[2/2] usb: dwc2: fix debugfs FIFO count
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Message ID 20191219113432.1229852-2-john@metanate.com
State New
Headers show
Series
  • [1/2] usb: dwc2: Fix IN FIFO allocation
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Commit Message

John Keeping Dec. 19, 2019, 11:34 a.m. UTC
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(-)

Comments

Minas Harutyunyan Dec. 23, 2019, 9:11 a.m. UTC | #1
On 12/19/2019 3:34 PM, John Keeping wrote:
> 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>
> ---

Acked-by: Minas Harutyunyan <hminas@synopsys.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,
>

Patch
diff mbox series

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,