gianfar: Replace spin_event_timeout() with arch independent

Use arch independent code to replace the powerpc dependent
spin_event_timeout() from gfar_halt_nodisable().
Added GRS/GTS read accessors to clean-up the implementation
of gfar_halt_nodisable().

Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Claudiu Manoil
2014-10-07 10:44:34 +03:00
committed by David S. Miller
parent 83bfc3c476
commit a4feee89ce
2 changed files with 34 additions and 13 deletions

View File

@@ -1226,6 +1226,21 @@ static inline void gfar_write_isrg(struct gfar_private *priv)
}
}
static inline int gfar_is_dma_stopped(struct gfar_private *priv)
{
struct gfar __iomem *regs = priv->gfargrp[0].regs;
return ((gfar_read(&regs->ievent) & (IEVENT_GRSC | IEVENT_GTSC)) ==
(IEVENT_GRSC | IEVENT_GTSC));
}
static inline int gfar_is_rx_dma_stopped(struct gfar_private *priv)
{
struct gfar __iomem *regs = priv->gfargrp[0].regs;
return gfar_read(&regs->ievent) & IEVENT_GRSC;
}
irqreturn_t gfar_receive(int irq, void *dev_id);
int startup_gfar(struct net_device *dev);
void stop_gfar(struct net_device *dev);