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serial: tegra: handle clk prepare error in tegra_uart_hw_init()
[ Upstream commit 5abd011 ] In tegra_uart_hw_init(), the return value of clk_prepare_enable() should be checked since it might fail. Fixes: e9ea096 ("serial: tegra: add serial driver") Signed-off-by: Yi Yang <yiyang13@huawei.com> Link: https://lore.kernel.org/r/20230817105406.228674-1-yiyang13@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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