diff options
| author |   Ivan Vecera <ivecera@redhat.com> | 2015-05-28 23:10:06 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-05-30 23:46:30 -0700 |
| commit | e236b954232808001f522c4b79df97b8c9262a4a (patch) | |
| tree | debc3abe60d9ee8a7c48141b44bf7c8cd2b81d67 /drivers/net/ethernet/brocade | |
| parent | Merge tag 'mac80211-for-davem-2015-05-28' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 (diff) | |
| download | linux-dev-e236b954232808001f522c4b79df97b8c9262a4a.tar.xz linux-dev-e236b954232808001f522c4b79df97b8c9262a4a.zip | |
bna: fix firmware loading on big-endian machines
Firmware required by bna is stored in appropriate files as sequence
of LE32 integers. After loading by request_firmware() they need to be
byte-swapped on big-endian arches. Without this conversion the NIC
is unusable on big-endian machines.
Cc: Rasesh Mody <rasesh.mody@qlogic.com>
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/brocade')
| -rw-r--r-- | drivers/net/ethernet/brocade/bna/cna_fwimg.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/brocade/bna/cna_fwimg.c b/drivers/net/ethernet/brocade/bna/cna_fwimg.c index ebf462d8082f..badea368bdc8 100644 --- a/drivers/net/ethernet/brocade/bna/cna_fwimg.c +++ b/drivers/net/ethernet/brocade/bna/cna_fwimg.c @@ -30,6 +30,7 @@ cna_read_firmware(struct pci_dev *pdev, u32 **bfi_image, u32 *bfi_image_size, char *fw_name) { const struct firmware *fw; + u32 n; if (request_firmware(&fw, fw_name, &pdev->dev)) { pr_alert("Can't locate firmware %s\n", fw_name); @@ -40,6 +41,12 @@ cna_read_firmware(struct pci_dev *pdev, u32 **bfi_image, *bfi_image_size = fw->size/sizeof(u32); bfi_fw = fw; + /* Convert loaded firmware to host order as it is stored in file + * as sequence of LE32 integers. + */ + for (n = 0; n < *bfi_image_size; n++) + le32_to_cpus(*bfi_image + n); + return *bfi_image; error: return NULL; |