summaryrefslogtreecommitdiff
path: root/drivers/media/video/s5p-mfc
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/s5p-mfc')
-rw-r--r--drivers/media/video/s5p-mfc/s5p_mfc.c81
-rw-r--r--drivers/media/video/s5p-mfc/s5p_mfc_common.h2
-rw-r--r--drivers/media/video/s5p-mfc/s5p_mfc_ctrl.c16
-rw-r--r--drivers/media/video/s5p-mfc/s5p_mfc_enc.c6
-rw-r--r--drivers/media/video/s5p-mfc/s5p_mfc_opr.c28
5 files changed, 52 insertions, 81 deletions
diff --git a/drivers/media/video/s5p-mfc/s5p_mfc.c b/drivers/media/video/s5p-mfc/s5p_mfc.c
index 83fe461af263..9bb68e7b5ae8 100644
--- a/drivers/media/video/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/video/s5p-mfc/s5p_mfc.c
@@ -70,7 +70,7 @@ static void wake_up_dev(struct s5p_mfc_dev *dev, unsigned int reason,
wake_up(&dev->queue);
}
-void s5p_mfc_watchdog(unsigned long arg)
+static void s5p_mfc_watchdog(unsigned long arg)
{
struct s5p_mfc_dev *dev = (struct s5p_mfc_dev *)arg;
@@ -373,7 +373,7 @@ static void s5p_mfc_handle_error(struct s5p_mfc_ctx *ctx,
/* If no context is available then all necessary
* processing has been done. */
- if (ctx == 0)
+ if (ctx == NULL)
return;
dev = ctx->dev;
@@ -429,7 +429,7 @@ static void s5p_mfc_handle_seq_done(struct s5p_mfc_ctx *ctx,
struct s5p_mfc_dev *dev;
unsigned int guard_width, guard_height;
- if (ctx == 0)
+ if (ctx == NULL)
return;
dev = ctx->dev;
if (ctx->c_ops->post_seq_start) {
@@ -496,7 +496,7 @@ static void s5p_mfc_handle_init_buffers(struct s5p_mfc_ctx *ctx,
struct s5p_mfc_dev *dev;
unsigned long flags;
- if (ctx == 0)
+ if (ctx == NULL)
return;
dev = ctx->dev;
s5p_mfc_clear_int_flags(dev);
@@ -772,7 +772,7 @@ err_queue_init:
err_init_hw:
s5p_mfc_release_firmware(dev);
err_alloc_fw:
- dev->ctx[ctx->num] = 0;
+ dev->ctx[ctx->num] = NULL;
del_timer_sync(&dev->watchdog_timer);
s5p_mfc_clock_off();
err_pwr_enable:
@@ -849,7 +849,7 @@ static int s5p_mfc_release(struct file *file)
}
mfc_debug(2, "Shutting down clock\n");
s5p_mfc_clock_off();
- dev->ctx[ctx->num] = 0;
+ dev->ctx[ctx->num] = NULL;
s5p_mfc_dec_ctrls_delete(ctx);
v4l2_fh_del(&ctx->fh);
v4l2_fh_exit(&ctx->fh);
@@ -948,7 +948,7 @@ static int s5p_mfc_probe(struct platform_device *pdev)
int ret;
pr_debug("%s++\n", __func__);
- dev = kzalloc(sizeof *dev, GFP_KERNEL);
+ dev = devm_kzalloc(&pdev->dev, sizeof *dev, GFP_KERNEL);
if (!dev) {
dev_err(&pdev->dev, "Not enough memory for MFC device\n");
return -ENOMEM;
@@ -959,49 +959,35 @@ static int s5p_mfc_probe(struct platform_device *pdev)
dev->plat_dev = pdev;
if (!dev->plat_dev) {
dev_err(&pdev->dev, "No platform data specified\n");
- ret = -ENODEV;
- goto err_dev;
+ return -ENODEV;
}
ret = s5p_mfc_init_pm(dev);
if (ret < 0) {
dev_err(&pdev->dev, "failed to get mfc clock source\n");
- goto err_clk;
+ return ret;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (res == NULL) {
- dev_err(&pdev->dev, "failed to get memory region resource\n");
- ret = -ENOENT;
- goto err_res;
- }
- dev->mfc_mem = request_mem_region(res->start, resource_size(res),
- pdev->name);
- if (dev->mfc_mem == NULL) {
- dev_err(&pdev->dev, "failed to get memory region\n");
- ret = -ENOENT;
- goto err_mem_reg;
- }
- dev->regs_base = ioremap(dev->mfc_mem->start, resource_size(dev->mfc_mem));
+ dev->regs_base = devm_request_and_ioremap(&pdev->dev, res);
if (dev->regs_base == NULL) {
- dev_err(&pdev->dev, "failed to ioremap address region\n");
- ret = -ENOENT;
- goto err_ioremap;
+ dev_err(&pdev->dev, "Failed to obtain io memory\n");
+ return -ENOENT;
}
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (res == NULL) {
dev_err(&pdev->dev, "failed to get irq resource\n");
ret = -ENOENT;
- goto err_get_res;
+ goto err_res;
}
dev->irq = res->start;
- ret = request_irq(dev->irq, s5p_mfc_irq, IRQF_DISABLED, pdev->name,
- dev);
+ ret = devm_request_irq(&pdev->dev, dev->irq, s5p_mfc_irq,
+ IRQF_DISABLED, pdev->name, dev);
if (ret) {
dev_err(&pdev->dev, "Failed to install irq (%d)\n", ret);
- goto err_req_irq;
+ goto err_res;
}
dev->mem_dev_l = device_find_child(&dev->plat_dev->dev, "s5p-mfc-l",
@@ -1009,20 +995,20 @@ static int s5p_mfc_probe(struct platform_device *pdev)
if (!dev->mem_dev_l) {
mfc_err("Mem child (L) device get failed\n");
ret = -ENODEV;
- goto err_find_child;
+ goto err_res;
}
dev->mem_dev_r = device_find_child(&dev->plat_dev->dev, "s5p-mfc-r",
match_child);
if (!dev->mem_dev_r) {
mfc_err("Mem child (R) device get failed\n");
ret = -ENODEV;
- goto err_find_child;
+ goto err_res;
}
dev->alloc_ctx[0] = vb2_dma_contig_init_ctx(dev->mem_dev_l);
if (IS_ERR_OR_NULL(dev->alloc_ctx[0])) {
ret = PTR_ERR(dev->alloc_ctx[0]);
- goto err_mem_init_ctx_0;
+ goto err_res;
}
dev->alloc_ctx[1] = vb2_dma_contig_init_ctx(dev->mem_dev_r);
if (IS_ERR_OR_NULL(dev->alloc_ctx[1])) {
@@ -1048,6 +1034,10 @@ static int s5p_mfc_probe(struct platform_device *pdev)
vfd->ioctl_ops = get_dec_v4l2_ioctl_ops();
vfd->release = video_device_release,
vfd->lock = &dev->mfc_mutex;
+ /* Locking in file operations other than ioctl should be done
+ by the driver, not the V4L2 core.
+ This driver needs auditing so that this flag can be removed. */
+ set_bit(V4L2_FL_LOCK_ALL_FOPS, &vfd->flags);
vfd->v4l2_dev = &dev->v4l2_dev;
snprintf(vfd->name, sizeof(vfd->name), "%s", S5P_MFC_DEC_NAME);
dev->vfd_dec = vfd;
@@ -1072,6 +1062,8 @@ static int s5p_mfc_probe(struct platform_device *pdev)
vfd->ioctl_ops = get_enc_v4l2_ioctl_ops();
vfd->release = video_device_release,
vfd->lock = &dev->mfc_mutex;
+ /* This should not be necessary */
+ set_bit(V4L2_FL_LOCK_ALL_FOPS, &vfd->flags);
vfd->v4l2_dev = &dev->v4l2_dev;
snprintf(vfd->name, sizeof(vfd->name), "%s", S5P_MFC_ENC_NAME);
dev->vfd_enc = vfd;
@@ -1110,22 +1102,9 @@ err_v4l2_dev_reg:
vb2_dma_contig_cleanup_ctx(dev->alloc_ctx[1]);
err_mem_init_ctx_1:
vb2_dma_contig_cleanup_ctx(dev->alloc_ctx[0]);
-err_mem_init_ctx_0:
-err_find_child:
- free_irq(dev->irq, dev);
-err_req_irq:
-err_get_res:
- iounmap(dev->regs_base);
- dev->regs_base = NULL;
-err_ioremap:
- release_resource(dev->mfc_mem);
- kfree(dev->mfc_mem);
-err_mem_reg:
err_res:
s5p_mfc_final_pm(dev);
-err_clk:
-err_dev:
- kfree(dev);
+
pr_debug("%s-- with error\n", __func__);
return ret;
@@ -1148,15 +1127,7 @@ static int __devexit s5p_mfc_remove(struct platform_device *pdev)
vb2_dma_contig_cleanup_ctx(dev->alloc_ctx[0]);
vb2_dma_contig_cleanup_ctx(dev->alloc_ctx[1]);
- free_irq(dev->irq, dev);
- iounmap(dev->regs_base);
- if (dev->mfc_mem) {
- release_resource(dev->mfc_mem);
- kfree(dev->mfc_mem);
- dev->mfc_mem = NULL;
- }
s5p_mfc_final_pm(dev);
- kfree(dev);
return 0;
}
diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_common.h b/drivers/media/video/s5p-mfc/s5p_mfc_common.h
index 91146fa622e4..bd5706a6bad1 100644
--- a/drivers/media/video/s5p-mfc/s5p_mfc_common.h
+++ b/drivers/media/video/s5p-mfc/s5p_mfc_common.h
@@ -185,7 +185,6 @@ struct s5p_mfc_pm {
* @mem_dev_r: child device of the right memory bank (1)
* @regs_base: base address of the MFC hw registers
* @irq: irq resource
- * @mfc_mem: MFC registers memory resource
* @dec_ctrl_handler: control framework handler for decoding
* @enc_ctrl_handler: control framework handler for encoding
* @pm: power management control
@@ -221,7 +220,6 @@ struct s5p_mfc_dev {
struct device *mem_dev_r;
void __iomem *regs_base;
int irq;
- struct resource *mfc_mem;
struct v4l2_ctrl_handler dec_ctrl_handler;
struct v4l2_ctrl_handler enc_ctrl_handler;
struct s5p_mfc_pm pm;
diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_ctrl.c b/drivers/media/video/s5p-mfc/s5p_mfc_ctrl.c
index f2481a85e0a2..08a5cfeaa59e 100644
--- a/drivers/media/video/s5p-mfc/s5p_mfc_ctrl.c
+++ b/drivers/media/video/s5p-mfc/s5p_mfc_ctrl.c
@@ -52,7 +52,7 @@ int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev)
s5p_mfc_bitproc_buf = vb2_dma_contig_memops.alloc(
dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], dev->fw_size);
if (IS_ERR(s5p_mfc_bitproc_buf)) {
- s5p_mfc_bitproc_buf = 0;
+ s5p_mfc_bitproc_buf = NULL;
mfc_err("Allocating bitprocessor buffer failed\n");
release_firmware(fw_blob);
return -ENOMEM;
@@ -63,7 +63,7 @@ int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev)
mfc_err("The base memory for bank 1 is not aligned to 128KB\n");
vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
s5p_mfc_bitproc_phys = 0;
- s5p_mfc_bitproc_buf = 0;
+ s5p_mfc_bitproc_buf = NULL;
release_firmware(fw_blob);
return -EIO;
}
@@ -72,7 +72,7 @@ int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev)
mfc_err("Bitprocessor memory remap failed\n");
vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
s5p_mfc_bitproc_phys = 0;
- s5p_mfc_bitproc_buf = 0;
+ s5p_mfc_bitproc_buf = NULL;
release_firmware(fw_blob);
return -EIO;
}
@@ -82,7 +82,7 @@ int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev)
if (IS_ERR(b_base)) {
vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
s5p_mfc_bitproc_phys = 0;
- s5p_mfc_bitproc_buf = 0;
+ s5p_mfc_bitproc_buf = NULL;
mfc_err("Allocating bank2 base failed\n");
release_firmware(fw_blob);
return -ENOMEM;
@@ -94,7 +94,7 @@ int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev)
mfc_err("The base memory for bank 2 is not aligned to 128KB\n");
vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
s5p_mfc_bitproc_phys = 0;
- s5p_mfc_bitproc_buf = 0;
+ s5p_mfc_bitproc_buf = NULL;
release_firmware(fw_blob);
return -EIO;
}
@@ -126,7 +126,7 @@ int s5p_mfc_reload_firmware(struct s5p_mfc_dev *dev)
release_firmware(fw_blob);
return -ENOMEM;
}
- if (s5p_mfc_bitproc_buf == 0 || s5p_mfc_bitproc_phys == 0) {
+ if (s5p_mfc_bitproc_buf == NULL || s5p_mfc_bitproc_phys == 0) {
mfc_err("MFC firmware is not allocated or was not mapped correctly\n");
release_firmware(fw_blob);
return -EINVAL;
@@ -146,9 +146,9 @@ int s5p_mfc_release_firmware(struct s5p_mfc_dev *dev)
if (!s5p_mfc_bitproc_buf)
return -EINVAL;
vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
- s5p_mfc_bitproc_virt = 0;
+ s5p_mfc_bitproc_virt = NULL;
s5p_mfc_bitproc_phys = 0;
- s5p_mfc_bitproc_buf = 0;
+ s5p_mfc_bitproc_buf = NULL;
return 0;
}
diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_enc.c b/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
index dff9dc798795..acedb2004be3 100644
--- a/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
+++ b/drivers/media/video/s5p-mfc/s5p_mfc_enc.c
@@ -1436,7 +1436,8 @@ static const struct v4l2_ctrl_ops s5p_mfc_enc_ctrl_ops = {
.s_ctrl = s5p_mfc_enc_s_ctrl,
};
-int vidioc_s_parm(struct file *file, void *priv, struct v4l2_streamparm *a)
+static int vidioc_s_parm(struct file *file, void *priv,
+ struct v4l2_streamparm *a)
{
struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
@@ -1452,7 +1453,8 @@ int vidioc_s_parm(struct file *file, void *priv, struct v4l2_streamparm *a)
return 0;
}
-int vidioc_g_parm(struct file *file, void *priv, struct v4l2_streamparm *a)
+static int vidioc_g_parm(struct file *file, void *priv,
+ struct v4l2_streamparm *a)
{
struct s5p_mfc_ctx *ctx = fh_to_ctx(priv);
diff --git a/drivers/media/video/s5p-mfc/s5p_mfc_opr.c b/drivers/media/video/s5p-mfc/s5p_mfc_opr.c
index e08b21c50ebf..e6217cbfa4a3 100644
--- a/drivers/media/video/s5p-mfc/s5p_mfc_opr.c
+++ b/drivers/media/video/s5p-mfc/s5p_mfc_opr.c
@@ -43,7 +43,7 @@ int s5p_mfc_alloc_dec_temp_buffers(struct s5p_mfc_ctx *ctx)
ctx->desc_buf = vb2_dma_contig_memops.alloc(
dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], DESC_BUF_SIZE);
if (IS_ERR_VALUE((int)ctx->desc_buf)) {
- ctx->desc_buf = 0;
+ ctx->desc_buf = NULL;
mfc_err("Allocating DESC buffer failed\n");
return -ENOMEM;
}
@@ -54,7 +54,7 @@ int s5p_mfc_alloc_dec_temp_buffers(struct s5p_mfc_ctx *ctx)
if (desc_virt == NULL) {
vb2_dma_contig_memops.put(ctx->desc_buf);
ctx->desc_phys = 0;
- ctx->desc_buf = 0;
+ ctx->desc_buf = NULL;
mfc_err("Remapping DESC buffer failed\n");
return -ENOMEM;
}
@@ -69,7 +69,7 @@ void s5p_mfc_release_dec_desc_buffer(struct s5p_mfc_ctx *ctx)
if (ctx->desc_phys) {
vb2_dma_contig_memops.put(ctx->desc_buf);
ctx->desc_phys = 0;
- ctx->desc_buf = 0;
+ ctx->desc_buf = NULL;
}
}
@@ -186,7 +186,7 @@ int s5p_mfc_alloc_codec_buffers(struct s5p_mfc_ctx *ctx)
ctx->bank1_buf = vb2_dma_contig_memops.alloc(
dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->bank1_size);
if (IS_ERR(ctx->bank1_buf)) {
- ctx->bank1_buf = 0;
+ ctx->bank1_buf = NULL;
printk(KERN_ERR
"Buf alloc for decoding failed (port A)\n");
return -ENOMEM;
@@ -200,7 +200,7 @@ int s5p_mfc_alloc_codec_buffers(struct s5p_mfc_ctx *ctx)
ctx->bank2_buf = vb2_dma_contig_memops.alloc(
dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], ctx->bank2_size);
if (IS_ERR(ctx->bank2_buf)) {
- ctx->bank2_buf = 0;
+ ctx->bank2_buf = NULL;
mfc_err("Buf alloc for decoding failed (port B)\n");
return -ENOMEM;
}
@@ -216,13 +216,13 @@ void s5p_mfc_release_codec_buffers(struct s5p_mfc_ctx *ctx)
{
if (ctx->bank1_buf) {
vb2_dma_contig_memops.put(ctx->bank1_buf);
- ctx->bank1_buf = 0;
+ ctx->bank1_buf = NULL;
ctx->bank1_phys = 0;
ctx->bank1_size = 0;
}
if (ctx->bank2_buf) {
vb2_dma_contig_memops.put(ctx->bank2_buf);
- ctx->bank2_buf = 0;
+ ctx->bank2_buf = NULL;
ctx->bank2_phys = 0;
ctx->bank2_size = 0;
}
@@ -244,7 +244,7 @@ int s5p_mfc_alloc_instance_buffer(struct s5p_mfc_ctx *ctx)
if (IS_ERR(ctx->ctx_buf)) {
mfc_err("Allocating context buffer failed\n");
ctx->ctx_phys = 0;
- ctx->ctx_buf = 0;
+ ctx->ctx_buf = NULL;
return -ENOMEM;
}
ctx->ctx_phys = s5p_mfc_mem_cookie(
@@ -256,7 +256,7 @@ int s5p_mfc_alloc_instance_buffer(struct s5p_mfc_ctx *ctx)
mfc_err("Remapping instance buffer failed\n");
vb2_dma_contig_memops.put(ctx->ctx_buf);
ctx->ctx_phys = 0;
- ctx->ctx_buf = 0;
+ ctx->ctx_buf = NULL;
return -ENOMEM;
}
/* Zero content of the allocated memory */
@@ -265,7 +265,7 @@ int s5p_mfc_alloc_instance_buffer(struct s5p_mfc_ctx *ctx)
if (s5p_mfc_init_shm(ctx) < 0) {
vb2_dma_contig_memops.put(ctx->ctx_buf);
ctx->ctx_phys = 0;
- ctx->ctx_buf = 0;
+ ctx->ctx_buf = NULL;
return -ENOMEM;
}
return 0;
@@ -277,12 +277,12 @@ void s5p_mfc_release_instance_buffer(struct s5p_mfc_ctx *ctx)
if (ctx->ctx_buf) {
vb2_dma_contig_memops.put(ctx->ctx_buf);
ctx->ctx_phys = 0;
- ctx->ctx_buf = 0;
+ ctx->ctx_buf = NULL;
}
if (ctx->shm_alloc) {
vb2_dma_contig_memops.put(ctx->shm_alloc);
- ctx->shm_alloc = 0;
- ctx->shm = 0;
+ ctx->shm_alloc = NULL;
+ ctx->shm = NULL;
}
}
@@ -296,7 +296,7 @@ void s5p_mfc_set_dec_desc_buffer(struct s5p_mfc_ctx *ctx)
}
/* Set registers for shared buffer */
-void s5p_mfc_set_shared_buffer(struct s5p_mfc_ctx *ctx)
+static void s5p_mfc_set_shared_buffer(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
mfc_write(dev, ctx->shm_ofs, S5P_FIMV_SI_CH0_HOST_WR_ADR);
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-25 07:32:05 +0000