coresight: tmc: keep track of memory width

[cascardo/linux.git] / drivers / hwtracing / coresight / coresight-tmc.h

diff --git a/drivers/hwtracing/coresight/coresight-tmc.h b/drivers/hwtracing/coresight/coresight-tmc.h
index 94bc034..c5d06fd 100644 (file)
--- a/drivers/hwtracing/coresight/coresight-tmc.h
+++ b/drivers/hwtracing/coresight/coresight-tmc.h
@@ -81,10 +81,10 @@ enum tmc_mode {
 };
 
 enum tmc_mem_intf_width {
-       TMC_MEM_INTF_WIDTH_32BITS       = 0x2,
-       TMC_MEM_INTF_WIDTH_64BITS       = 0x3,
-       TMC_MEM_INTF_WIDTH_128BITS      = 0x4,
-       TMC_MEM_INTF_WIDTH_256BITS      = 0x5,
+       TMC_MEM_INTF_WIDTH_32BITS       = 1,
+       TMC_MEM_INTF_WIDTH_64BITS       = 2,
+       TMC_MEM_INTF_WIDTH_128BITS      = 4,
+       TMC_MEM_INTF_WIDTH_256BITS      = 8,
 };
 
 /**
@@ -100,6 +100,7 @@ enum tmc_mem_intf_width {
  * @size:      @buf size.
  * @mode:      how this TMC is being used.
  * @config_type: TMC variant, must be of type @tmc_config_type.
+ * @memwidth:  width of the memory interface databus, in bytes.
  * @trigger_cntr: amount of words to store after a trigger.
  */
 struct tmc_drvdata {
@@ -115,6 +116,7 @@ struct tmc_drvdata {
        u32                     size;
        local_t                 mode;
        enum tmc_config_type    config_type;
+       enum tmc_mem_intf_width memwidth;
        u32                     trigger_cntr;
 };