On Thu, 2015-11-19 at 18:11 +0200, Andy Shevchenko wrote:
> There is a warning when compiling i2c-core.c
> drivers/i2c/i2c-core.c:2561:36: warning: dubious: x | !y
>
> Replace boolean exdpression by a plain bitwise AND since I2C_M_RD is
> a bit 0
> and thus we are on the safe side.
Wolfram, any news about this change? Last time I remember you talked
about your series which makes this change obsolete.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Reviewed-by: Alexander Sverdlin <aleaxander.sverdlin@xxxxxxxxx>
> ---
> Changelog v3:
> - add tag
> - rephrase commit message
> drivers/i2c/i2c-core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
> index 040af5c..873ca1c 100644
> --- a/drivers/i2c/i2c-core.c
> +++ b/drivers/i2c/i2c-core.c
> @@ -2591,7 +2591,7 @@ static u8 i2c_smbus_pec(u8 crc, u8 *p, size_t
> count)
> static u8 i2c_smbus_msg_pec(u8 pec, struct i2c_msg *msg)
> {
> /* The address will be sent first */
> - u8 addr = (msg->addr << 1) | !!(msg->flags & I2C_M_RD);
> + u8 addr = (msg->addr << 1) | (msg->flags & I2C_M_RD);
> pec = i2c_smbus_pec(pec, &addr, 1);
>
> /* The data buffer follows */
--
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy
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