| Message ID | 20231111160806.32954-2-marek.vasut+renesas@mailbox.org (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | [v2,1/4] dt-bindings: clk: rs9: Add 9FGV0841 | expand |
Hi Marek Vasut, Thanks for the patch. > Subject: [PATCH v2 2/4] 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. > > Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org> Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com> Cheers, Biju > --- > Cc: Alexander Stein <alexander.stein@ew.tq-group.com> > Cc: Conor Dooley <conor+dt@kernel.org> > Cc: Geert Uytterhoeven <geert+renesas@glider.be> > Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org> > Cc: Michael Turquette <mturquette@baylibre.com> > Cc: Rob Herring <robh+dt@kernel.org> > Cc: Stephen Boyd <sboyd@kernel.org> > Cc: devicetree@vger.kernel.org > Cc: linux-clk@vger.kernel.org > Cc: linux-renesas-soc@vger.kernel.org > --- > V2: Split off patch from 4/4 > --- > drivers/clk/clk-renesas-pcie.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/clk/clk-renesas-pcie.c b/drivers/clk/clk-renesas- > pcie.c index 6606aba253c5..b5c430e4899c 100644 > --- a/drivers/clk/clk-renesas-pcie.c > +++ b/drivers/clk/clk-renesas-pcie.c > @@ -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", > -- > 2.42.0
diff --git a/drivers/clk/clk-renesas-pcie.c b/drivers/clk/clk-renesas-pcie.c index 6606aba253c5..b5c430e4899c 100644 --- a/drivers/clk/clk-renesas-pcie.c +++ b/drivers/clk/clk-renesas-pcie.c @@ -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",
Extract only vendor ID from VID register, the top 4 bits are revision ID which are not useful for the vendor ID check. Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org> --- Cc: Alexander Stein <alexander.stein@ew.tq-group.com> Cc: Conor Dooley <conor+dt@kernel.org> Cc: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org> Cc: Michael Turquette <mturquette@baylibre.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Stephen Boyd <sboyd@kernel.org> Cc: devicetree@vger.kernel.org Cc: linux-clk@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org --- V2: Split off patch from 4/4 --- drivers/clk/clk-renesas-pcie.c | 2 ++ 1 file changed, 2 insertions(+)