
 
        rtl8152_nic_reset(tp);
@@ -2360,7 +2360,7 @@ static void r8152b_enter_oob(struct r8152 *tp)
                ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
                if (ocp_data & LINK_LIST_READY)
                        break;
-               mdelay(1);
+               usleep_range(1000, 2000);
        }
 
        ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
@@ -2371,7 +2371,7 @@ static void r8152b_enter_oob(struct r8152 *tp)
                ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
                if (ocp_data & LINK_LIST_READY)
                        break;
-               mdelay(1);
+               usleep_range(1000, 2000);
        }
 
        ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);
@@ -2518,7 +2518,7 @@ static void r8153_first_init(struct r8152 *tp)
                ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
                if (ocp_data & LINK_LIST_READY)
                        break;
-               mdelay(1);
+               usleep_range(1000, 2000);
        }
 
        ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
@@ -2529,7 +2529,7 @@ static void r8153_first_init(struct r8152 *tp)
                ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
                if (ocp_data & LINK_LIST_READY)
                        break;
-               mdelay(1);
+               usleep_range(1000, 2000);
        }
 
        ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR);
@@ -2573,7 +2573,7 @@ static void r8153_enter_oob(struct r8152 *tp)
                ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
                if (ocp_data & LINK_LIST_READY)
                        break;
-               mdelay(1);
+               usleep_range(1000, 2000);
        }
 
        ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
@@ -2584,7 +2584,7 @@ static void r8153_enter_oob(struct r8152 *tp)
                ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
                if (ocp_data & LINK_LIST_READY)
                        break;
-               mdelay(1);
+               usleep_range(1000, 2000);
        }
 
        ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8153_RMS);