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usb: dwc2: fix debugfs FIFO count

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The number of FIFOs may be lower than the number of endpoints.  Use the
correct total when printing FIFO details in debugfs.

Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: John Keeping <john@metanate.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
John Keeping 2019-12-19 11:34:32 +00:00 committed by Greg Kroah-Hartman
parent 644139f8b6
commit 7037e101b6
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/dwc2/debugfs.c
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@ -183,6 +183,7 @@ DEFINE_SHOW_ATTRIBUTE(state);
static int fifo_show(struct seq_file *seq, void *v) static int fifo_show(struct seq_file *seq, void *v)
{ {
struct dwc2_hsotg *hsotg = seq->private; struct dwc2_hsotg *hsotg = seq->private;
int fifo_count = dwc2_hsotg_tx_fifo_count(hsotg);
u32 val; u32 val;
int idx; int idx;
@ -196,7 +197,7 @@ static int fifo_show(struct seq_file *seq, void *v)
seq_puts(seq, "\nPeriodic TXFIFOs:\n"); 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)); val = dwc2_readl(hsotg, DPTXFSIZN(idx));
seq_printf(seq, "\tDPTXFIFO%2d: Size %d, Start 0x%08x\n", idx, seq_printf(seq, "\tDPTXFIFO%2d: Size %d, Start 0x%08x\n", idx,