Merge tag 'mtd/for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

[linux-2.6-block.git] / include / linux / mtd / rawnand.h

diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
index ac3884a28dea690a24a93c2570e4fe004599cab9..4ab9bccfcde0fe1d86961bd167690129aa7cc3d3 100644 (file)
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -874,6 +874,42 @@ int nand_op_parser_exec_op(struct nand_chip *chip,
                           const struct nand_op_parser *parser,
                           const struct nand_operation *op, bool check_only);
 
+static inline void nand_op_trace(const char *prefix,
+                                const struct nand_op_instr *instr)
+{
+#if IS_ENABLED(CONFIG_DYNAMIC_DEBUG) || defined(DEBUG)
+       switch (instr->type) {
+       case NAND_OP_CMD_INSTR:
+               pr_debug("%sCMD      [0x%02x]\n", prefix,
+                        instr->ctx.cmd.opcode);
+               break;
+       case NAND_OP_ADDR_INSTR:
+               pr_debug("%sADDR     [%d cyc: %*ph]\n", prefix,
+                        instr->ctx.addr.naddrs,
+                        instr->ctx.addr.naddrs < 64 ?
+                        instr->ctx.addr.naddrs : 64,
+                        instr->ctx.addr.addrs);
+               break;
+       case NAND_OP_DATA_IN_INSTR:
+               pr_debug("%sDATA_IN  [%d B%s]\n", prefix,
+                        instr->ctx.data.len,
+                        instr->ctx.data.force_8bit ?
+                        ", force 8-bit" : "");
+               break;
+       case NAND_OP_DATA_OUT_INSTR:
+               pr_debug("%sDATA_OUT [%d B%s]\n", prefix,
+                        instr->ctx.data.len,
+                        instr->ctx.data.force_8bit ?
+                        ", force 8-bit" : "");
+               break;
+       case NAND_OP_WAITRDY_INSTR:
+               pr_debug("%sWAITRDY  [max %d ms]\n", prefix,
+                        instr->ctx.waitrdy.timeout_ms);
+               break;
+       }
+#endif
+}
+
 /**
  * struct nand_controller_ops - Controller operations
  *