Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/scsi/esp_scsi.h b/drivers/scsi/esp_scsi.h
index a777727..91b32f2 100644
--- a/drivers/scsi/esp_scsi.h
+++ b/drivers/scsi/esp_scsi.h
@@ -249,12 +249,9 @@
#define SYNC_DEFP_FAST 0x19 /* 10mb/s */
struct esp_cmd_priv {
- union {
- dma_addr_t dma_addr;
- int num_sg;
- } u;
-
+ int num_sg;
int cur_residue;
+ struct scatterlist *prv_sg;
struct scatterlist *cur_sg;
int tot_residue;
};
@@ -277,6 +274,7 @@
struct scsi_cmnd *cmd;
unsigned int saved_cur_residue;
+ struct scatterlist *saved_prv_sg;
struct scatterlist *saved_cur_sg;
unsigned int saved_tot_residue;
@@ -363,19 +361,6 @@
void (*esp_write8)(struct esp *esp, u8 val, unsigned long reg);
u8 (*esp_read8)(struct esp *esp, unsigned long reg);
- /* Map and unmap DMA memory. Eventually the driver will be
- * converted to the generic DMA API as soon as SBUS is able to
- * cope with that. At such time we can remove this.
- */
- dma_addr_t (*map_single)(struct esp *esp, void *buf,
- size_t sz, int dir);
- int (*map_sg)(struct esp *esp, struct scatterlist *sg,
- int num_sg, int dir);
- void (*unmap_single)(struct esp *esp, dma_addr_t addr,
- size_t sz, int dir);
- void (*unmap_sg)(struct esp *esp, struct scatterlist *sg,
- int num_sg, int dir);
-
/* Return non-zero if there is an IRQ pending. Usually this
* status bit lives in the DMA controller sitting in front of
* the ESP. This has to be accurate or else the ESP interrupt
@@ -435,7 +420,7 @@
const struct esp_driver_ops *ops;
struct Scsi_Host *host;
- void *dev;
+ struct device *dev;
struct esp_cmd_entry *active_cmd;
@@ -490,11 +475,11 @@
u32 flags;
#define ESP_FLAG_DIFFERENTIAL 0x00000001
#define ESP_FLAG_RESETTING 0x00000002
-#define ESP_FLAG_DOING_SLOWCMD 0x00000004
#define ESP_FLAG_WIDE_CAPABLE 0x00000008
#define ESP_FLAG_QUICKIRQ_CHECK 0x00000010
#define ESP_FLAG_DISABLE_SYNC 0x00000020
#define ESP_FLAG_USE_FIFO 0x00000040
+#define ESP_FLAG_NO_DMA_MAP 0x00000080
u8 select_state;
#define ESP_SELECT_NONE 0x00 /* Not selecting */
@@ -532,7 +517,7 @@
u32 min_period;
u32 radelay;
- /* Slow command state. */
+ /* ESP_CMD_SELAS command state */
u8 *cmd_bytes_ptr;
int cmd_bytes_left;
@@ -541,6 +526,9 @@
void *dma;
int dmarev;
+ /* These are used by esp_send_pio_cmd() */
+ u8 __iomem *fifo_reg;
+ int send_cmd_error;
u32 send_cmd_residual;
};
@@ -570,16 +558,18 @@
* example, the DMA engine has to be reset before ESP can
* be programmed.
* 11) If necessary, call dev_set_drvdata() as needed.
- * 12) Call scsi_esp_register() with prepared 'esp' structure
- * and a device pointer if possible.
+ * 12) Call scsi_esp_register() with prepared 'esp' structure.
* 13) Check scsi_esp_register() return value, release all resources
* if an error was returned.
*/
extern struct scsi_host_template scsi_esp_template;
-extern int scsi_esp_register(struct esp *, struct device *);
+extern int scsi_esp_register(struct esp *);
extern void scsi_esp_unregister(struct esp *);
extern irqreturn_t scsi_esp_intr(int, void *);
extern void scsi_esp_cmd(struct esp *, u8);
+extern void esp_send_pio_cmd(struct esp *esp, u32 dma_addr, u32 esp_count,
+ u32 dma_count, int write, u8 cmd);
+
#endif /* !(_ESP_SCSI_H) */