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5ceaeb99ff
This patches fixes few issues in mv88e6390x_port_set_cmode().
1. When entering the function the old cmode may be 0, in this case
mv88e6390x_serdes_get_lane() returns -ENODEV. As result we bail
out and have no chance to set a new mode. Therefore deal properly
with -ENODEV.
2. Once we have disabled power and irq, let's set the cached cmode to 0.
This reflects the actual status and is cleaner if we bail out with an
error in the following function calls.
3. The cached cmode is used by mv88e6390x_serdes_get_lane(),
mv88e6390_serdes_power_lane() and mv88e6390_serdes_irq_enable().
Currently we set the cached mode to the new one at the very end of
the function only, means until then we use the old one what may be
wrong.
4. When calling mv88e6390_serdes_irq_enable() we use the lane value
belonging to the old cmode. Get the lane belonging to the new cmode
before calling this function.
It's hard to provide a good "Fixes" tag because quite a few smaller
changes have been done to the code in question recently.
Fixes:
|
||
|---|---|---|
| .. | ||
| b53 | ||
| microchip | ||
| mv88e6xxx | ||
| bcm_sf2_cfp.c | ||
| bcm_sf2_regs.h | ||
| bcm_sf2.c | ||
| bcm_sf2.h | ||
| dsa_loop_bdinfo.c | ||
| dsa_loop.c | ||
| dsa_loop.h | ||
| Kconfig | ||
| lan9303_i2c.c | ||
| lan9303_mdio.c | ||
| lan9303-core.c | ||
| lan9303.h | ||
| lantiq_gswip.c | ||
| lantiq_pce.h | ||
| Makefile | ||
| mt7530.c | ||
| mt7530.h | ||
| mv88e6060.c | ||
| mv88e6060.h | ||
| qca8k.c | ||
| qca8k.h | ||
| realtek-smi.c | ||
| realtek-smi.h | ||
| rtl8366.c | ||
| rtl8366rb.c | ||
| vitesse-vsc73xx.c | ||