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| author | Thinh Nguyen <Thinh.Nguyen@synopsys.com> | 2021-03-28 03:54:01 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-28 15:07:18 +0300 |
| commit | d00be779cc5016a1f4cc414e25fc45a9df40ffaf (patch) | |
| tree | 38af462b7cd46f56e64be8a87df9a7543e04aa18 /drivers/usb/dwc3/debugfs.c | |
| parent | 487adc545bcef07d38b2918a7216a993c06b7dc9 (diff) | |
| download | linux-d00be779cc5016a1f4cc414e25fc45a9df40ffaf.tar.xz | |
usb: dwc3: Create helper function getting MDWIDTH
Different controller IPs check different HW parameters for MDWIDTH.
To help with maintainability, create a helper function to consolidate
the logic in a single place.
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/456329d36e8c188df5c234f3282595b630bf1470.1616892233.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/dwc3/debugfs.c')
| -rw-r--r-- | drivers/usb/dwc3/debugfs.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c index 5da4f6082d93..c85852d98b4b 100644 --- a/drivers/usb/dwc3/debugfs.c +++ b/drivers/usb/dwc3/debugfs.c @@ -638,16 +638,14 @@ static int dwc3_tx_fifo_size_show(struct seq_file *s, void *unused) struct dwc3_ep *dep = s->private; struct dwc3 *dwc = dep->dwc; unsigned long flags; - int mdwidth; + u32 mdwidth; u32 val; spin_lock_irqsave(&dwc->lock, flags); val = dwc3_core_fifo_space(dep, DWC3_TXFIFO); /* Convert to bytes */ - mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0); - if (DWC3_IP_IS(DWC32)) - mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6); + mdwidth = dwc3_mdwidth(dwc); val *= mdwidth; val >>= 3; @@ -662,16 +660,14 @@ static int dwc3_rx_fifo_size_show(struct seq_file *s, void *unused) struct dwc3_ep *dep = s->private; struct dwc3 *dwc = dep->dwc; unsigned long flags; - int mdwidth; + u32 mdwidth; u32 val; spin_lock_irqsave(&dwc->lock, flags); val = dwc3_core_fifo_space(dep, DWC3_RXFIFO); /* Convert to bytes */ - mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0); - if (DWC3_IP_IS(DWC32)) - mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6); + mdwidth = dwc3_mdwidth(dwc); val *= mdwidth; val >>= 3; |