From: Masahiro Yamada Masahiro Yamada yamada.masahiro@socionext.com

The "nand_x" and "ecc" clocks are currently optional. Make the core clock optional in the same way. This will allow platforms with no clock driver support to use this driver.

Signed-off-by: Masahiro Yamada Masahiro Yamada yamada.masahiro@socionext.com Signed-off-by: Masahiro Yamada yamada.masahiro@socionext.com ---

drivers/mtd/nand/raw/denali_dt.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/nand/raw/denali_dt.c b/drivers/mtd/nand/raw/denali_dt.c index 0ce81324b90e..b1e14982c443 100644 --- a/drivers/mtd/nand/raw/denali_dt.c +++ b/drivers/mtd/nand/raw/denali_dt.c @@ -91,7 +91,7 @@ static int denali_dt_probe(struct udevice *dev) if (ret) ret = clk_get_by_index(dev, 0, &clk); if (ret) - return ret; + clk.dev = NULL;

ret = clk_get_by_name(dev, "nand_x", &clk_x); if (ret) @@ -101,9 +101,11 @@ static int denali_dt_probe(struct udevice *dev) if (ret) clk_ecc.dev = NULL;

- ret = clk_enable(&clk); - if (ret) - return ret; + if (clk.dev) { + ret = clk_enable(&clk); + if (ret) + return ret; + }

if (clk_x.dev) { ret = clk_enable(&clk_x);