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net: dsa: mv88e6xxx: Allow external SMI if serial

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p0_mode set to one of the supported serial mode should not prevent
configuring the external SMI interface in
mv88e6xxx_g2_scratch_gpio_set_smi. The current masking of the p0_mode
only checks the first 2 bits. This results in switches supporting
serial mode cannot setup external SMI on certain serial modes
(Ex: 1000BASE-X and SGMII).

Extend the mask of the p0_mode to include the reduced modes and
serial modes as allowed modes for the external SMI interface.

Signed-off-by: Marcus Carlberg <marcus.carlberg@axis.com>
Link: https://lore.kernel.org/r/20220824093706.19049-1-marcus.carlberg@axis.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Marcus Carlberg 2022-08-24 11:37:06 +02:00 committed by Jakub Kicinski
parent 8f1948bdcf
commit 8532c60efc
1 changed files with 1 additions and 1 deletions
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2
drivers/net/dsa/mv88e6xxx/global2.h
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@ -298,7 +298,7 @@
#define MV88E6352_G2_SCRATCH_CONFIG_DATA1 0x71
#define MV88E6352_G2_SCRATCH_CONFIG_DATA1_NO_CPU BIT(2)
#define MV88E6352_G2_SCRATCH_CONFIG_DATA2 0x72
#define MV88E6352_G2_SCRATCH_CONFIG_DATA2_P0_MODE_MASK 0x3
#define MV88E6352_G2_SCRATCH_CONFIG_DATA2_P0_MODE_MASK 0xf
#define MV88E6352_G2_SCRATCH_CONFIG_DATA3 0x73
#define MV88E6352_G2_SCRATCH_CONFIG_DATA3_S_SEL BIT(1)