Commit 780da7f1 authored by Marek Vasut's avatar Marek Vasut Committed by Stephen Boyd
Browse files

clk: rs9: Limit check to vendor ID in VID register 



Extract only vendor ID from VID register, the top 4 bits are
revision ID which are not useful for the vendor ID check.

Reviewed-by: default avatarBiju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: default avatarMarek Vasut <marek.vasut+renesas@mailbox.org>
Link: https://lore.kernel.org/r/20231113221949.111964-2-marek.vasut+renesas@mailbox.org


Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent ff1b5154

drivers/clk/clk-renesas-pcie.c

+2 −0
Original line number Diff line number Diff line
@@ -42,6 +42,7 @@ 
#define RS9_REG_DID				0x6

#define RS9_REG_BCP				0x7



#define RS9_REG_VID_MASK			GENMASK(3, 0)

#define RS9_REG_VID_IDT				0x01



#define RS9_REG_DID_TYPE_FGV			(0x0 << RS9_REG_DID_TYPE_SHIFT)
@@ -333,6 +334,7 @@ static int rs9_probe(struct i2c_client *client) 
	if (ret < 0)

		return ret;



	vid &= RS9_REG_VID_MASK;

	if (vid != RS9_REG_VID_IDT || did != rs9->chip_info->did)

		return dev_err_probe(&client->dev, -ENODEV,

				     "Incorrect VID/DID: %#02x, %#02x. Expected %#02x, %#02x\n",