diff options
| author | Andrew Davis <afd@ti.com> | 2024-01-23 21:49:07 +0300 |
|---|---|---|
| committer | Mathieu Poirier <mathieu.poirier@linaro.org> | 2024-02-02 21:03:35 +0300 |
| commit | 961a919a6dbd24b670766ae0613085d63e9c79e3 (patch) | |
| tree | 9824d6d00f6bf66255f085478ba95d617aa0c2be /drivers/remoteproc | |
| parent | 64e17ec2504a542acd239f91589927ed266bca13 (diff) | |
| download | linux-961a919a6dbd24b670766ae0613085d63e9c79e3.tar.xz | |
remoteproc: k3-dsp: Add devm action to release reserved memory
Use a device lifecycle managed action to release reserved memory. This
helps prevent mistakes like releasing out of order in cleanup functions
and forgetting to release on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240123184913.725435-2-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Diffstat (limited to 'drivers/remoteproc')
| -rw-r--r-- | drivers/remoteproc/ti_k3_dsp_remoteproc.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/remoteproc/ti_k3_dsp_remoteproc.c b/drivers/remoteproc/ti_k3_dsp_remoteproc.c index 93fbc89307d6..0cb00146fe97 100644 --- a/drivers/remoteproc/ti_k3_dsp_remoteproc.c +++ b/drivers/remoteproc/ti_k3_dsp_remoteproc.c @@ -550,6 +550,13 @@ static int k3_dsp_rproc_of_get_memories(struct platform_device *pdev, return 0; } +static void k3_dsp_mem_release(void *data) +{ + struct device *dev = data; + + of_reserved_mem_device_release(dev); +} + static int k3_dsp_reserved_mem_init(struct k3_dsp_rproc *kproc) { struct device *dev = kproc->dev; @@ -579,13 +586,14 @@ static int k3_dsp_reserved_mem_init(struct k3_dsp_rproc *kproc) ERR_PTR(ret)); return ret; } + ret = devm_add_action_or_reset(dev, k3_dsp_mem_release, dev); + if (ret) + return ret; num_rmems--; kproc->rmem = kcalloc(num_rmems, sizeof(*kproc->rmem), GFP_KERNEL); - if (!kproc->rmem) { - ret = -ENOMEM; - goto release_rmem; - } + if (!kproc->rmem) + return -ENOMEM; /* use remaining reserved memory regions for static carveouts */ for (i = 0; i < num_rmems; i++) { @@ -628,8 +636,6 @@ unmap_rmem: for (i--; i >= 0; i--) iounmap(kproc->rmem[i].cpu_addr); kfree(kproc->rmem); -release_rmem: - of_reserved_mem_device_release(kproc->dev); return ret; } @@ -640,8 +646,6 @@ static void k3_dsp_reserved_mem_exit(struct k3_dsp_rproc *kproc) for (i = 0; i < kproc->num_rmems; i++) iounmap(kproc->rmem[i].cpu_addr); kfree(kproc->rmem); - - of_reserved_mem_device_release(kproc->dev); } static |