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SubjectRe: [PATCH] firmware: tegra: Defer BPMP probe if shared memory not available
On Wed, May 20, 2020 at 04:12:06PM +0100, Jon Hunter wrote:
> Since commit 93d2e4322aa7 ("of: platform: Batch fwnode parsing when
> adding all top level devices") was added, the probing of the Tegra
> SRAM device has occurred later in the boot sequence, after the BPMP
> has been probed. The BPMP uses sections of the SRAM for shared memory
> and if the BPMP is probed before the SRAM then it fails to probe and
> never tries again. This is causing a boot failure on Tegra186 and
> Tegra194. Fix this by allowing the probe of the BPMP to be deferred if
> the SRAM is not available yet.
> Signed-off-by: Jon Hunter <>
> ---
> drivers/firmware/tegra/bpmp-tegra186.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)

Applied, thanks.

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