dma: sh: use an integer slave ID to improve API compatibility

[platform/kernel/linux-starfive.git] / include / linux / shdma-base.h

diff --git a/include/linux/shdma-base.h b/include/linux/shdma-base.h
index c3a19e9..6263ad2 100644 (file)
--- a/include/linux/shdma-base.h
+++ b/include/linux/shdma-base.h
@@ -43,7 +43,7 @@ struct device;
  */
 
 struct shdma_slave {
-       unsigned int slave_id;
+       int slave_id;
 };
 
 struct shdma_desc {
@@ -66,7 +66,7 @@ struct shdma_chan {
        size_t max_xfer_len;            /* max transfer length */
        int id;                         /* Raw id of this channel */
        int irq;                        /* Channel IRQ */
-       struct shdma_slave *slave;      /* Client data for slave DMA */
+       int slave_id;                   /* Client ID for slave DMA */
        enum shdma_pm_state pm_state;
 };
 
@@ -93,8 +93,8 @@ struct shdma_ops {
        dma_addr_t (*slave_addr)(struct shdma_chan *);
        int (*desc_setup)(struct shdma_chan *, struct shdma_desc *,
                          dma_addr_t, dma_addr_t, size_t *);
-       int (*set_slave)(struct shdma_chan *, struct shdma_slave *);
-       void (*setup_xfer)(struct shdma_chan *, struct shdma_slave *);
+       int (*set_slave)(struct shdma_chan *, int);
+       void (*setup_xfer)(struct shdma_chan *, int);
        void (*start_xfer)(struct shdma_chan *, struct shdma_desc *);
        struct shdma_desc *(*embedded_desc)(void *, int);
        bool (*chan_irq)(struct shdma_chan *, int);