[PATCH 4/4] pata_imx: deny IRQ0

[Sergey Shtylyov]

Hello!

On 3/21/21 10:06 PM, Fabio Estevam wrote:

[...]

   Sorry for replying this late. If I don't reply to mails right away, I tend to forget about
the unreplied mails. I might have been busy with other stuff ATM too... :-)

>> If platform_get_irq() returns IRQ0 (considered invalid according to Linus)
> 
> How can platform_get_irq() return 0 on i.MX?
> This driver only runs on imx31 and imx51 and in both platforms the
> PATA IRQ is non-zero.

   Maybe this is impossible indeed -- iff someone doesn't change the kernel (or DT) on purpose
(the driver wouldn't work correctly in this case as libata would ignore the driver's IRQ
handler).

> IMHO the current code is correct as-is.

   Not quite... I don't want to leave a bad example for the future driver authors. What should
I change in the patch description for the patch to become acceptable for you?

MBR, Sergey