[PATCH 4/8] asm-generic: io.h: remove wrong use of IOMEM
Ahmad Fatoum
a.fatoum at pengutronix.de
Mon Feb 1 03:59:45 EST 2021
Hi,
On 01.02.21 09:57, Sascha Hauer wrote:
> On Fri, Jan 29, 2021 at 05:11:12PM +0100, Ahmad Fatoum wrote:
>> addr is already __iomem, but we need to force strip that away to use it
>> as normal pointer. Define __io_virt like Linux does and use it.
>>
>> Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
>> ---
>> include/asm-generic/io.h | 8 +++++---
>> 1 file changed, 5 insertions(+), 3 deletions(-)
>>
>> diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
>> index 150a97645b6b..a4b0dc4b4337 100644
>> --- a/include/asm-generic/io.h
>> +++ b/include/asm-generic/io.h
>> @@ -425,6 +425,8 @@ static inline void iowrite64be(u64 value, volatile void __iomem *addr)
>> #define IOMEM(addr) ((void __force __iomem *)(addr))
>> #endif
>>
>> +#define __io_virt(x) ((void __force *)(x))
>> +
>> #ifndef memset_io
>> #define memset_io memset_io
>> /**
>> @@ -438,7 +440,7 @@ static inline void iowrite64be(u64 value, volatile void __iomem *addr)
>> static inline void memset_io(volatile void __iomem *addr, int value,
>> size_t size)
>> {
>> - memset(IOMEM(addr), value, size);
>> + memset(__io_virt(addr), value, size);
>> }
>
> Why did you add it differently than Linux in the first place?
> Should this be merged into 2/8?
Yes, please squash. I somehow thought I had added this earlier :D
Thanks,
Ahmad
>
> Sascha
>
--
Pengutronix e.K. | |
Steuerwalder Str. 21 | http://www.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
More information about the barebox
mailing list