eni: fix driver remove function and driver probe error path.

- add eni_do_release() to balance eni_do_init
- turn the zeroes DMA area into a per device data

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/atm/eni.h b/drivers/atm/eni.h
index dc9a62cc2605..565e53a5cb78 100644
--- a/drivers/atm/eni.h
+++ b/drivers/atm/eni.h
@@ -72,6 +72,7 @@ struct eni_dev {
         u32 events;                     /* pending events */
         /*-------------------------------- base pointers into Midway address
                                            space */
+        void __iomem *ioaddr;
         void __iomem *phy;              /* PHY interface chip registers */
         void __iomem *reg;              /* register base */
         void __iomem *ram;              /* RAM base */
@@ -86,6 +87,10 @@ struct eni_dev {
         wait_queue_head_t tx_wait;      /* for close */
         int tx_bw;                      /* remaining bandwidth */
         u32 dma[TX_DMA_BUF*2];          /* DMA request scratch area */
+        struct eni_zero {               /* aligned "magic" zeroes */
+                u32 *addr;
+                dma_addr_t dma;
+        } zero;
         int tx_mult;                    /* buffer size multiplier (percent) */
         /*-------------------------------- RX part */
         u32 serv_read;                  /* host service read index */