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memory: tegra: Remove early boot SID override programming

Message ID 20221116102442.28194-1-amhetre@nvidia.com
State Superseded
Headers show
Series memory: tegra: Remove early boot SID override programming | expand

Commit Message

Ashish Mhetre Nov. 16, 2022, 10:24 a.m. UTC 
SID override is programmed on-demand during probe_finalize() call of
IOMMU which is done in tegra186_mc_client_sid_override() in this same
file. This function does it more correctly by checking if write is
permitted on SID override register. It also checks if SID override
register is already written with correct value and skips re-writing it
in that case.
Also, on newer Tegra releases SID override programming is done by
bootloader.
Hence, removing the early boot SID override programming of all clients.

Fixes: 393d66fd2cac ("memory: tegra: Implement SID override programming")
Signed-off-by: Ashish Mhetre <amhetre@nvidia.com>
---
 drivers/memory/tegra/tegra186.c | 2 --
 1 file changed, 2 deletions(-)
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Patch

diff --git a/drivers/memory/tegra/tegra186.c b/drivers/memory/tegra/tegra186.c
index 62477e592bf5..870273d343d6 100644
--- a/drivers/memory/tegra/tegra186.c
+++ b/drivers/memory/tegra/tegra186.c
@@ -85,8 +85,6 @@  static int tegra186_mc_probe(struct tegra_mc *mc)
 	if (err < 0)
 		return err;
 
-	tegra186_mc_program_sid(mc);
-
 	return 0;
 }