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authorDouglas Anderson <dianders@chromium.org>2023-11-30 00:25:21 +0300
committerDavid S. Miller <davem@davemloft.net>2023-12-04 15:22:01 +0300
commit32a574c7e2685aa8138754d4d755f9246cc6bd48 (patch)
tree6ba739c2df2e17b89d5abb46a96aa10c0a73b945 /drivers
parente62adaeecdc6a1e8ae86e7f3f9f8223a3ede94f5 (diff)
downloadlinux-32a574c7e2685aa8138754d4d755f9246cc6bd48.tar.xz
r8152: Add RTL8152_INACCESSIBLE checks to more loops
Previous commits added checks for RTL8152_INACCESSIBLE in the loops in the driver. There are still a few more that keep tripping the driver up in error cases and make things take longer than they should. Add those in. All the loops that are part of this commit existed in some form or another since the r8152 driver was first introduced, though RTL8152_INACCESSIBLE was known as RTL8152_UNPLUG before commit 715f67f33af4 ("r8152: Rename RTL8152_UNPLUG to RTL8152_INACCESSIBLE") Fixes: ac718b69301c ("net/usb: new driver for RTL8152") Reviewed-by: Grant Grundler <grundler@chromium.org> Signed-off-by: Douglas Anderson <dianders@chromium.org> Acked-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/usb/r8152.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index d6edf0254599..e9955701f455 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -3000,6 +3000,8 @@ static void rtl8152_nic_reset(struct r8152 *tp)
ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, CR_RST);
for (i = 0; i < 1000; i++) {
+ if (test_bit(RTL8152_INACCESSIBLE, &tp->flags))
+ break;
if (!(ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR) & CR_RST))
break;
usleep_range(100, 400);
@@ -3329,6 +3331,8 @@ static void rtl_disable(struct r8152 *tp)
rxdy_gated_en(tp, true);
for (i = 0; i < 1000; i++) {
+ if (test_bit(RTL8152_INACCESSIBLE, &tp->flags))
+ break;
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
if ((ocp_data & FIFO_EMPTY) == FIFO_EMPTY)
break;
@@ -3336,6 +3340,8 @@ static void rtl_disable(struct r8152 *tp)
}
for (i = 0; i < 1000; i++) {
+ if (test_bit(RTL8152_INACCESSIBLE, &tp->flags))
+ break;
if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0) & TCR0_TX_EMPTY)
break;
usleep_range(1000, 2000);
@@ -5499,6 +5505,8 @@ static void wait_oob_link_list_ready(struct r8152 *tp)
int i;
for (i = 0; i < 1000; i++) {
+ if (test_bit(RTL8152_INACCESSIBLE, &tp->flags))
+ break;
ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
if (ocp_data & LINK_LIST_READY)
break;