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Commit 560331ea authored May 13, 2019 by Lubomir Rintel Committed by Andy Shevchenko May 20, 2019

Platform: OLPC: Avoid a warning if the EC didn't register yet



Just return EPROBE_DEFER, so that whoever attempted to use the EC call can
defer their work.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

parent ec9964b4

drivers/platform/olpc/olpc-ec.c

+5 −2

Original line number	Diff line number	Diff line
		@@ -125,8 +125,11 @@ int olpc_ec_cmd(u8 cmd, u8 inbuf, size_t inlen, u8 outbuf, size_t outlen)
		struct olpc_ec_priv *ec = ec_priv;
		struct ec_cmd_desc desc;

		/* Ensure a driver and ec hook have been registered */
		if (WARN_ON(!ec_driver \|\| !ec_driver->ec_cmd))
		/* Driver not yet registered. */
		if (!ec_driver)
		return -EPROBE_DEFER;

		if (WARN_ON(!ec_driver->ec_cmd))
		return -ENODEV;

		if (!ec)