diff options
| author | Cyrille Pitchen <cyrille.pitchen@atmel.com> | 2015-06-09 18:22:18 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2015-06-10 21:54:53 +0900 |
| commit | 6ce461ea504b0c5eb011b1acccd38fdc28e812ad (patch) | |
| tree | 48498eed01b830b5336098c8d91160f1014a630e /drivers/i2c | |
| parent | 0ef6f3213dac48bbc71c98b5a2752db556f3e649 (diff) | |
| download | linux-6ce461ea504b0c5eb011b1acccd38fdc28e812ad.tar.bz2 | |
i2c: at91: print hardware version
The probe() function now prints the hardware version of the I2C
controller.
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
[wsa: s/version/hw version/] for clarity]
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-at91.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c index 817ae69cd1fb..abd93f3a05a0 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 BIT(8) +#define AT91_TWI_VER 0x00fc /* Version Register */ + struct at91_twi_pdata { unsigned clk_max_div; unsigned clk_offset; @@ -908,7 +910,8 @@ static int at91_twi_probe(struct platform_device *pdev) return rc; } - dev_info(dev->dev, "AT91 i2c bus driver.\n"); + dev_info(dev->dev, "AT91 i2c bus driver (hw version: %#x).\n", + at91_twi_read(dev, AT91_TWI_VER)); return 0; } |