Re: [PATCH 3/7 v3] i2c-eg20t: delete 10bit access processing

From: Tomoya MORINAGA
Date: Thu Oct 06 2011 - 03:00:33 EST


(2011/10/06 15:56), Tomoya MORINAGA wrote:

Previous [PATCH 3/7] is duplicated like below.
[PATCH 3/7 v3] i2c-eg20t: delete 10bit access processing
[PATCH 3/7 v1] i2c-eg20t: Fix 10bit access issue

Please ignore "[PATCH 3/7 v3] i2c-eg20t: delete 10bit access processing"
Sorry for the in inconvenience.

--
tomoya
ROHM Co., Ltd.

> From: Tomoya MORINAGA<tomoya-linux@xxxxxxxxxxxxxxx>
>
> Linux I2C core doesn't support 10bit access formally.
> Additionally, we can't test with 10bit mode.
> This patch deletes the 10bit access processing.
>
> Signed-off-by: Tomoya MORINAGA<tomoya-linux@xxxxxxxxxxxxxxxxxx>
> ---
> drivers/i2c/busses/i2c-eg20t.c | 3 +--
> 1 files changed, 1 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-eg20t.c b/drivers/i2c/busses/i2c-eg20t.c
> index c5b9924..aa1705e 100644
> --- a/drivers/i2c/busses/i2c-eg20t.c
> +++ b/drivers/i2c/busses/i2c-eg20t.c
> @@ -410,7 +410,7 @@ static s32 pch_i2c_writebytes(struct i2c_adapter *i2c_adap,
> }
>
> if (msgs->flags& I2C_M_TEN) {
> - addr_2_msb = ((addr& I2C_MSB_2B_MSK)>> 7);
> + addr_2_msb = ((addr& I2C_MSB_2B_MSK)>> 7)& 0x06;
> iowrite32(addr_2_msb | TEN_BIT_ADDR_MASK, p + PCH_I2CDR);
> if (first)
> pch_i2c_start(adap);
> @@ -515,7 +515,6 @@ static s32 pch_i2c_readbytes(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs,
> if (msgs->flags& I2C_M_TEN) {
> addr_2_msb = (((addr& I2C_MSB_2B_MSK)>> 7) | (I2C_RD));
> iowrite32(addr_2_msb | TEN_BIT_ADDR_MASK, p + PCH_I2CDR);
> -
> } else {
> /* 7 address bits + R/W bit */
> addr = (((addr)<< 1) | (I2C_RD));

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