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mtd: rawnand: denali_dt: make the core clock optional

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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 <yamada.masahiro@socionext.com>
Tested-by: Marek Vasut <marex@denx.de> # On SoCFPGA Arria V
This commit is contained in:
Masahiro Yamada 2020-01-21 20:03:10 +01:00
parent 33672c970b
commit 11bcc5841a
1 changed files with 6 additions and 4 deletions
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10
drivers/mtd/nand/raw/denali_dt.c
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@ -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);