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drivers: nvadsp: Disable MBX empty intr at config

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MBOX empty interrupt line is high by default; configuring AGIC line
in this state is undefined behaviour. Fix this by disabling the
interrupt at source and enabling it only after unmasking in AGIC.

Immediately upon unmasking one empty interrupt will be raised, which
must be ignored.

Bug 3432474

Change-Id: I03a26f061bb28b616626bb07153b0263540d7bd9
Signed-off-by: Viswanath L <viswanathl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2672095
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Dipesh Gandhi <dipeshg@nvidia.com>
Reviewed-by: Sharad Gupta <sharadg@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Viswanath L
2022-02-22 07:16:02 +00:00
committed by Laxman Dewangan
parent 7835064bc3
commit f90d551e16
3 changed files with 11 additions and 1 deletions
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1
drivers/platform/tegra/nvadsp/dev.c
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@@ -572,6 +572,7 @@ static struct nvadsp_chipdata tegrat18x_adsp_chipdata = {
.hwmbox5_reg = 0X28000,
.hwmbox6_reg = 0X30000,
.hwmbox7_reg = 0X38000,
.empty_int_ie = 0x8,
},
.adsp_shared_mem_hwmbox = 0x18000, /* HWMBOX3 */
.adsp_thread_hwmbox = 0x20000, /* HWMBOX4 */