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reset: tegra-bpmp: Restore Handle errors in BPMP response

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[ Upstream commit d1da1052ffad63aa5181b69f20a6952e31f339c2 ]

This reverts following commit 69125b4b9440 ("reset: tegra-bpmp: Revert
Handle errors in BPMP response").

The Tegra194 HDA reset failure is fixed by commit d278dc9151a0 ("ALSA:
hda/tegra: Fix Tegra194 HDA reset failure"). The temporary revert of
original commit c045ceb5a145 ("reset: tegra-bpmp: Handle errors in BPMP
response") can be removed now.

Signed-off-by: Sameer Pujar <[email protected]>
Tested-by: Jon Hunter <[email protected]>
Reviewed-by: Jon Hunter <[email protected]>
Acked-by: Thierry Reding <[email protected]>
Signed-off-by: Philipp Zabel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Sameer Pujar 2022-01-12 19:26:46 +05:30 • committed by Greg Kroah-Hartman
commit 54be94d336
1 changed files with 8 additions and 1 deletions
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9
drivers/reset/tegra/reset-bpmp.c
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@ -20,6 +20,7 @@ static int tegra_bpmp_reset_common(struct reset_controller_dev *rstc,
struct tegra_bpmp *bpmp = to_tegra_bpmp(rstc);
struct mrq_reset_request request;
struct tegra_bpmp_message msg;
int err;
memset(&request, 0, sizeof(request));
request.cmd = command;
@ -30,7 +31,13 @@ static int tegra_bpmp_reset_common(struct reset_controller_dev *rstc,
msg.tx.data = &request;
msg.tx.size = sizeof(request);
return tegra_bpmp_transfer(bpmp, &msg);
err = tegra_bpmp_transfer(bpmp, &msg);
if (err)
return err;
if (msg.rx.ret)
return -EINVAL;
return 0;
}
static int tegra_bpmp_reset_module(struct reset_controller_dev *rstc,