diff options
| -rw-r--r-- | drivers/media/platform/s5p-jpeg/jpeg-core.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c index 84e7429cf195..57ee2655f759 100644 --- a/drivers/media/platform/s5p-jpeg/jpeg-core.c +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c @@ -930,7 +930,9 @@ static void s5p_jpeg_device_run(void *priv) struct s5p_jpeg_ctx *ctx = priv; struct s5p_jpeg *jpeg = ctx->jpeg; struct vb2_buffer *src_buf, *dst_buf; - unsigned long src_addr, dst_addr; + unsigned long src_addr, dst_addr, flags; + + spin_lock_irqsave(&ctx->jpeg->slock, flags); src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); @@ -998,6 +1000,8 @@ static void s5p_jpeg_device_run(void *priv) } jpeg_start(jpeg->regs); + + spin_unlock_irqrestore(&ctx->jpeg->slock, flags); } static int s5p_jpeg_job_ready(void *priv) @@ -1418,12 +1422,15 @@ static int s5p_jpeg_runtime_suspend(struct device *dev) static int s5p_jpeg_runtime_resume(struct device *dev) { struct s5p_jpeg *jpeg = dev_get_drvdata(dev); + unsigned long flags; int ret; ret = clk_prepare_enable(jpeg->clk); if (ret < 0) return ret; + spin_lock_irqsave(&jpeg->slock, flags); + /* * JPEG IP allows storing two Huffman tables for each component * We fill table 0 for each component @@ -1433,6 +1440,8 @@ static int s5p_jpeg_runtime_resume(struct device *dev) s5p_jpeg_set_hactbl(jpeg->regs); s5p_jpeg_set_hactblg(jpeg->regs); + spin_unlock_irqrestore(&jpeg->slock, flags); + return 0; } |