Re: [PATCH 2/3] ARM: l2c: update prefetch bits in L2X0_AUX_CTRL using DT value

2020-08-10 Thread Guillaume Tucker
On 29/07/2020 17:22, Guillaume Tucker wrote: > On 29/07/2020 15:18, Russell King - ARM Linux admin wrote: >> On Wed, Jul 29, 2020 at 02:47:32PM +0100, Guillaume Tucker wrote: >>> The L310_PREFETCH_CTRL register bits 28 and 29 to enable data and >>> instruction prefetch respectively can also be acce

Re: [PATCH 2/3] ARM: l2c: update prefetch bits in L2X0_AUX_CTRL using DT value

2020-07-29 Thread Guillaume Tucker
On 29/07/2020 15:18, Russell King - ARM Linux admin wrote: > On Wed, Jul 29, 2020 at 02:47:32PM +0100, Guillaume Tucker wrote: >> The L310_PREFETCH_CTRL register bits 28 and 29 to enable data and >> instruction prefetch respectively can also be accessed via the >> L2X0_AUX_CTRL register. They appe

Re: [PATCH 2/3] ARM: l2c: update prefetch bits in L2X0_AUX_CTRL using DT value

2020-07-29 Thread Russell King - ARM Linux admin
On Wed, Jul 29, 2020 at 02:47:32PM +0100, Guillaume Tucker wrote: > The L310_PREFETCH_CTRL register bits 28 and 29 to enable data and > instruction prefetch respectively can also be accessed via the > L2X0_AUX_CTRL register. They appear to be actually wired together in > hardware between the regis

[PATCH 2/3] ARM: l2c: update prefetch bits in L2X0_AUX_CTRL using DT value

2020-07-29 Thread Guillaume Tucker
The L310_PREFETCH_CTRL register bits 28 and 29 to enable data and instruction prefetch respectively can also be accessed via the L2X0_AUX_CTRL register. They appear to be actually wired together in hardware between the registers. Changing them in the prefetch register only will get undone when re