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| author | Michael Barkowski <michael.barkowski@freescale.com> | 2007-04-13 01:26:15 -0500 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-04-28 11:01:04 -0400 |
| commit | 7563907eb8aad8f15b6a39fa6d863c091d83ef48 (patch) | |
| tree | 6fc5b8f2f5c0bd7845cefba8352cad7b2b84deda /drivers/net/ucc_geth.c | |
| parent | 702ff12ce7e9643084232a8d50b0b1eec26026ae (diff) | |
| download | op-kernel-dev-7563907eb8aad8f15b6a39fa6d863c091d83ef48.zip op-kernel-dev-7563907eb8aad8f15b6a39fa6d863c091d83ef48.tar.gz | |
ucc_geth: Fix interrupt coalescing size and alignment
The rx interrupt coalescing table alignment was "guessed" to be 4,
but should be 64. The size should be 8 * number of queues + 4.
Verified in the MPC8323E manual.
Signed-off-by: Michael Barkowski <Michael.Barkowski@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/ucc_geth.c')
| -rw-r--r-- | drivers/net/ucc_geth.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index 60be1e7..1a16ab2 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -2958,8 +2958,8 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) /* Size varies with number of Rx queues */ ugeth->rx_irq_coalescing_tbl_offset = qe_muram_alloc(ug_info->numQueuesRx * - sizeof(struct ucc_geth_rx_interrupt_coalescing_entry), - UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT); + sizeof(struct ucc_geth_rx_interrupt_coalescing_entry) + + 4, UCC_GETH_RX_INTERRUPT_COALESCING_ALIGNMENT); if (IS_MURAM_ERR(ugeth->rx_irq_coalescing_tbl_offset)) { ugeth_err ("%s: Can not allocate DPRAM memory for" |
