summaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/microchip
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:21:42 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:21:42 +0000
commit9d537f04b26ad3ac10399b4885f6dcd9112f7973 (patch)
tree734b519d1bca2065d28c33bce394def4d50c4da5 /drivers/net/ethernet/microchip
parentReleasing progress-linux version 4.19.289-2progress5u1. (diff)
downloadlinux-9d537f04b26ad3ac10399b4885f6dcd9112f7973.tar.xz
linux-9d537f04b26ad3ac10399b4885f6dcd9112f7973.zip
Merging upstream version 4.19.304.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/microchip')
-rw-r--r--drivers/net/ethernet/microchip/lan743x_main.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
index e734bc5e3..112d374e7 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -80,6 +80,18 @@ static int lan743x_csr_light_reset(struct lan743x_adapter *adapter)
!(data & HW_CFG_LRST_), 100000, 10000000);
}
+static int lan743x_csr_wait_for_bit_atomic(struct lan743x_adapter *adapter,
+ int offset, u32 bit_mask,
+ int target_value, int udelay_min,
+ int udelay_max, int count)
+{
+ u32 data;
+
+ return readx_poll_timeout_atomic(LAN743X_CSR_READ_OP, offset, data,
+ target_value == !!(data & bit_mask),
+ udelay_max, udelay_min * count);
+}
+
static int lan743x_csr_wait_for_bit(struct lan743x_adapter *adapter,
int offset, u32 bit_mask,
int target_value, int usleep_min,
@@ -675,8 +687,8 @@ static int lan743x_dp_write(struct lan743x_adapter *adapter,
u32 dp_sel;
int i;
- if (lan743x_csr_wait_for_bit(adapter, DP_SEL, DP_SEL_DPRDY_,
- 1, 40, 100, 100))
+ if (lan743x_csr_wait_for_bit_atomic(adapter, DP_SEL, DP_SEL_DPRDY_,
+ 1, 40, 100, 100))
return -EIO;
dp_sel = lan743x_csr_read(adapter, DP_SEL);
dp_sel &= ~DP_SEL_MASK_;
@@ -687,8 +699,9 @@ static int lan743x_dp_write(struct lan743x_adapter *adapter,
lan743x_csr_write(adapter, DP_ADDR, addr + i);
lan743x_csr_write(adapter, DP_DATA_0, buf[i]);
lan743x_csr_write(adapter, DP_CMD, DP_CMD_WRITE_);
- if (lan743x_csr_wait_for_bit(adapter, DP_SEL, DP_SEL_DPRDY_,
- 1, 40, 100, 100))
+ if (lan743x_csr_wait_for_bit_atomic(adapter, DP_SEL,
+ DP_SEL_DPRDY_,
+ 1, 40, 100, 100))
return -EIO;
}