From mboxrd@z Thu Jan 1 00:00:00 1970 From: dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org Subject: [PATCH 07/13] i2c-designware: move i2c functionality bit field to be adapter specific Date: Thu, 9 Jun 2011 12:21:44 -0700 Message-ID: <1307647310-24332-8-git-send-email-dirk.brandewie@gmail.com> References: <1307647310-24332-1-git-send-email-dirk.brandewie@gmail.com> Return-path: In-Reply-To: <1307647310-24332-1-git-send-email-dirk.brandewie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Dirk Brandewie , Ben Dooks List-Id: linux-i2c@vger.kernel.org From: Dirk Brandewie The functionality of the adapter depends on the configuration of the IP block at silicon compile time and is adapter specific. Signed-off-by: Dirk Brandewie Signed-off-by: Ben Dooks --- drivers/i2c/busses/i2c-designware-core.c | 8 ++------ drivers/i2c/busses/i2c-designware-core.h | 1 + drivers/i2c/busses/i2c-designware-platdrv.c | 8 ++++++++ 3 files changed, 11 insertions(+), 6 deletions(-) diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c index d3b71f2..3c9f7cc 100644 --- a/drivers/i2c/busses/i2c-designware-core.c +++ b/drivers/i2c/busses/i2c-designware-core.c @@ -457,12 +457,8 @@ done: u32 i2c_dw_func(struct i2c_adapter *adap) { - return I2C_FUNC_I2C | - I2C_FUNC_10BIT_ADDR | - I2C_FUNC_SMBUS_BYTE | - I2C_FUNC_SMBUS_BYTE_DATA | - I2C_FUNC_SMBUS_WORD_DATA | - I2C_FUNC_SMBUS_I2C_BLOCK; + struct dw_i2c_dev *dev = i2c_get_adapdata(adap); + return dev->functionality; } static u32 i2c_dw_read_clear_intrbits(struct dw_i2c_dev *dev) diff --git a/drivers/i2c/busses/i2c-designware-core.h b/drivers/i2c/busses/i2c-designware-core.h index 43de340..ab4e655 100644 --- a/drivers/i2c/busses/i2c-designware-core.h +++ b/drivers/i2c/busses/i2c-designware-core.h @@ -182,6 +182,7 @@ struct dw_i2c_dev { int irq; int swab; struct i2c_adapter adapter; + u32 functionality; unsigned int tx_fifo_depth; unsigned int rx_fifo_depth; }; diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 08783a6..36db7a8 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -96,6 +96,14 @@ static int __devinit dw_i2c_probe(struct platform_device *pdev) } clk_enable(dev->clk); + dev->functionality = + I2C_FUNC_I2C | + I2C_FUNC_10BIT_ADDR | + I2C_FUNC_SMBUS_BYTE | + I2C_FUNC_SMBUS_BYTE_DATA | + I2C_FUNC_SMBUS_WORD_DATA | + I2C_FUNC_SMBUS_I2C_BLOCK; + dev->base = ioremap(mem->start, resource_size(mem)); if (dev->base == NULL) { dev_err(&pdev->dev, "failure mapping io resources\n"); -- 1.7.3.4