[PATCH net-next 24/24] net: dsa: mt7530: run mt7530_pll_setup() only with 40 MHz XTAL

arinc9.unal
2023-04-25T08:33:32Z

The code on mt7530_pll_setup() needs to be run only on the MT7530 switch
with a 40 MHz oscillator. Introduce a check to do this.

Link: https://github.com/BPI-SINOVOIP/BPI-R2-bsp/blob/4a5dd143f2172ec97a2872fa29c7c4cd520f45b5/linux-mt/drivers/net/ethernet/mediatek/gsw_mt7623.c#L1039
Tested-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
---
drivers/net/dsa/mt7530.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 62e55df273cc..e079b45fad07 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -2206,7 +2206,8 @@ mt7530_setup(struct dsa_switch *ds)
SYS_CTRL_PHY_RST | SYS_CTRL_SW_RST |
SYS_CTRL_REG_RST);

- mt7530_pll_setup(priv);
+ if (xtal == HWTRAP_XTAL_40MHZ)
+ mt7530_pll_setup(priv);

/* Lower P5 RGMII Tx driving, 8mA */
mt7530_write(priv, MT7530_IO_DRV_CR,
--
2.37.2