Re: [PATCH 1/6] soc: qcom: ocmem: Fix NUM_PORTS & NUM_MACROS macros

From: Konrad Dybcio
Date: Mon May 08 2023 - 03:27:04 EST




On 7.05.2023 11:12, Luca Weiss wrote:
> Since we're using these two macros to read a value from a register, we
> need to use the FIELD_GET instead of the FIELD_PREP macro, otherwise
> we're getting wrong values.
>
> So instead of:
>
> [ 3.111779] ocmem fdd00000.sram: 2 ports, 1 regions, 512 macros, not interleaved
>
> we now get the correct value of:
>
> [ 3.129672] ocmem fdd00000.sram: 2 ports, 1 regions, 2 macros, not interleaved
>
> Fixes: 88c1e9404f1d ("soc: qcom: add OCMEM driver")
> Signed-off-by: Luca Weiss <luca@xxxxxxxxx>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>

Konrad
> drivers/soc/qcom/ocmem.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/soc/qcom/ocmem.c b/drivers/soc/qcom/ocmem.c
> index 199fe9872035..c3e78411c637 100644
> --- a/drivers/soc/qcom/ocmem.c
> +++ b/drivers/soc/qcom/ocmem.c
> @@ -76,8 +76,8 @@ struct ocmem {
> #define OCMEM_REG_GFX_MPU_START 0x00001004
> #define OCMEM_REG_GFX_MPU_END 0x00001008
>
> -#define OCMEM_HW_PROFILE_NUM_PORTS(val) FIELD_PREP(0x0000000f, (val))
> -#define OCMEM_HW_PROFILE_NUM_MACROS(val) FIELD_PREP(0x00003f00, (val))
> +#define OCMEM_HW_PROFILE_NUM_PORTS(val) FIELD_GET(0x0000000f, (val))
> +#define OCMEM_HW_PROFILE_NUM_MACROS(val) FIELD_GET(0x00003f00, (val))
>
> #define OCMEM_HW_PROFILE_LAST_REGN_HALFSIZE 0x00010000
> #define OCMEM_HW_PROFILE_INTERLEAVING 0x00020000
>