[PATCHv8 08/10] I2C: OMAP: fix missing handling of errata I2C_OMAP3_1P153

Wolfram Sang w.sang at pengutronix.de
Mon Apr 23 12:43:56 EDT 2012


On Thu, Apr 19, 2012 at 06:58:19PM +0530, Shubhrajyoti D wrote:
> From: Tasslehoff Kjappfot <tasskjapp at gmail.com>
> 
> i2c_probe set the dev->errata flag, but omap_i2c_init cleared the flag again.
> Move the errata handling to i2c_probe.
> 
> Signed-off-by: Tasslehoff Kjappfot <tasskjapp at gmail.com>
> Signed-off-by: Shubhrajyoti D <shubhrajyoti at ti.com>

Subject looks bogus to me. You are handling I207 here.

> ---
>  drivers/i2c/busses/i2c-omap.c |   10 +++++-----
>  1 files changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
> index d555dcd..9323201 100644
> --- a/drivers/i2c/busses/i2c-omap.c
> +++ b/drivers/i2c/busses/i2c-omap.c
> @@ -427,11 +427,6 @@ static int omap_i2c_init(struct omap_i2c_dev *dev)
>  	/* Take the I2C module out of reset: */
>  	omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, OMAP_I2C_CON_EN);
>  
> -	dev->errata = 0;
> -
> -	if (dev->flags & OMAP_I2C_FLAG_APPLY_ERRATA_I207)
> -		dev->errata |= I2C_OMAP_ERRATA_I207;
> -
>  	/* Enable interrupts */
>  	dev->iestate = (OMAP_I2C_IE_XRDY | OMAP_I2C_IE_RRDY |
>  			OMAP_I2C_IE_ARDY | OMAP_I2C_IE_NACK |
> @@ -1023,6 +1018,11 @@ omap_i2c_probe(struct platform_device *pdev)
>  
>  	dev->rev = omap_i2c_read_reg(dev, OMAP_I2C_REV_REG) & 0xff;
>  
> +	dev->errata = 0;
> +
> +	if (dev->flags & OMAP_I2C_FLAG_APPLY_ERRATA_I207)
> +		dev->errata |= I2C_OMAP_ERRATA_I207;
> +
>  	if (dev->rev <= OMAP_I2C_REV_ON_3430)
>  		dev->errata |= I2C_OMAP3_1P153;
>  
> -- 
> 1.7.5.4
> 

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
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