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realtek: Fix reset register access

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The reset register on RTL93xx not merely have bits to execute
a reset of a hardware component, but also configuration bits for
reset procedures. Keep them during executing a reset.

Signed-off-by: Birger Koblitz <git@birger-koblitz.de>
Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
[backport to 5.10 kernel]
Signed-off-by: Sander Vanheule <sander@svanheule.net>
This commit is contained in:
Birger Koblitz 2022-05-12 20:40:45 +02:00 committed by Sander Vanheule
parent 5863363493
commit e143e27c8c
2 changed files with 2 additions and 2 deletions
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2
target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c
View File

@ -682,7 +682,7 @@ static void rtl838x_hw_reset(struct rtl838x_eth_priv *priv)
else
reset_mask = 0xc;
sw_w32(reset_mask, priv->r->rst_glb_ctrl);
sw_w32_mask(0, reset_mask, priv->r->rst_glb_ctrl);
do { /* Wait for reset of NIC and Queues done */
udelay(20);

2
target/linux/realtek/files-5.15/drivers/net/ethernet/rtl838x_eth.c
View File

@ -675,7 +675,7 @@ static void rtl838x_hw_reset(struct rtl838x_eth_priv *priv)
else
reset_mask = 0xc;
sw_w32(reset_mask, priv->r->rst_glb_ctrl);
sw_w32_mask(0, reset_mask, priv->r->rst_glb_ctrl);
do { /* Wait for reset of NIC and Queues done */
udelay(20);