bus: mhi: debugfs: Print channel context read-pointer

This value was missing in the channel debugfs output.
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200929175218.8178-20-manivannan.sadhasivam@linaro.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/bus/mhi/core/debugfs.c

@@ -115,8 +115,9 @@ static int mhi_debugfs_channels_show(struct seq_file *m, void *d)
 		seq_printf(m, " type: 0x%x event ring: %u", chan_ctxt->chtype,
 			   chan_ctxt->erindex);
 
-		seq_printf(m, " base: 0x%llx len: 0x%llx wp: 0x%llx",
-			   chan_ctxt->rbase, chan_ctxt->rlen, chan_ctxt->wp);
+		seq_printf(m, " base: 0x%llx len: 0x%llx rp: 0x%llx wp: 0x%llx",
+			   chan_ctxt->rbase, chan_ctxt->rlen, chan_ctxt->rp,
+			   chan_ctxt->wp);
 
 		seq_printf(m, " local rp: 0x%pK local wp: 0x%pK db: 0x%pad\n",
 			   ring->rp, ring->wp,