[PATCH v3] i2c: new bus driver for efm32

Wolfram Sang wsa at the-dreams.de
Tue Mar 25 05:11:48 EDT 2014


On Tue, Mar 25, 2014 at 10:07:00AM +0100, Uwe Kleine-König wrote:
> Hello,
> 
> On Mon, Mar 24, 2014 at 06:01:31PM +0100, Wolfram Sang wrote:
> > And checkpatch said:
> > 
> > WARNING: braces {} are not necessary for any arm of this statement
> > #345: FILE: drivers/i2c/busses/i2c-efm32.c:239:
> > +		if (cur_msg->flags & I2C_M_RD) {
> > ...
> hmm the whole block reads:
> 
>         case REG_STATE_STATE_DATA:
>                 if (cur_msg->flags & I2C_M_RD) {
>                         efm32_i2c_recv_next_byte(ddata);
>                 } else {
>                         /* wait for Ack or Nack of slave */
>                 }
>                 break;
> 
> so just removing the braces does the wrong thing. Is this a false
> positive checkpatch warning? Andy? Joe?
> 
> I can make it:
> 
> 		if (cur_msg->flags & I2C_M_RD)
> 			efm32_i2c_recv_next_byte(ddata);
> 		/* in the write case wait for Ack or Nack of slave */
> 
> but I consider the version above more readable.

Well, OK, I let you decide.

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