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authorMarc Gonzalez <marc_gonzalez@sigmadesigns.com>2017-01-03 11:01:14 +0100
committerBoris Brezillon <boris.brezillon@free-electrons.com>2017-01-03 11:58:35 +0100
commit8043d25b3c0fa0a8f531333707f682f03b6febdb (patch)
tree112b045e14899f54c081f3678fdbfc944d6df9f9 /drivers/mtd
parent7165b8ad36f8bda42a5a8aa059b9a5071acc2210 (diff)
downloadop-kernel-dev-8043d25b3c0fa0a8f531333707f682f03b6febdb.zip
op-kernel-dev-8043d25b3c0fa0a8f531333707f682f03b6febdb.tar.gz
mtd: nand: tango: Reset pbus to raw mode in probe
Linux should not expect the boot loader to properly configure the peripheral bus "pad mode", so reset PBUS_PAD_MODE to raw. Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/nand/tango_nand.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mtd/nand/tango_nand.c b/drivers/mtd/nand/tango_nand.c
index 78a65f6..4a5e948 100644
--- a/drivers/mtd/nand/tango_nand.c
+++ b/drivers/mtd/nand/tango_nand.c
@@ -632,6 +632,8 @@ static int tango_nand_probe(struct platform_device *pdev)
if (IS_ERR(nfc->pbus_base))
return PTR_ERR(nfc->pbus_base);
+ writel_relaxed(MODE_RAW, nfc->pbus_base + PBUS_PAD_MODE);
+
clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(clk))
return PTR_ERR(clk);
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