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serial: sh-sci: Drop support for "sci_ick" clock

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Since commit 1b463bd510 ("ARM: dts: r8a7794: Rename the serial
port clock to fck") in v4.6, all upstream DTS files call the SCIF
functional clock "fck".

Hence the time is ripe to drop backward-compatibility with old DTBs that
use the old "sci_ick" name.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/b4103e44d6ac46b6c1c264e2aeac80b39941fe74.1639663832.git.geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Geert Uytterhoeven 2021-12-16 15:17:32 +01:00 committed by Greg Kroah-Hartman
parent f087f01ca2
commit 09c7bda4dd
1 changed files with 0 additions and 11 deletions
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11
drivers/tty/serial/sh-sci.c
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@ -2784,17 +2784,6 @@ static int sci_init_clocks(struct sci_port *sci_port, struct device *dev)
return -EPROBE_DEFER;
if (IS_ERR(clk) && i == SCI_FCK) {
/*
* "fck" used to be called "sci_ick", and we need to
* maintain DT backward compatibility.
*/
clk = devm_clk_get(dev, "sci_ick");
if (PTR_ERR(clk) == -EPROBE_DEFER)
return -EPROBE_DEFER;
if (!IS_ERR(clk))
goto found;
/*
* Not all SH platforms declare a clock lookup entry
* for SCI devices, in which case we need to get the