diff options
| author | Ashutosh Dixit <ashutosh.dixit@intel.com> | 2013-11-27 17:58:42 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-11-27 20:03:38 +0100 |
| commit | 173c07278763850bfee57eec442dce38855d6f13 (patch) | |
| tree | 99b27efc221e586ae8fc6f9fcd194932c9d4de0e /drivers/misc/mic/host | |
| parent | misc: mic: Fix user space namespace pollution from mic_common.h. (diff) | |
| download | linux-173c07278763850bfee57eec442dce38855d6f13.tar.xz linux-173c07278763850bfee57eec442dce38855d6f13.zip | |
misc: mic: Fix endianness issues.
Endianness issues are now consistent as per the documentation in
host/mic_virtio.h. Sparse warnings related to endianness are also fixed.
Note that the MIC driver implementation assumes that the host can be
both BE or LE whereas the card is always LE.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Reviewed-by: Sudeep Dutt <sudeep.dutt@intel.com>
Reviewed-by: Nikhil Rao <nikhil.rao@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mic/host')
| -rw-r--r-- | drivers/misc/mic/host/mic_boot.c | 2 | ||||
| -rw-r--r-- | drivers/misc/mic/host/mic_virtio.c | 14 | ||||
| -rw-r--r-- | drivers/misc/mic/host/mic_x100.c | 4 |
3 files changed, 10 insertions, 10 deletions
diff --git a/drivers/misc/mic/host/mic_boot.c b/drivers/misc/mic/host/mic_boot.c index 7558d9186438..b75c6b5cc20f 100644 --- a/drivers/misc/mic/host/mic_boot.c +++ b/drivers/misc/mic/host/mic_boot.c @@ -62,7 +62,7 @@ void mic_bootparam_init(struct mic_device *mdev) { struct mic_bootparam *bootparam = mdev->dp; - bootparam->magic = MIC_MAGIC; + bootparam->magic = cpu_to_le32(MIC_MAGIC); bootparam->c2h_shutdown_db = mdev->shutdown_db; bootparam->h2c_shutdown_db = -1; bootparam->h2c_config_db = -1; diff --git a/drivers/misc/mic/host/mic_virtio.c b/drivers/misc/mic/host/mic_virtio.c index efe8da4401e9..453d7409da9c 100644 --- a/drivers/misc/mic/host/mic_virtio.c +++ b/drivers/misc/mic/host/mic_virtio.c @@ -293,8 +293,8 @@ static void mic_virtio_init_post(struct mic_vdev *mvdev) continue; } mvdev->mvr[i].vrh.vring.used = - mvdev->mdev->aper.va + - le64_to_cpu(vqconfig[i].used_address); + mvdev->mdev->aper.va + + le64_to_cpu(vqconfig[i].used_address); } mvdev->dc->used_address_updated = 0; @@ -525,6 +525,7 @@ int mic_virtio_add_device(struct mic_vdev *mvdev, char irqname[10]; struct mic_bootparam *bootparam = mdev->dp; u16 num; + dma_addr_t vr_addr; mutex_lock(&mdev->mic_mutex); @@ -559,17 +560,16 @@ int mic_virtio_add_device(struct mic_vdev *mvdev, } vr->len = vr_size; vr->info = vr->va + vring_size(num, MIC_VIRTIO_RING_ALIGN); - vr->info->magic = MIC_MAGIC + mvdev->virtio_id + i; - vqconfig[i].address = mic_map_single(mdev, - vr->va, vr_size); - if (mic_map_error(vqconfig[i].address)) { + vr->info->magic = cpu_to_le32(MIC_MAGIC + mvdev->virtio_id + i); + vr_addr = mic_map_single(mdev, vr->va, vr_size); + if (mic_map_error(vr_addr)) { free_pages((unsigned long)vr->va, get_order(vr_size)); ret = -ENOMEM; dev_err(mic_dev(mvdev), "%s %d err %d\n", __func__, __LINE__, ret); goto err; } - vqconfig[i].address = cpu_to_le64(vqconfig[i].address); + vqconfig[i].address = cpu_to_le64(vr_addr); vring_init(&vr->vr, num, vr->va, MIC_VIRTIO_RING_ALIGN); ret = vringh_init_kern(&mvr->vrh, diff --git a/drivers/misc/mic/host/mic_x100.c b/drivers/misc/mic/host/mic_x100.c index 81e9541b784c..0dfa8a81436e 100644 --- a/drivers/misc/mic/host/mic_x100.c +++ b/drivers/misc/mic/host/mic_x100.c @@ -397,8 +397,8 @@ mic_x100_load_ramdisk(struct mic_device *mdev) * so copy over the ramdisk @ 128M. */ memcpy_toio(mdev->aper.va + (mdev->bootaddr << 1), fw->data, fw->size); - iowrite32(cpu_to_le32(mdev->bootaddr << 1), &bp->hdr.ramdisk_image); - iowrite32(cpu_to_le32(fw->size), &bp->hdr.ramdisk_size); + iowrite32(mdev->bootaddr << 1, &bp->hdr.ramdisk_image); + iowrite32(fw->size, &bp->hdr.ramdisk_size); release_firmware(fw); error: return rc; |