diff options
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/eeprom/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/misc/fastrpc.c | 31 |
2 files changed, 24 insertions, 8 deletions
diff --git a/drivers/misc/eeprom/Kconfig b/drivers/misc/eeprom/Kconfig index f0a7531f354c..2d240bfa819f 100644 --- a/drivers/misc/eeprom/Kconfig +++ b/drivers/misc/eeprom/Kconfig @@ -6,6 +6,7 @@ config EEPROM_AT24 depends on I2C && SYSFS select NVMEM select NVMEM_SYSFS + select REGMAP select REGMAP_I2C help Enable this driver to get read/write support to most I2C EEPROMs diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index f48466960f1b..30d4d0476248 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -316,12 +316,14 @@ static void fastrpc_free_map(struct kref *ref) if (map->table) { if (map->attr & FASTRPC_ATTR_SECUREMAP) { struct qcom_scm_vmperm perm; + int vmid = map->fl->cctx->vmperms[0].vmid; + u64 src_perms = BIT(QCOM_SCM_VMID_HLOS) | BIT(vmid); int err = 0; perm.vmid = QCOM_SCM_VMID_HLOS; perm.perm = QCOM_SCM_PERM_RWX; err = qcom_scm_assign_mem(map->phys, map->size, - &map->fl->cctx->perms, &perm, 1); + &src_perms, &perm, 1); if (err) { dev_err(map->fl->sctx->dev, "Failed to assign memory phys 0x%llx size 0x%llx err %d", map->phys, map->size, err); @@ -787,8 +789,12 @@ static int fastrpc_map_create(struct fastrpc_user *fl, int fd, goto map_err; } - map->phys = sg_dma_address(map->table->sgl); - map->phys += ((u64)fl->sctx->sid << 32); + if (attr & FASTRPC_ATTR_SECUREMAP) { + map->phys = sg_phys(map->table->sgl); + } else { + map->phys = sg_dma_address(map->table->sgl); + map->phys += ((u64)fl->sctx->sid << 32); + } map->size = len; map->va = sg_virt(map->table->sgl); map->len = len; @@ -798,9 +804,15 @@ static int fastrpc_map_create(struct fastrpc_user *fl, int fd, * If subsystem VMIDs are defined in DTSI, then do * hyp_assign from HLOS to those VM(s) */ + u64 src_perms = BIT(QCOM_SCM_VMID_HLOS); + struct qcom_scm_vmperm dst_perms[2] = {0}; + + dst_perms[0].vmid = QCOM_SCM_VMID_HLOS; + dst_perms[0].perm = QCOM_SCM_PERM_RW; + dst_perms[1].vmid = fl->cctx->vmperms[0].vmid; + dst_perms[1].perm = QCOM_SCM_PERM_RWX; map->attr = attr; - err = qcom_scm_assign_mem(map->phys, (u64)map->size, &fl->cctx->perms, - fl->cctx->vmperms, fl->cctx->vmcount); + err = qcom_scm_assign_mem(map->phys, (u64)map->size, &src_perms, dst_perms, 2); if (err) { dev_err(sess->dev, "Failed to assign memory with phys 0x%llx size 0x%llx err %d", map->phys, map->size, err); @@ -1892,7 +1904,7 @@ static int fastrpc_req_mmap(struct fastrpc_user *fl, char __user *argp) req.vaddrout = rsp_msg.vaddr; /* Add memory to static PD pool, protection thru hypervisor */ - if (req.flags != ADSP_MMAP_REMOTE_HEAP_ADDR && fl->cctx->vmcount) { + if (req.flags == ADSP_MMAP_REMOTE_HEAP_ADDR && fl->cctx->vmcount) { struct qcom_scm_vmperm perm; perm.vmid = QCOM_SCM_VMID_HLOS; @@ -2337,8 +2349,10 @@ static void fastrpc_notify_users(struct fastrpc_user *user) struct fastrpc_invoke_ctx *ctx; spin_lock(&user->lock); - list_for_each_entry(ctx, &user->pending, node) + list_for_each_entry(ctx, &user->pending, node) { + ctx->retval = -EPIPE; complete(&ctx->work); + } spin_unlock(&user->lock); } @@ -2349,7 +2363,9 @@ static void fastrpc_rpmsg_remove(struct rpmsg_device *rpdev) struct fastrpc_user *user; unsigned long flags; + /* No invocations past this point */ spin_lock_irqsave(&cctx->lock, flags); + cctx->rpdev = NULL; list_for_each_entry(user, &cctx->users, user) fastrpc_notify_users(user); spin_unlock_irqrestore(&cctx->lock, flags); @@ -2368,7 +2384,6 @@ static void fastrpc_rpmsg_remove(struct rpmsg_device *rpdev) of_platform_depopulate(&rpdev->dev); - cctx->rpdev = NULL; fastrpc_channel_ctx_put(cctx); } |