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Commit 7b6031a7 authored by David Brown's avatar David Brown Committed by Greg Kroah-Hartman
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msm_serial: fix clock rate on DMA-based uarts 



The driver explicitly requests a clock rate for the UART, but it is
off by a factor of four from the dividers that it programs into the
UART.  Fix this by setting the rate to 1/4 of the current value.

Signed-off-by: default avatarDavid Brown <davidb@codeaurora.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 43b5f0d6

drivers/tty/serial/msm_serial.c

+1 −1
Original line number Diff line number Diff line
@@ -896,7 +896,7 @@ static int __init msm_serial_probe(struct platform_device *pdev) 
			return PTR_ERR(msm_port->clk);



	if (msm_port->is_uartdm)

		clk_set_rate(msm_port->clk, 7372800);

		clk_set_rate(msm_port->clk, 1843200);



	port->uartclk = clk_get_rate(msm_port->clk);

	printk(KERN_INFO "uartclk = %d\n", port->uartclk);