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Commit 6ce461ea authored by Cyrille Pitchen's avatar Cyrille Pitchen Committed by Wolfram Sang
Browse files

i2c: at91: print hardware version 



The probe() function now prints the hardware version of the I2C
controller.

Signed-off-by: default avatarCyrille Pitchen <cyrille.pitchen@atmel.com>
[wsa: s/version/hw version/] for clarity]
Acked-by: default avatarLudovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent 0ef6f321

drivers/i2c/busses/i2c-at91.c

+4 −1
Original line number Diff line number Diff line
@@ -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;

}