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Maciej W. Rozycki 6daf653103 PHYLIB: fix an interrupt loop potential when halting ... Ensure the PHY_HALTED state is not entered with the IRQ asserted as it could lead to an interrupt loop. There is a small window in phy_stop(), where the state of the PHY machine indicates it has been halted, but its interrupt output might still be unmasked. If an interrupt goes active right at this moment it will loop as the phy_interrupt() handler exits immediately with IRQ_NONE if the halted state is seen. It is unsafe to extend the phydev spinlock to cover phy_interrupt(). It is safe to swap the order of the actions though as all the competing places to unmask the interrupt output of the PHY, which are phy_change() and phy_timer() are already covered with the lock as is the sequence in question. Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org> Cc: Andy Fleming <afleming@freescale.com> Cc: Jeff Garzik <jgarzik@pobox.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>		18 years ago
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Kconfig	…
Makefile	phylib: add the ICPlus IP175C PHY driver	18 years ago
broadcom.c	…
cicada.c	…
davicom.c	…
fixed.c	…
icplus.c	…
lxt.c	…
marvell.c	…
mdio_bus.c	…
phy.c	PHYLIB: fix an interrupt loop potential when halting	18 years ago
phy_device.c	…
qsemi.c	…
smsc.c	…
vitesse.c	…