On Tue, 13 Apr 2021 16:25:33 +0200 Andrew Lunn <and...@lunn.ch> wrote:
> On Tue, Apr 13, 2021 at 09:55:35AM +0200, Marek Behún wrote: > > Register 27_6.15:14 has the following description in 88E6393X > > documentation: > > Temperature Sensor Enable > > 0x0 - Sample every 1s > > 0x1 - Sense rate decided by bits 10:8 of this register > > 0x2 - Use 26_6.5 (One shot Temperature Sample) to enable > > 0x3 - Disable > > > > This is compatible with how the 6390 code uses this register currently, > > but the 6390 code handles it as two 1-bit registers (somewhat), instead > > of one register with 4 possible values. > > > > Rename this register and define all 4 values according to 6393X > > documentation. > > > > Signed-off-by: Marek Behún <ka...@kernel.org> > > --- > > drivers/net/phy/marvell.c | 19 +++++++++---------- > > 1 file changed, 9 insertions(+), 10 deletions(-) > > > > diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c > > index 63788d5c13eb..bae2a225b550 100644 > > --- a/drivers/net/phy/marvell.c > > +++ b/drivers/net/phy/marvell.c > > @@ -113,11 +113,11 @@ > > #define MII_88E1540_COPPER_CTRL3_FAST_LINK_DOWN BIT(9) > > > > #define MII_88E6390_MISC_TEST 0x1b > > -#define MII_88E6390_MISC_TEST_SAMPLE_1S 0 > > -#define MII_88E6390_MISC_TEST_SAMPLE_10MS BIT(14) > > -#define MII_88E6390_MISC_TEST_SAMPLE_DISABLE BIT(15) > > -#define MII_88E6390_MISC_TEST_SAMPLE_ENABLE 0 > > -#define MII_88E6390_MISC_TEST_SAMPLE_MASK (0x3 << 14) > > +#define MII_88E6390_MISC_TEST_TEMP_SENSOR_ENABLE_SAMPLE_1S (0x0 << 14) > > +#define MII_88E6390_MISC_TEST_TEMP_SENSOR_ENABLE (0x1 << 14) > > +#define MII_88E6390_MISC_TEST_TEMP_SENSOR_ENABLE_ONESHOT (0x2 << 14) > > +#define MII_88E6390_MISC_TEST_TEMP_SENSOR_DISABLE (0x3 << 14) > > +#define MII_88E6390_MISC_TEST_TEMP_SENSOR_MASK (0x3 << > > 14) > > > > #define MII_88E6390_TEMP_SENSOR 0x1c > > #define MII_88E6390_TEMP_SENSOR_MASK 0xff > > @@ -2352,9 +2352,8 @@ static int m88e6390_get_temp(struct phy_device > > *phydev, long *temp) > > if (ret < 0) > > goto error; > > > > - ret = ret & ~MII_88E6390_MISC_TEST_SAMPLE_MASK; > > - ret |= MII_88E6390_MISC_TEST_SAMPLE_ENABLE | > > - MII_88E6390_MISC_TEST_SAMPLE_1S; > > + ret = ret & ~MII_88E6390_MISC_TEST_TEMP_SENSOR_MASK; > > + ret |= MII_88E6390_MISC_TEST_TEMP_SENSOR_ENABLE_SAMPLE_1S; > > So this is identical > > > > > ret = __phy_write(phydev, MII_88E6390_MISC_TEST, ret); > > if (ret < 0) > > @@ -2381,8 +2380,8 @@ static int m88e6390_get_temp(struct phy_device > > *phydev, long *temp) > > if (ret < 0) > > goto error; > > > > - ret = ret & ~MII_88E6390_MISC_TEST_SAMPLE_MASK; > > - ret |= MII_88E6390_MISC_TEST_SAMPLE_DISABLE; > > + ret = ret & ~MII_88E6390_MISC_TEST_TEMP_SENSOR_MASK; > > + ret |= MII_88E6390_MISC_TEST_TEMP_SENSOR_DISABLE; > > And here we have gone from 0x2 to 0x3? > > Have you checked the 6390 datasheet for this? > > I will test these patches later. > > Andrew The 6390 datasheet does not contain specification for temperature sensor anymore. I will look into older versions.