diff mbox series

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

Message ID 20230425082933.84654-25-arinc.unal@arinc9.com (mailing list archive)
State Deferred
Delegated to: Netdev Maintainers
Headers show
Series net: dsa: MT7530, MT7531, and MT7988 improvements | expand

Checks

Context Check Description
netdev/series_format fail Series longer than 15 patches (and no cover letter)
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 8 this patch: 8
netdev/cc_maintainers success CCed 16 of 16 maintainers
netdev/build_clang success Errors and warnings before: 8 this patch: 8
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 8 this patch: 8
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 9 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Arınç ÜNAL April 25, 2023, 8:29 a.m. UTC 
From: Arınç ÜNAL <arinc.unal@arinc9.com>

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 mbox series

Patch

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,