serial: atmel: Check result of clk_get()
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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@ -403,6 +403,11 @@ static int atmel_serial_init_port(struct console_device *cdev)
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return -ENOENT;
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return -ENOENT;
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uart->clk = clk_get(dev, "usart");
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uart->clk = clk_get(dev, "usart");
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if (IS_ERR(uart->clk)) {
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dev_err(dev, "Failed to get 'usart' clock\n");
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return PTR_ERR(uart->clk);
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}
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clk_enable(uart->clk);
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clk_enable(uart->clk);
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uart->uartclk = clk_get_rate(uart->clk);
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uart->uartclk = clk_get_rate(uart->clk);
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