On 2021/1/29 21:54, Leizhen (ThunderTown) wrote:
>
>
> On 2021/1/29 18:26, Arnd Bergmann wrote:
>> On Fri, Jan 29, 2021 at 9:16 AM Arnd Bergmann wrote:
>>> On Fri, Jan 29, 2021 at 8:23 AM Leizhen (ThunderTown)
>>> wrote:
On 2021/1/28 22:24, Arnd Bergmann wrote:
> On Sat, Jan 16, 202
On 2021/1/29 18:33, Russell King - ARM Linux admin wrote:
> On Fri, Jan 29, 2021 at 11:26:38AM +0100, Arnd Bergmann wrote:
>> Another clarification, as there are actually two independent
>> points here:
>>
>> * if you can completely remove the readl() above and just write a
>> hardcoded value
On Fri, Jan 29, 2021 at 11:26:38AM +0100, Arnd Bergmann wrote:
> Another clarification, as there are actually two independent
> points here:
>
> * if you can completely remove the readl() above and just write a
> hardcoded value into the register, or perhaps read the original
> value once at b
On 2021/1/28 22:24, Arnd Bergmann wrote:
> On Sat, Jan 16, 2021 at 4:27 AM Zhen Lei wrote:
>> diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile
>> +
>> +static void l3cache_maint_common(u32 range, u32 op_type)
>> +{
>> + u32 reg;
>> +
>> + reg = readl(l3_ctrl_base + L3_MAINT_
On Sat, Jan 16, 2021 at 4:27 AM Zhen Lei wrote:
> diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile
> +
> +static void l3cache_maint_common(u32 range, u32 op_type)
> +{
> + u32 reg;
> +
> + reg = readl(l3_ctrl_base + L3_MAINT_CTRL);
> + reg &= ~(L3_MAINT_RANGE_MASK | L3_MA
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