On Fri, Nov 22, 2013 at 10:53:53AM +0100, Marc Kleine-Budde wrote:
> Hello,
>
> this series implements the suggested workaround for freescale's imx28 Errata,
> "ENGR119653 USB: ARM to USB register error issue".
>
> changes since v4:
> - fix signature of imx28_ehci_writel(), don't use volatile, make use of __iomem
The __iomem is just sparse thing, and not related to gcc, our imx28_ehci_writel
uses assembly directly, and not call writel any more. The definition of
__raw_writel still uses volatile:
include/asm-generic/io.h:
static inline void __raw_writel(u32 b, volatile void __iomem *addr)
{
*(volatile u32 __force *) addr = b;
}
> - avoid new #ifdef by using if (IS_ENABLED())
>
> Marc
>
>
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--
Best Regards,
Peter Chen
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