Messages in this thread | | | Subject | Re: [V2, 2/6] tty: serial: lpuart: add little endian 32 bit register support | From | Nikita Yushchenko <> | Date | Wed, 17 May 2017 08:43:34 +0300 |
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>>> @@ -2000,6 +2007,7 @@ static int lpuart_probe(struct platform_device *pdev) >>> } >>> sport->port.line = ret; >>> sport->lpuart32 = sdata->is_32; >>> + lpuart_is_be = sdata->is_be; >> >> Setting a global variable in per-device routine is quite bad design. >> > > There is a reason for that we don't want to change the exist > lpuart32_read[write] API which is widely used in driver. > Making a global lpuart_is_be is the simplest way to do it. > > Any strong blocking reason?
Code should be consistent.
There is no good reason to have sport->lpuart32 inside sport, but lpuart_is_be outside of it. Both these values describe properties of particular device, and thus should be in per-device structure.
If that implies adding sport arg to lpuart32_(read|write), just do that.
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