| Message ID | 5d08690d152e10592443224b46b677071196f730.1432907105.git.cyrille.pitchen@atmel.com |
|---|---|
| State | Superseded |
| Headers | show |
On Fri, May 29, 2015 at 03:50:09PM +0200, Cyrille Pitchen wrote: > The probe() function now prints the hardware version of the I2C controller > > Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com> > --- > drivers/i2c/busses/i2c-at91.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c > index b48be58..1549b29 100644 > --- a/drivers/i2c/busses/i2c-at91.c > +++ b/drivers/i2c/busses/i2c-at91.c > @@ -85,6 +85,8 @@ > #define AT91_TWI_ACR_DATAL(len) ((len) & 0xff) > #define AT91_TWI_ACR_DIR (1 << 8) > > +#define AT91_TWI_VER 0x00fc /* Version Register */ > + > struct at91_twi_pdata { > unsigned clk_max_div; > unsigned clk_offset; > @@ -867,6 +869,8 @@ static int at91_twi_probe(struct platform_device *pdev) > return rc; > } > > + dev_info(dev->dev, "version: 0x%x\n", at91_twi_read(dev, AT91_TWI_VER)); > + > rc = of_property_read_u32(dev->dev->of_node, "clock-frequency", > &bus_clk_rate); > if (rc) > -- > 1.8.2.2 > -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c index b48be58..1549b29 100644 --- a/drivers/i2c/busses/i2c-at91.c +++ b/drivers/i2c/busses/i2c-at91.c @@ -85,6 +85,8 @@ #define AT91_TWI_ACR_DATAL(len) ((len) & 0xff) #define AT91_TWI_ACR_DIR (1 << 8) +#define AT91_TWI_VER 0x00fc /* Version Register */ + struct at91_twi_pdata { unsigned clk_max_div; unsigned clk_offset; @@ -867,6 +869,8 @@ static int at91_twi_probe(struct platform_device *pdev) return rc; } + dev_info(dev->dev, "version: 0x%x\n", at91_twi_read(dev, AT91_TWI_VER)); + rc = of_property_read_u32(dev->dev->of_node, "clock-frequency", &bus_clk_rate); if (rc)
The probe() function now prints the hardware version of the I2C controller Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> --- drivers/i2c/busses/i2c-at91.c | 4 ++++ 1 file changed, 4 insertions(+)