zio-sys.c: "resolution-bits" attribute is not mandatory

This removes the annyoing message about the missing attribute. Simple driver can choose to not have attributes at all, which simplifies source code, so the core should better not complain about them. Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Acked-by: Federico Vaga <federico.vaga@gmail.com>

zio-sys.c: "resolution-bits" attribute is not mandatory
This removes the annyoing message about the missing attribute. Simple driver can choose to not have attributes at all, which simplifies source code, so the core should better not complain about them. Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Acked-by: Federico Vaga <federico.vaga@gmail.com>
0c0f981d · Alessandro Rubini · Federico Vaga · 67428e2e · 0c0f981d
Commit 0c0f981d authored Nov 02, 2012 by Alessandro Rubini Committed by Federico Vaga Nov 05, 2012
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zio-sys.c zio-sys.c +1 -2

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--- a/zio-sys.c
+++ b/zio-sys.c
@@ -1645,8 +1645,7 @@ static uint16_t __get_nbits(struct zio_channel *chan)
 		if (zdev->zattr_set.std_zattr[ZIO_ATTR_NBITS].value)
 			return zdev->zattr_set.std_zattr[ZIO_ATTR_NBITS].value;

-	pr_warn("%s: device \"%s\" lacks \"resolution bit\" attribute\n",
-		__func__, chan->cset->zdev->head.name);
+	/* The attr. is optional, so devices with no attributes are allowed */
 	return chan->cset->ssize * BITS_PER_BYTE;
 }
 /*