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

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commit 69125b4b94 upstream.

Commit c045ceb5a1 ("reset: tegra-bpmp: Handle errors in BPMP
response") fixed an issue in the Tegra BPMP error handling but has
exposed an issue in the Tegra194 HDA driver and now resetting the
Tegra194 HDA controller is failing. For now revert the commit
c045ceb5a1 ("reset: tegra-bpmp: Handle errors in BPMP response")
while a fix for the Tegra HDA driver is created.

Fixes: c045ceb5a1 ("reset: tegra-bpmp: Handle errors in BPMP response")
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/r/20211112112712.21587-1-jonathanh@nvidia.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jon Hunter 2021-11-12 11:27:12 +00:00 committed by Greg Kroah-Hartman
parent 57dcae4a8b
commit efccff32de
1 changed files with 1 additions and 8 deletions
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9
drivers/reset/tegra/reset-bpmp.c
View file

@ -20,7 +20,6 @@ static int tegra_bpmp_reset_common(struct reset_controller_dev *rstc,
struct tegra_bpmp *bpmp = to_tegra_bpmp(rstc); struct tegra_bpmp *bpmp = to_tegra_bpmp(rstc);
struct mrq_reset_request request; struct mrq_reset_request request;
struct tegra_bpmp_message msg; struct tegra_bpmp_message msg;
int err;
memset(&request, 0, sizeof(request)); memset(&request, 0, sizeof(request));
request.cmd = command; request.cmd = command;
@ -31,13 +30,7 @@ static int tegra_bpmp_reset_common(struct reset_controller_dev *rstc,
msg.tx.data = &request; msg.tx.data = &request;
msg.tx.size = sizeof(request); msg.tx.size = sizeof(request);
err = tegra_bpmp_transfer(bpmp, &msg); return 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, static int tegra_bpmp_reset_module(struct reset_controller_dev *rstc,