Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753834AbbFAPuh (ORCPT ); Mon, 1 Jun 2015 11:50:37 -0400 Received: from eusmtp01.atmel.com ([212.144.249.242]:30715 "EHLO eusmtp01.atmel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753569AbbFAPtK (ORCPT ); Mon, 1 Jun 2015 11:49:10 -0400 From: Cyrille Pitchen To: , , , CC: , , , , , , , , Cyrille Pitchen Subject: [PATCH v2 4/5] i2c: at91: print hardware version Date: Mon, 1 Jun 2015 17:49:14 +0200 Message-ID: <46a3699a9449adb793a97f212d38224f33488c87.1433173031.git.cyrille.pitchen@atmel.com> X-Mailer: git-send-email 1.8.2.2 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1146 Lines: 37 The probe() function now prints the hardware version of the I2C controller Signed-off-by: Cyrille Pitchen --- 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 e926806..ecf601a 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; @@ -870,6 +872,8 @@ 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-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/