redonkable/alistair23-linux
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mtd: nand: tango: Reset pbus to raw mode in probe

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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>
This commit is contained in:
Marc Gonzalez 2017-01-03 11:01:14 +01:00 committed by Boris Brezillon
parent 7165b8ad36
commit 8043d25b3c
1 changed files with 2 additions and 0 deletions
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2
drivers/mtd/nand/tango_nand.c
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@ -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);