diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 03:35:39 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 03:35:39 +0000 |
| commit | ddbb0c19fe8ea90e33ad47299c7edd6305d0eaea (patch) | |
| tree | de36f79327a07773a125f713f423457a88104e56 /drivers/remoteproc/mtk_scp.c | |
| parent | Adding debian version 6.8.9-1. (diff) | |
| download | linux-ddbb0c19fe8ea90e33ad47299c7edd6305d0eaea.tar.xz linux-ddbb0c19fe8ea90e33ad47299c7edd6305d0eaea.zip | |
Merging upstream version 6.8.11.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/remoteproc/mtk_scp.c')
| -rw-r--r-- | drivers/remoteproc/mtk_scp.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index a35409eda0..67518291a8 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -132,7 +132,7 @@ static int scp_elf_read_ipi_buf_addr(struct mtk_scp *scp, static int scp_ipi_init(struct mtk_scp *scp, const struct firmware *fw) { int ret; - size_t offset; + size_t buf_sz, offset; /* read the ipi buf addr from FW itself first */ ret = scp_elf_read_ipi_buf_addr(scp, fw, &offset); @@ -144,6 +144,14 @@ static int scp_ipi_init(struct mtk_scp *scp, const struct firmware *fw) } dev_info(scp->dev, "IPI buf addr %#010zx\n", offset); + /* Make sure IPI buffer fits in the L2TCM range assigned to this core */ + buf_sz = sizeof(*scp->recv_buf) + sizeof(*scp->send_buf); + + if (scp->sram_size < buf_sz + offset) { + dev_err(scp->dev, "IPI buffer does not fit in SRAM.\n"); + return -EOVERFLOW; + } + scp->recv_buf = (struct mtk_share_obj __iomem *) (scp->sram_base + offset); scp->send_buf = (struct mtk_share_obj __iomem *) |