Re: [PATCH] Add pci class code for SATA

From: Jeff Garzik
Date: Sun Jan 07 2007 - 21:29:54 EST


Conke Hu wrote:
or, pls see this one:
------------------------
diff -Nur linux-2.6.20-rc1.orig/drivers/ata/ahci.c
linux-2.6.20-rc1/drivers/ata/ahci.c
--- linux-2.6.20-rc1.orig/drivers/ata/ahci.c 2006-12-20 10:25:00.000000000 +0800
+++ linux-2.6.20-rc1/drivers/ata/ahci.c 2006-12-20 11:45:45.000000000 +0800
@@ -418,7 +418,7 @@

/* Generic, PCI class code for AHCI */
{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
- 0x010601, 0xffffff, board_ahci },
+ PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },

{ } /* terminate list */
};
@@ -1586,11 +1586,11 @@
speed_s = "?";

pci_read_config_word(pdev, 0x0a, &cc);
- if (cc == 0x0101)
+ if (cc == PCI_CLASS_STORAGE_IDE)
scc_s = "IDE";
- else if (cc == 0x0106)
+ else if (cc == PCI_CLASS_STORAGE_SATA)
scc_s = "SATA";
- else if (cc == 0x0104)
+ else if (cc == PCI_CLASS_STORAGE_RAID)
scc_s = "RAID";
else
scc_s = "unknown";
diff -Nur linux-2.6.20-rc1.orig/include/linux/pci_ids.h
linux-2.6.20-rc1/include/linux/pci_ids.h
--- linux-2.6.20-rc1.orig/include/linux/pci_ids.h 2006-12-20
10:24:51.000000000 +0800
+++ linux-2.6.20-rc1/include/linux/pci_ids.h 2006-12-20 11:45:07.000000000 +0800
@@ -15,6 +15,8 @@
#define PCI_CLASS_STORAGE_FLOPPY 0x0102
#define PCI_CLASS_STORAGE_IPI 0x0103
#define PCI_CLASS_STORAGE_RAID 0x0104
+#define PCI_CLASS_STORAGE_SATA 0x0106
+#define PCI_CLASS_STORAGE_SATA_AHCI 0x010601
#define PCI_CLASS_STORAGE_SAS 0x0107
#define PCI_CLASS_STORAGE_OTHER 0x0180


BTW, the 2 patches above are just my suggestion, not formal patch. If
either of them is acceptible, I will send out a formal patch. Thanks!

The above seems OK to me...

Jeff


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