Re: [PATCH 2/2] Revert "MIPS: octeon: Remove vestiges of CONFIG_CAVIUM_RESERVE32"

From: Joe Perches
Date: Sat Jul 30 2022 - 13:22:03 EST


On Mon, 2022-07-25 at 11:17 +0200, Alexander A Sverdlin wrote:
> From: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx>
>
> This reverts commit e98b461bb057aaea6fa766260788c08825213837.
>
> We actually have been using the CONFIG_CAVIUM_RESERVE32 and previous patch
> defined it in the corresponding Kconfig.

Perhaps all of the uses of

#if defined(CONFIG_CAVIUM_RESERVE32)

should be

#if defined(CONFIG_CAVIUM_RESERVE32) && CONFIG_CAVIUM_RESERVE32

> diff --git a/arch/mips/cavium-octeon/executive/cvmx-cmd-queue.c b/arch/mips/cavium-octeon/executive/cvmx-cmd-queue.c
[]
> @@ -57,14 +57,27 @@ EXPORT_SYMBOL_GPL(__cvmx_cmd_queue_state_ptr);
> static cvmx_cmd_queue_result_t __cvmx_cmd_queue_init_state_ptr(void)
> {
> char *alloc_name = "cvmx_cmd_queues";
> +#if defined(CONFIG_CAVIUM_RESERVE32) && CONFIG_CAVIUM_RESERVE32
> + extern uint64_t octeon_reserve32_memory;
> +#endif

Like these

> +#if defined(CONFIG_CAVIUM_RESERVE32) && CONFIG_CAVIUM_RESERVE32
> + if (octeon_reserve32_memory)
> + __cvmx_cmd_queue_state_ptr =
> + cvmx_bootmem_alloc_named_range(sizeof(*__cvmx_cmd_queue_state_ptr),
> + octeon_reserve32_memory,
> + octeon_reserve32_memory +
> + (CONFIG_CAVIUM_RESERVE32 <<
> + 20) - 1, 128, alloc_name);
> + else
> +#endif
> + __cvmx_cmd_queue_state_ptr =
> + cvmx_bootmem_alloc_named(sizeof(*__cvmx_cmd_queue_state_ptr),
> + 128,
> + alloc_name);

[]

> diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
[]
> @@ -284,6 +284,11 @@ void octeon_crash_smp_send_stop(void)
[]
> +#ifdef CONFIG_CAVIUM_RESERVE32

here.

> +uint64_t octeon_reserve32_memory;
> +EXPORT_SYMBOL(octeon_reserve32_memory);
> +#endif

[]

> @@ -661,7 +666,9 @@ void __init prom_init(void)
> int i;
> u64 t;
> int argc;
> -
> +#ifdef CONFIG_CAVIUM_RESERVE32
> + int64_t addr = -1;

here

> +#endif
> /*
> * The bootloader passes a pointer to the boot descriptor in
> * $a3, this is available as fw_arg3.
> @@ -776,6 +783,25 @@ void __init prom_init(void)
> cvmx_write_csr(CVMX_LED_UDD_DATX(1), 0);
> cvmx_write_csr(CVMX_LED_EN, 1);
> }
> +#ifdef CONFIG_CAVIUM_RESERVE32

etc...