diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-08-28 17:34:51 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-08-28 17:34:51 +0300 |
| commit | 2957975756291d8dbf4f744dbe68278f319b7de7 (patch) | |
| tree | 168367a320bd8d715cea89f6053b14f87bc7735b /drivers/bus | |
| parent | bad0d7a6a7d61f129b9ebffc43acd2056bfb4def (diff) | |
| parent | be15dab9a451155bdf3f5278608fe8dc67e07cc1 (diff) | |
| download | linux-rolling-stable.tar.xz | |
Merge v6.16.4linux-rolling-stable
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/bus')
| -rw-r--r-- | drivers/bus/mhi/host/boot.c | 8 | ||||
| -rw-r--r-- | drivers/bus/mhi/host/internal.h | 4 | ||||
| -rw-r--r-- | drivers/bus/mhi/host/main.c | 12 |
3 files changed, 17 insertions, 7 deletions
diff --git a/drivers/bus/mhi/host/boot.c b/drivers/bus/mhi/host/boot.c index efa3b6dddf4d..205d83ac069f 100644 --- a/drivers/bus/mhi/host/boot.c +++ b/drivers/bus/mhi/host/boot.c @@ -31,8 +31,8 @@ int mhi_rddm_prepare(struct mhi_controller *mhi_cntrl, int ret; for (i = 0; i < img_info->entries - 1; i++, mhi_buf++, bhi_vec++) { - bhi_vec->dma_addr = mhi_buf->dma_addr; - bhi_vec->size = mhi_buf->len; + bhi_vec->dma_addr = cpu_to_le64(mhi_buf->dma_addr); + bhi_vec->size = cpu_to_le64(mhi_buf->len); } dev_dbg(dev, "BHIe programming for RDDM\n"); @@ -431,8 +431,8 @@ static void mhi_firmware_copy_bhie(struct mhi_controller *mhi_cntrl, while (remainder) { to_cpy = min(remainder, mhi_buf->len); memcpy(mhi_buf->buf, buf, to_cpy); - bhi_vec->dma_addr = mhi_buf->dma_addr; - bhi_vec->size = to_cpy; + bhi_vec->dma_addr = cpu_to_le64(mhi_buf->dma_addr); + bhi_vec->size = cpu_to_le64(to_cpy); buf += to_cpy; remainder -= to_cpy; diff --git a/drivers/bus/mhi/host/internal.h b/drivers/bus/mhi/host/internal.h index ce566f7d2e92..1dbc3f736161 100644 --- a/drivers/bus/mhi/host/internal.h +++ b/drivers/bus/mhi/host/internal.h @@ -25,8 +25,8 @@ struct mhi_ctxt { }; struct bhi_vec_entry { - u64 dma_addr; - u64 size; + __le64 dma_addr; + __le64 size; }; enum mhi_fw_load_type { diff --git a/drivers/bus/mhi/host/main.c b/drivers/bus/mhi/host/main.c index 9bb0df43ceef..d7b266bafb10 100644 --- a/drivers/bus/mhi/host/main.c +++ b/drivers/bus/mhi/host/main.c @@ -602,7 +602,7 @@ static int parse_xfer_event(struct mhi_controller *mhi_cntrl, { dma_addr_t ptr = MHI_TRE_GET_EV_PTR(event); struct mhi_ring_element *local_rp, *ev_tre; - void *dev_rp; + void *dev_rp, *next_rp; struct mhi_buf_info *buf_info; u16 xfer_len; @@ -621,6 +621,16 @@ static int parse_xfer_event(struct mhi_controller *mhi_cntrl, result.dir = mhi_chan->dir; local_rp = tre_ring->rp; + + next_rp = local_rp + 1; + if (next_rp >= tre_ring->base + tre_ring->len) + next_rp = tre_ring->base; + if (dev_rp != next_rp && !MHI_TRE_DATA_GET_CHAIN(local_rp)) { + dev_err(&mhi_cntrl->mhi_dev->dev, + "Event element points to an unexpected TRE\n"); + break; + } + while (local_rp != dev_rp) { buf_info = buf_ring->rp; /* If it's the last TRE, get length from the event */ |