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authorTakashi Iwai <tiwai@suse.de>2012-08-20 21:26:04 +0200
committerTakashi Iwai <tiwai@suse.de>2012-08-20 21:26:04 +0200
commitf0b433e9f362e0b7f0ce7d1489dd7feba068605d (patch)
treed4bfd9489cf4a96a55d83af20919f477a846d585 /drivers/net/ethernet/intel/e100.c
parentMerge branch 'topic/ca0132-fix' into for-linus (diff)
parentASoC: wm9712: Fix inverted capture volume (diff)
downloadlinux-f0b433e9f362e0b7f0ce7d1489dd7feba068605d.tar.xz
linux-f0b433e9f362e0b7f0ce7d1489dd7feba068605d.zip
Merge tag 'asoc-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Additional updates for 3.6 A batch more bugfixes, all driver-specific and fairly small and unremarkable in a global context. The biggest batch are for the newly added Arizona drivers.
Diffstat (limited to 'drivers/net/ethernet/intel/e100.c')
-rw-r--r--drivers/net/ethernet/intel/e100.c40
1 files changed, 31 insertions, 9 deletions
diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c
index ada720b42ff6..535f94fac4a1 100644
--- a/drivers/net/ethernet/intel/e100.c
+++ b/drivers/net/ethernet/intel/e100.c
@@ -1249,20 +1249,35 @@ static const struct firmware *e100_request_firmware(struct nic *nic)
const struct firmware *fw = nic->fw;
u8 timer, bundle, min_size;
int err = 0;
+ bool required = false;
/* do not load u-code for ICH devices */
if (nic->flags & ich)
return NULL;
- /* Search for ucode match against h/w revision */
- if (nic->mac == mac_82559_D101M)
+ /* Search for ucode match against h/w revision
+ *
+ * Based on comments in the source code for the FreeBSD fxp
+ * driver, the FIRMWARE_D102E ucode includes both CPUSaver and
+ *
+ * "fixes for bugs in the B-step hardware (specifically, bugs
+ * with Inline Receive)."
+ *
+ * So we must fail if it cannot be loaded.
+ *
+ * The other microcode files are only required for the optional
+ * CPUSaver feature. Nice to have, but no reason to fail.
+ */
+ if (nic->mac == mac_82559_D101M) {
fw_name = FIRMWARE_D101M;
- else if (nic->mac == mac_82559_D101S)
+ } else if (nic->mac == mac_82559_D101S) {
fw_name = FIRMWARE_D101S;
- else if (nic->mac == mac_82551_F || nic->mac == mac_82551_10)
+ } else if (nic->mac == mac_82551_F || nic->mac == mac_82551_10) {
fw_name = FIRMWARE_D102E;
- else /* No ucode on other devices */
+ required = true;
+ } else { /* No ucode on other devices */
return NULL;
+ }
/* If the firmware has not previously been loaded, request a pointer
* to it. If it was previously loaded, we are reinitializing the
@@ -1273,10 +1288,17 @@ static const struct firmware *e100_request_firmware(struct nic *nic)
err = request_firmware(&fw, fw_name, &nic->pdev->dev);
if (err) {
- netif_err(nic, probe, nic->netdev,
- "Failed to load firmware \"%s\": %d\n",
- fw_name, err);
- return ERR_PTR(err);
+ if (required) {
+ netif_err(nic, probe, nic->netdev,
+ "Failed to load firmware \"%s\": %d\n",
+ fw_name, err);
+ return ERR_PTR(err);
+ } else {
+ netif_info(nic, probe, nic->netdev,
+ "CPUSaver disabled. Needs \"%s\": %d\n",
+ fw_name, err);
+ return NULL;
+ }
}
/* Firmware should be precisely UCODE_SIZE (words) plus three bytes