From 5e3ce4b281d0dd6e154115662570c8a8ca420d97 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 16 Oct 2006 16:24:50 +0100 Subject: [PATCH] --- yaml --- r: 40172 b: refs/heads/master c: 8eb166bf805cc1c1d38d57211e8737631376b9ba h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/drivers/ata/libata-sff.c | 9 +++++++++ 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/[refs] b/[refs] index 79285d81e696..2e657d087232 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 12a87d36b3c5cb76a182c35f40d959a615d1c862 +refs/heads/master: 8eb166bf805cc1c1d38d57211e8737631376b9ba diff --git a/trunk/drivers/ata/libata-sff.c b/trunk/drivers/ata/libata-sff.c index 06daaa3736a2..7645f2b30ccf 100644 --- a/trunk/drivers/ata/libata-sff.c +++ b/trunk/drivers/ata/libata-sff.c @@ -981,6 +981,15 @@ int ata_pci_init_one (struct pci_dev *pdev, struct ata_port_info **port_info, mask = (1 << 2) | (1 << 0); if ((tmp8 & mask) != mask) legacy_mode = (1 << 3); +#if defined(CONFIG_NO_ATA_LEGACY) + /* Some platforms with PCI limits cannot address compat + port space. In that case we punt if their firmware has + left a device in compatibility mode */ + if (legacy_mode) { + printk(KERN_ERR "ata: Compatibility mode ATA is not supported on this platform, skipping.\n"); + return -EOPNOTSUPP; + } +#endif } rc = pci_request_regions(pdev, DRV_NAME);