---
 drivers/mtd/nand/plat_nand.c |   13 ++++++++++++-
 include/linux/mtd/nand.h     |    1 +
 2 files changed, 13 insertions(+), 1 deletion(-)

--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -865,6 +865,7 @@ struct platform_nand_chip {
 	unsigned int options;
 	unsigned int bbt_options;
 	const char **part_probe_types;
+	int (*chip_fixup)(struct mtd_info *mtd);
 };
 
 /* Keep gcc happy */
--- a/drivers/mtd/nand/plat_nand.c
+++ b/drivers/mtd/nand/plat_nand.c
@@ -90,7 +90,18 @@ static int plat_nand_probe(struct platfo
 	}
 
 	/* Scan to find existence of the device */
-	if (nand_scan(&data->mtd, pdata->chip.nr_chips)) {
+	if (nand_scan_ident(&data->mtd, pdata->chip.nr_chips, NULL)) {
+		err = -ENXIO;
+		goto out;
+	}
+
+	if (pdata->chip.chip_fixup) {
+		err = pdata->chip.chip_fixup(&data->mtd);
+		if (err)
+			goto out;
+	}
+
+	if (nand_scan_tail(&data->mtd)) {
 		err = -ENXIO;
 		goto out;
 	}
submit();'>
<option value='attitude_adjustment'>attitude_adjustment</option>
<option value='barrier_breaker'>barrier_breaker</option>
<option value='chaos_calmer'>chaos_calmer</option>
<option value='lede-17.01'>lede-17.01</option>
<option value='less-old-master'>less-old-master</option>
<option value='master' selected='selected'>master</option>
<option value='old-master'>old-master</option>
<option value='openwrt-18.06'>openwrt-18.06</option>
<option value='openwrt-19.07'>openwrt-19.07</option>
<option value='upstream'>upstream</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>upstream openwrt</td><td class='sub right'>James</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/openwrt/upstream/about/'>about</a><a href='/cgit.cgi/openwrt/upstream/'>summary</a><a href='/cgit.cgi/openwrt/upstream/refs/?id=1063d904b78297b3e21a352bed19bd312235ff65'>refs</a><a href='/cgit.cgi/openwrt/upstream/log/target/linux/archs38/generic/profiles/00-default.mk'>log</a><a class='active' href='/cgit.cgi/openwrt/upstream/tree/target/linux/archs38/generic/profiles/00-default.mk?id=1063d904b78297b3e21a352bed19bd312235ff65'>tree</a><a href='/cgit.cgi/openwrt/upstream/commit/target/linux/archs38/generic/profiles/00-default.mk?id=1063d904b78297b3e21a352bed19bd312235ff65'>commit</a><a href='/cgit.cgi/openwrt/upstream/diff/target/linux/archs38/generic/profiles/00-default.mk?id=1063d904b78297b3e21a352bed19bd312235ff65'>diff</a><a href='/cgit.cgi/openwrt/upstream/stats/target/linux/archs38/generic/profiles/00-default.mk'>stats</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/openwrt/upstream/log/target/linux/archs38/generic/profiles/00-default.mk'>
<input type='hidden' name='id' value='1063d904b78297b3e21a352bed19bd312235ff65'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/openwrt/upstream/tree/?id=1063d904b78297b3e21a352bed19bd312235ff65'>root</a>/<a href='/cgit.cgi/openwrt/upstream/tree/target?id=1063d904b78297b3e21a352bed19bd312235ff65'>target</a>/<a href='/cgit.cgi/openwrt/upstream/tree/target/linux?id=1063d904b78297b3e21a352bed19bd312235ff65'>linux</a>/<a href='/cgit.cgi/openwrt/upstream/tree/target/linux/archs38?id=1063d904b78297b3e21a352bed19bd312235ff65'>archs38</a>/<a href='/cgit.cgi/openwrt/upstream/tree/target/linux/archs38/generic?id=1063d904b78297b3e21a352bed19bd312235ff65'>generic</a>/<a href='/cgit.cgi/openwrt/upstream/tree/target/linux/archs38/generic/profiles?id=1063d904b78297b3e21a352bed19bd312235ff65'>profiles</a>/<a href='/cgit.cgi/openwrt/upstream/tree/target/linux/archs38/generic/profiles/00-default.mk?id=1063d904b78297b3e21a352bed19bd312235ff65'>00-default.mk</a></div><div class='content'>blob: b27b5a4dfaf50ad2262b30be2d4430436a1f4774 (<a href='/cgit.cgi/openwrt/upstream/plain/target/linux/archs38/generic/profiles/00-default.mk?id=1063d904b78297b3e21a352bed19bd312235ff65'>plain</a>)
<table summary='blob content' class='blob'>
<tr><td class='linenumbers'><pre><a id='n1' href='#n1'>1</a>
<a id='n2' href='#n2'>2</a>
<a id='n3' href='#n3'>3</a>
<a id='n4' href='#n4'>4</a>
<a id='n5' href='#n5'>5</a>
<a id='n6' href='#n6'>6</a>
<a id='n7' href='#n7'>7</a>
<a id='n8' href='#n8'>8</a>
<a id='n9' href='#n9'>9</a>
<a id='n10' href='#n10'>10</a>
<a id='n11' href='#n11'>11</a>
<a id='n12' href='#n12'>12</a>
<a id='n13' href='#n13'>13</a>
<a id='n14' href='#n14'>14</a>
<a id='n15' href='#n15'>15</a>
<a id='n16' href='#n16'>16</a>
</pre></td>
<td class='lines'><pre><code>