diff options
| author | Vamsi Attunuru <vattunuru@marvell.com> | 2026-02-24 12:52:24 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2026-06-10 09:17:00 +0300 |
| commit | d42eadf7969e2217fceb84317d3fd28a7bdbd96e (patch) | |
| tree | c7d5cf49336fa70b0201ed54cee9b969ec117f99 | |
| parent | 74dc530f4c505d61f0f3620e59fe56c325ae3437 (diff) | |
| download | linux-d42eadf7969e2217fceb84317d3fd28a7bdbd96e.tar.xz | |
vdpa/octeon_ep: Use 4 bytes for mailbox signature
The upper 4 bytes are reserved by the firmware for
storing meta data. Use only lower 4 bytes to update
the signature details.
Signed-off-by: Vamsi Attunuru <vattunuru@marvell.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-ID: <20260224095226.1001151-3-schalla@marvell.com>
| -rw-r--r-- | drivers/vdpa/octeon_ep/octep_vdpa_main.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/vdpa/octeon_ep/octep_vdpa_main.c b/drivers/vdpa/octeon_ep/octep_vdpa_main.c index 9946480ee704..deaa8dc7813e 100644 --- a/drivers/vdpa/octeon_ep/octep_vdpa_main.c +++ b/drivers/vdpa/octeon_ep/octep_vdpa_main.c @@ -573,10 +573,10 @@ static const struct vdpa_mgmtdev_ops octep_vdpa_mgmt_dev_ops = { static bool get_device_ready_status(u8 __iomem *addr) { - u64 signature = readq(addr + OCTEP_VF_MBOX_DATA(0)); + u32 signature = readl(addr + OCTEP_VF_MBOX_DATA(0)); if (signature == OCTEP_DEV_READY_SIGNATURE) { - writeq(0, addr + OCTEP_VF_MBOX_DATA(0)); + writel(0, addr + OCTEP_VF_MBOX_DATA(0)); return true; } @@ -748,7 +748,7 @@ static int octep_sriov_enable(struct pci_dev *pdev, int num_vfs) rpvf = FIELD_GET(GENMASK_ULL(35, 32), val); if (done) { for (i = 0; i < pf->enabled_vfs; i++) - writeq(OCTEP_DEV_READY_SIGNATURE, addr + OCTEP_PF_MBOX_DATA(i * rpvf)); + writel(OCTEP_DEV_READY_SIGNATURE, addr + OCTEP_PF_MBOX_DATA(i * rpvf)); } return num_vfs; |