[PATCH 07/28] ARM: mmu: Separate index and address in create_sections()
Andrey Smirnov
andrew.smirnov at gmail.com
Mon May 14 22:41:10 PDT 2018
On Sun, May 13, 2018 at 11:47 PM, Sascha Hauer <s.hauer at pengutronix.de> wrote:
> Hi Andrey,
>
> On Tue, May 08, 2018 at 02:29:30PM -0700, Andrey Smirnov wrote:
>> Both TTB index and address used to fill that entry are derived from
>> the same variable 'addr' which requires shifting right and left by 20
>> and somewhat confusing.
>>
>> Split the counter used to iterate over elements of TTB into a
>> separate variable to make this code a bit easier to read.
>>
>> Signed-off-by: Andrey Smirnov <andrew.smirnov at gmail.com>
>> ---
>> arch/arm/cpu/mmu.h | 8 ++++++--
>> 1 file changed, 6 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm/cpu/mmu.h b/arch/arm/cpu/mmu.h
>> index 59f72049f..8b51e3f9f 100644
>> --- a/arch/arm/cpu/mmu.h
>> +++ b/arch/arm/cpu/mmu.h
>> @@ -28,8 +28,12 @@ static inline void
>> create_sections(uint32_t *ttb, unsigned long addr,
>> int size_m, unsigned int flags)
>> {
>> - for (addr >>= 20; addr < size_m; addr++)
>> - ttb[addr] = (addr << 20) | flags;
>> + unsigned long ttb_start = add >> 20;
>
> This will break compilation. "addr" instead of "add".
>
My bad. Will fix in v2.
Thanks,
Andrey Smirnov
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