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| author | Heiner Kallweit <hkallweit1@gmail.com> | 2021-01-08 12:58:54 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-01-10 03:07:52 +0100 |
| commit | a46604d7ce491cb3f859c02d0e21b6d937121793 (patch) | |
| tree | c346a699019d37883291998be7213438be43d125 /drivers/net/ethernet/realtek | |
| parent | r8169: replace BUG_ON with WARN in _rtl_eri_write (diff) | |
| download | linux-a46604d7ce491cb3f859c02d0e21b6d937121793.tar.xz linux-a46604d7ce491cb3f859c02d0e21b6d937121793.zip | |
r8169: improve rtl_ocp_reg_failure
Use WARN_ONCE here to get a call trace in case of a problem.
This facilitates finding the offending code part.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/realtek')
| -rw-r--r-- | drivers/net/ethernet/realtek/r8169_main.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 317b34723ba0..755767b7e7e7 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -812,14 +812,9 @@ static void rtl_eri_clear_bits(struct rtl8169_private *tp, int addr, u32 m) rtl_w0w1_eri(tp, addr, 0, m); } -static bool rtl_ocp_reg_failure(struct rtl8169_private *tp, u32 reg) +static bool rtl_ocp_reg_failure(u32 reg) { - if (reg & 0xffff0001) { - if (net_ratelimit()) - netdev_err(tp->dev, "Invalid ocp reg %x!\n", reg); - return true; - } - return false; + return WARN_ONCE(reg & 0xffff0001, "Invalid ocp reg %x!\n", reg); } DECLARE_RTL_COND(rtl_ocp_gphy_cond) @@ -829,7 +824,7 @@ DECLARE_RTL_COND(rtl_ocp_gphy_cond) static void r8168_phy_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data) { - if (rtl_ocp_reg_failure(tp, reg)) + if (rtl_ocp_reg_failure(reg)) return; RTL_W32(tp, GPHY_OCP, OCPAR_FLAG | (reg << 15) | data); @@ -839,7 +834,7 @@ static void r8168_phy_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data) static int r8168_phy_ocp_read(struct rtl8169_private *tp, u32 reg) { - if (rtl_ocp_reg_failure(tp, reg)) + if (rtl_ocp_reg_failure(reg)) return 0; RTL_W32(tp, GPHY_OCP, reg << 15); @@ -850,7 +845,7 @@ static int r8168_phy_ocp_read(struct rtl8169_private *tp, u32 reg) static void r8168_mac_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data) { - if (rtl_ocp_reg_failure(tp, reg)) + if (rtl_ocp_reg_failure(reg)) return; RTL_W32(tp, OCPDR, OCPAR_FLAG | (reg << 15) | data); @@ -858,7 +853,7 @@ static void r8168_mac_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data) static u16 r8168_mac_ocp_read(struct rtl8169_private *tp, u32 reg) { - if (rtl_ocp_reg_failure(tp, reg)) + if (rtl_ocp_reg_failure(reg)) return 0; RTL_W32(tp, OCPDR, reg << 15); |