From 11bcc5841ae6765e010a419bd6354b15ae4e1096 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 21 Jan 2020 20:03:10 +0100 Subject: [PATCH] mtd: rawnand: denali_dt: make the core clock optional 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 Tested-by: Marek Vasut # On SoCFPGA Arria V --- 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 0ce8132..b1e1498 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); -- 2.7.4