diff options
author | David Woodhouse <David.Woodhouse@intel.com> | 2010-05-10 14:32:46 +0100 |
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committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-05-10 14:32:46 +0100 |
commit | 0ae28a35bcb7984838acbf28bfba9c030f8b74f0 (patch) | |
tree | 4f449d929b5df9e126e839f388ff0fd2b52028a0 /drivers/net/arm/ks8695net.c | |
parent | 6f1f3d0ab5c3eeea9f04486481c25e9afdfa26c5 (diff) | |
parent | b57f95a38233a2e73b679bea4a5453a1cc2a1cc9 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/mtd/mtdcore.c
Pull in the bdi fixes and ARM platform changes that other outstanding
patches depend on.
Diffstat (limited to 'drivers/net/arm/ks8695net.c')
-rw-r--r-- | drivers/net/arm/ks8695net.c | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/drivers/net/arm/ks8695net.c b/drivers/net/arm/ks8695net.c index a1d4188c430b..84f8a8f73802 100644 --- a/drivers/net/arm/ks8695net.c +++ b/drivers/net/arm/ks8695net.c @@ -30,6 +30,7 @@ #include <linux/platform_device.h> #include <linux/irq.h> #include <linux/io.h> +#include <linux/slab.h> #include <asm/irq.h> @@ -449,11 +450,10 @@ ks8695_rx_irq(int irq, void *dev_id) } /** - * ks8695_rx - Receive packets called by NAPI poll method + * ks8695_rx - Receive packets called by NAPI poll method * @ksp: Private data for the KS8695 Ethernet - * @budget: The max packets would be receive + * @budget: Number of packets allowed to process */ - static int ks8695_rx(struct ks8695_priv *ksp, int budget) { struct net_device *ndev = ksp->ndev; @@ -461,7 +461,6 @@ static int ks8695_rx(struct ks8695_priv *ksp, int budget) int buff_n; u32 flags; int pktlen; - int last_rx_processed = -1; int received = 0; buff_n = ksp->next_rx_desc_read; @@ -471,6 +470,7 @@ static int ks8695_rx(struct ks8695_priv *ksp, int budget) cpu_to_le32(RDES_OWN)))) { rmb(); flags = le32_to_cpu(ksp->rx_ring[buff_n].status); + /* Found an SKB which we own, this means we * received a packet */ @@ -533,23 +533,18 @@ rx_failure: ksp->rx_ring[buff_n].status = cpu_to_le32(RDES_OWN); rx_finished: received++; - /* And note this as processed so we can start - * from here next time - */ - last_rx_processed = buff_n; buff_n = (buff_n + 1) & MAX_RX_DESC_MASK; - /*And note which RX descriptor we last did */ - if (likely(last_rx_processed != -1)) - ksp->next_rx_desc_read = - (last_rx_processed + 1) & - MAX_RX_DESC_MASK; } + + /* And note which RX descriptor we last did */ + ksp->next_rx_desc_read = buff_n; + /* And refill the buffers */ ks8695_refill_rxbuffers(ksp); - /* Kick the RX DMA engine, in case it became - * suspended */ + /* Kick the RX DMA engine, in case it became suspended */ ks8695_writereg(ksp, KS8695_DRSC, 0); + return received; } |