tty: xilinx_uartps: Check clk_enable return value

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If clocks are not enabled the register access may hang the system.
Check for the clock enable return value and bail out if not enabled.

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Link: https://lore.kernel.org/r/20220729114748.18332-2-shubhrajyoti.datta@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Shubhrajyoti Datta 2022-07-29 17:17:42 +05:30 • committed by Greg Kroah-Hartman

parent 568035b01c

commit 957e8c047b

1 changed files with 10 additions and 2 deletions

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drivers/tty/serial/xilinx_uartps.c

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