On 5/28/19 9:35 PM, Heiner Kallweit wrote: > On 28.05.2019 21:31, Marek Vasut wrote: >> On 5/28/19 9:28 PM, Heiner Kallweit wrote: >>> On 28.05.2019 21:23, Marek Vasut wrote: >>>> Add support for handling the TJA11xx PHY IRQ signal. >>>> >>>> Signed-off-by: Marek Vasut <ma...@denx.de> >>>> Cc: Andrew Lunn <and...@lunn.ch> >>>> Cc: Florian Fainelli <f.faine...@gmail.com> >>>> Cc: Guenter Roeck <li...@roeck-us.net> >>>> Cc: Heiner Kallweit <hkallwe...@gmail.com> >>>> Cc: Jean Delvare <jdelv...@suse.com> >>>> Cc: linux-hwmon@vger.kernel.org >>>> --- >>>> V2: - Define each bit of the MII_INTEN register and a mask >>>> - Drop IRQ acking from tja11xx_config_intr() >>>> --- >>>> drivers/net/phy/nxp-tja11xx.c | 48 +++++++++++++++++++++++++++++++++++ >>>> 1 file changed, 48 insertions(+) >>>> >>>> diff --git a/drivers/net/phy/nxp-tja11xx.c b/drivers/net/phy/nxp-tja11xx.c >>>> index b705d0bd798b..b41af609607d 100644 >>>> --- a/drivers/net/phy/nxp-tja11xx.c >>>> +++ b/drivers/net/phy/nxp-tja11xx.c >>>> @@ -40,6 +40,29 @@ >>>> #define MII_INTSRC_TEMP_ERR BIT(1) >>>> #define MII_INTSRC_UV_ERR BIT(3) >>>> >>>> +#define MII_INTEN 22 >>>> +#define MII_INTEN_PWON_EN BIT(15) >>>> +#define MII_INTEN_WAKEUP_EN BIT(14) >>>> +#define MII_INTEN_PHY_INIT_FAIL_EN BIT(11) >>>> +#define MII_INTEN_LINK_STATUS_FAIL_EN BIT(10) >>>> +#define MII_INTEN_LINK_STATUS_UP_EN BIT(9) >>>> +#define MII_INTEN_SYM_ERR_EN BIT(8) >>>> +#define MII_INTEN_TRAINING_FAILED_EN BIT(7) >>>> +#define MII_INTEN_SQI_WARNING_EN BIT(6) >>>> +#define MII_INTEN_CONTROL_ERR_EN BIT(5) >>>> +#define MII_INTEN_UV_ERR_EN BIT(3) >>>> +#define MII_INTEN_UV_RECOVERY_EN BIT(2) >>>> +#define MII_INTEN_TEMP_ERR_EN BIT(1) >>>> +#define MII_INTEN_SLEEP_ABORT_EN BIT(0) >>>> +#define MII_INTEN_MASK >>>> \ >>>> + (MII_INTEN_PWON_EN | MII_INTEN_WAKEUP_EN | \ >>>> + MII_INTEN_PHY_INIT_FAIL_EN | MII_INTEN_LINK_STATUS_FAIL_EN | \ >>>> + MII_INTEN_LINK_STATUS_UP_EN | MII_INTEN_SYM_ERR_EN | \ >>>> + MII_INTEN_TRAINING_FAILED_EN | MII_INTEN_SQI_WARNING_EN | \ >>>> + MII_INTEN_CONTROL_ERR_EN | MII_INTEN_UV_ERR_EN | \ >>>> + MII_INTEN_UV_RECOVERY_EN | MII_INTEN_TEMP_ERR_EN | \ >>>> + MII_INTEN_SLEEP_ABORT_EN) >>> >>> Why do you enable all these interrupt sources? As I said, phylib needs >>> link change info only. >> >> Because I need them to reliably detect that the link state changed. >> > > Hmm, e.g. this one MII_INTEN_TEMP_ERR_EN doesn't seem to be related > to a link status change. Name sounds like it just reports exceeding > a temperature threshold.
It's PHY over-temperature. Whether it tears the link down or not is not clear. -- Best regards, Marek Vasut
