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mfd: mxs-lradc: Mark expected switch fall-through

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In preparation to enabling -Wimplicit-fallthrough, mark switch
cases where we are expecting to fall through.

This patch fixes the following warning:

drivers/mfd/mxs-lradc.c: In function ‘mxs_lradc_probe’:
drivers/mfd/mxs-lradc.c:179:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
    if (lradc->soc == IMX28_LRADC) {
       ^
drivers/mfd/mxs-lradc.c:185:3: note: here
   default:
   ^~~~~~~

Warning level 3 was used: -Wimplicit-fallthrough=3

Notice that, in this particular case, the code comment is modified
in accordance with what GCC is expecting to find.

This patch is part of the ongoing efforts to enable
-Wimplicit-fallthrough.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Gustavo A. R. Silva 2019-02-11 16:48:27 -06:00 committed by Lee Jones
parent 4720eb4752
commit d2d833e0bf
1 changed files with 1 additions and 1 deletions
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2
drivers/mfd/mxs-lradc.c
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@ -181,7 +181,7 @@ static int mxs_lradc_probe(struct platform_device *pdev)
MXS_LRADC_TOUCHSCREEN_5WIRE; MXS_LRADC_TOUCHSCREEN_5WIRE;
break; break;
} }
/* fall through to an error message for i.MX23 */ /* fall through - to an error message for i.MX23 */
default: default:
dev_err(&pdev->dev, dev_err(&pdev->dev,
"Unsupported number of touchscreen wires (%d)\n" "Unsupported number of touchscreen wires (%d)\n"