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authorBen Hutchings <ben@decadent.org.uk>2013-07-01 00:13:27 +0100
committerDavid S. Miller <davem@davemloft.net>2013-07-01 23:47:33 -0700
commit15627e847e4356ebdd49e7c3f10a671819995be6 (patch)
tree1f6e88ec2d8396611055b61e5b256b6b4bc1ee81 /drivers/net
parentd8eb8f9963a55ccf6ebafa4bfdb9f70c17067825 (diff)
cassini: Make missing firmware non-fatal
The firmware patch for the Saturn PHY fixes a bug, but is not absolutely essential. And its licence is unclear, so it is not included in all distributions. Just log an error message and continue if it is missing or invalid. References: http://bugs.debian.org/712674 Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Tested-by: Jose Andres Arias Velichko <Andres.Arias@PaisLinux.net> (against 3.2) Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/sun/cassini.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c
index 4c682a3d042..759441b29e5 100644
--- a/drivers/net/ethernet/sun/cassini.c
+++ b/drivers/net/ethernet/sun/cassini.c
@@ -808,44 +808,43 @@ static int cas_reset_mii_phy(struct cas *cp)
return limit <= 0;
}
-static int cas_saturn_firmware_init(struct cas *cp)
+static void cas_saturn_firmware_init(struct cas *cp)
{
const struct firmware *fw;
const char fw_name[] = "sun/cassini.bin";
int err;
if (PHY_NS_DP83065 != cp->phy_id)
- return 0;
+ return;
err = request_firmware(&fw, fw_name, &cp->pdev->dev);
if (err) {
pr_err("Failed to load firmware \"%s\"\n",
fw_name);
- return err;
+ return;
}
if (fw->size < 2) {
pr_err("bogus length %zu in \"%s\"\n",
fw->size, fw_name);
- err = -EINVAL;
goto out;
}
cp->fw_load_addr= fw->data[1] << 8 | fw->data[0];
cp->fw_size = fw->size - 2;
cp->fw_data = vmalloc(cp->fw_size);
- if (!cp->fw_data) {
- err = -ENOMEM;
+ if (!cp->fw_data)
goto out;
- }
memcpy(cp->fw_data, &fw->data[2], cp->fw_size);
out:
release_firmware(fw);
- return err;
}
static void cas_saturn_firmware_load(struct cas *cp)
{
int i;
+ if (!cp->fw_data)
+ return;
+
cas_phy_powerdown(cp);
/* expanded memory access mode */
@@ -5083,8 +5082,7 @@ static int cas_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (cas_check_invariants(cp))
goto err_out_iounmap;
if (cp->cas_flags & CAS_FLAG_SATURN)
- if (cas_saturn_firmware_init(cp))
- goto err_out_iounmap;
+ cas_saturn_firmware_init(cp);
cp->init_block = (struct cas_init_block *)
pci_alloc_consistent(pdev, sizeof(struct cas_init_block),