mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: "Matti Linnanvuori" <mattilinn@gmail.com>
To: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
	linux-kernel@vger.kernel.org
Subject: [patch] x86: add compilation checks to pci_unmap_ macros
Date: Sun, 29 Jun 2008 09:22:43 +0300	[thread overview]
Message-ID: <ca0148c30806282322u51cf8ecct700f442466b58ee4@mail.gmail.com> (raw)

From: Matti Linnanvuori <mattilinnanvuori@yahoo.com>

Add compilation checks to pci_unmap_ macros.

Signed-off-by: Matti Linnanvuori <mattilinnanvuori@yahoo.com>

---

--- a/include/asm-x86/pci_32.h	2008-06-29 08:15:20.129045000 +0300
+++ b/include/asm-x86/pci_32.h	2008-06-29 09:03:29.623927000 +0300
@@ -18,12 +18,14 @@ struct pci_dev;
 #define PCI_DMA_BUS_IS_PHYS	(1)

 /* pci_unmap_{page,single} is a nop so... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
-#define pci_unmap_addr(PTR, ADDR_NAME)		(0)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)	do { } while (0)
-#define pci_unmap_len(PTR, LEN_NAME)		(0)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)	do { } while (0)
+#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)	dma_addr_t ADDR_NAME[0];
+#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)	unsigned LEN_NAME[0];
+#define pci_unmap_addr(PTR, ADDR_NAME)	sizeof((PTR)->ADDR_NAME)
+#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \
+	do { break; } while (pci_unmap_addr(PTR, ADDR_NAME))
+#define pci_unmap_len(PTR, LEN_NAME)		sizeof((PTR)->LEN_NAME)
+#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
+	do { break; } while (pci_unmap_len(PTR, LEN_NAME))


 #endif /* __KERNEL__ */

             reply	other threads:[~2008-06-29  6:22 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-29  6:22 Matti Linnanvuori [this message]
2008-06-29 12:52 ` Jan Engelhardt
2008-06-30  6:34   ` Matti Linnanvuori
2008-06-30 10:18   ` Ingo Molnar
2008-06-30 10:23 ` Ingo Molnar

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=ca0148c30806282322u51cf8ecct700f442466b58ee4@mail.gmail.com \
    --to=mattilinn@gmail.com \
    --cc=hpa@zytor.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=tglx@linutronix.de \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®