lkml.org 
[lkml]   [2019]   [Dec]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/2] usb: dwc2: fix debugfs FIFO count
Date
The number of FIFOs may be lower than the number of endpoints.  Use the
correct total when printing FIFO details in debugfs.

Signed-off-by: John Keeping <john@metanate.com>
---
drivers/usb/dwc2/debugfs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/dwc2/debugfs.c b/drivers/usb/dwc2/debugfs.c
index b8f2790abf91..3a0dcbfbc827 100644
--- a/drivers/usb/dwc2/debugfs.c
+++ b/drivers/usb/dwc2/debugfs.c
@@ -183,6 +183,7 @@ DEFINE_SHOW_ATTRIBUTE(state);
static int fifo_show(struct seq_file *seq, void *v)
{
struct dwc2_hsotg *hsotg = seq->private;
+ int fifo_count = dwc2_hsotg_tx_fifo_count(hsotg);
u32 val;
int idx;

@@ -196,7 +197,7 @@ static int fifo_show(struct seq_file *seq, void *v)

seq_puts(seq, "\nPeriodic TXFIFOs:\n");

- for (idx = 1; idx < hsotg->num_of_eps; idx++) {
+ for (idx = 1; idx <= fifo_count; idx++) {
val = dwc2_readl(hsotg, DPTXFSIZN(idx));

seq_printf(seq, "\tDPTXFIFO%2d: Size %d, Start 0x%08x\n", idx,
--
2.24.1
\
 
 \ /
  Last update: 2019-12-19 12:55    [W:0.094 / U:5.620 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site