From: Stephen Hemminger <shemminger@linux-foundation.org>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: netdev@vger.kernel.org
Subject: [PATCH 10/12] sky2: use upper_32_bits() macro
Date: Mon, 09 Jul 2007 15:33:42 -0700 [thread overview]
Message-ID: <20070709223453.559682936@linux-foundation.org> (raw)
In-Reply-To: 20070709223332.966231494@linux-foundation.org
[-- Attachment #1: sky2-high32.patch --]
[-- Type: text/plain, Size: 2045 bytes --]
Use upper_32_bits() inline
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
--- a/drivers/net/sky2.c 2007-07-09 15:30:13.000000000 -0700
+++ b/drivers/net/sky2.c 2007-07-09 15:30:14.000000000 -0700
@@ -893,24 +893,18 @@ static inline struct sky2_rx_le *sky2_ne
return le;
}
-/* Return high part of DMA address (could be 32 or 64 bit) */
-static inline u32 high32(dma_addr_t a)
-{
- return sizeof(a) > sizeof(u32) ? (a >> 16) >> 16 : 0;
-}
-
/* Build description to hardware for one receive segment */
static void sky2_rx_add(struct sky2_port *sky2, u8 op,
dma_addr_t map, unsigned len)
{
struct sky2_rx_le *le;
- u32 hi = high32(map);
+ u32 hi = upper_32_bits(map);
if (sky2->rx_addr64 != hi) {
le = sky2_next_rx(sky2);
le->addr = cpu_to_le32(hi);
le->opcode = OP_ADDR64 | HW_OWNER;
- sky2->rx_addr64 = high32(map + len);
+ sky2->rx_addr64 = upper_32_bits(map + len);
}
le = sky2_next_rx(sky2);
@@ -1424,14 +1418,15 @@ static int sky2_xmit_frame(struct sk_buf
len = skb_headlen(skb);
mapping = pci_map_single(hw->pdev, skb->data, len, PCI_DMA_TODEVICE);
- addr64 = high32(mapping);
+ addr64 = upper_32_bits(mapping);
/* Send high bits if changed or crosses boundary */
- if (addr64 != sky2->tx_addr64 || high32(mapping + len) != sky2->tx_addr64) {
+ if (addr64 != sky2->tx_addr64 ||
+ upper_32_bits(mapping + len) != sky2->tx_addr64) {
le = get_tx_le(sky2);
le->addr = cpu_to_le32(addr64);
le->opcode = OP_ADDR64 | HW_OWNER;
- sky2->tx_addr64 = high32(mapping + len);
+ sky2->tx_addr64 = upper_32_bits(mapping + len);
}
/* Check for TCP Segmentation Offload */
@@ -1511,7 +1506,7 @@ static int sky2_xmit_frame(struct sk_buf
mapping = pci_map_page(hw->pdev, frag->page, frag->page_offset,
frag->size, PCI_DMA_TODEVICE);
- addr64 = high32(mapping);
+ addr64 = upper_32_bits(mapping);
if (addr64 != sky2->tx_addr64) {
le = get_tx_le(sky2);
le->addr = cpu_to_le32(addr64);
--
Stephen Hemminger <shemminger@linux-foundation.org>
next prev parent reply other threads:[~2007-07-09 22:45 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-09 22:33 [PATCH 00/12] sky2 driver updates for 2.6.23 Stephen Hemminger
2007-07-09 22:33 ` [PATCH 01/12] sky2: restore workarounds for lost interrupts Stephen Hemminger
2007-07-10 16:24 ` Jeff Garzik
2007-07-09 22:33 ` [PATCH 02/12] sky2: carrier management Stephen Hemminger
2007-07-09 22:33 ` [PATCH 03/12] sky2: debug interface Stephen Hemminger
2007-07-09 22:33 ` [PATCH 04/12] sky2: check for more work before leaving NAPI Stephen Hemminger
2007-07-09 22:33 ` [PATCH 05/12] sky2: receive fill Stephen Hemminger
2007-07-09 22:33 ` [PATCH 06/12] sky2: unmark as EXPERIMENTAL Stephen Hemminger
2007-07-09 22:33 ` [PATCH 07/12] sky2: add support for read/write of EEPROM Stephen Hemminger
2007-07-09 22:33 ` [PATCH 08/12] sky2: check drop truncated packets Stephen Hemminger
2007-07-09 22:33 ` [PATCH 09/12] sky2: use roundup() macro Stephen Hemminger
2007-07-09 22:33 ` Stephen Hemminger [this message]
2007-07-09 22:33 ` [PATCH 11/12] sky2: remove some leftover debug messages Stephen Hemminger
2007-07-09 22:33 ` [PATCH 12/12] sky2: 1.16 version Stephen Hemminger
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070709223453.559682936@linux-foundation.org \
--to=shemminger@linux-foundation.org \
--cc=jgarzik@pobox.com \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.