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staging: dwc2: re-use hptxfsiz variable

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For some reason, the value of the HPTXFSIZ register was built in the
ptxfsiz variable, while there was also a hptxfsiz variable availble.
Better just use that and remove the (now unused) ptxfsiz variable.

Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl>
Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Matthijs Kooijman 2013-08-30 18:45:18 +02:00 committed by Greg Kroah-Hartman
parent 57bb8aeda0
commit c35205aa05
1 changed files with 7 additions and 7 deletions
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14
drivers/staging/dwc2/core.c
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@ -507,7 +507,7 @@ void dwc2_disable_host_interrupts(struct dwc2_hsotg *hsotg)
static void dwc2_config_fifos(struct dwc2_hsotg *hsotg)
{
struct dwc2_core_params *params = hsotg->core_params;
u32 rxfsiz, nptxfsiz, ptxfsiz, hptxfsiz, dfifocfg;
u32 rxfsiz, nptxfsiz, hptxfsiz, dfifocfg;
if (!params->enable_dynamic_fifo)
return;
@ -539,12 +539,12 @@ static void dwc2_config_fifos(struct dwc2_hsotg *hsotg)
/* Periodic Tx FIFO */
dev_dbg(hsotg->dev, "initial hptxfsiz=%08x\n",
readl(hsotg->regs + HPTXFSIZ));
ptxfsiz = params->host_perio_tx_fifo_size <<
FIFOSIZE_DEPTH_SHIFT & FIFOSIZE_DEPTH_MASK;
ptxfsiz |= (params->host_rx_fifo_size +
params->host_nperio_tx_fifo_size) <<
FIFOSIZE_STARTADDR_SHIFT & FIFOSIZE_STARTADDR_MASK;
writel(ptxfsiz, hsotg->regs + HPTXFSIZ);
hptxfsiz = params->host_perio_tx_fifo_size <<
FIFOSIZE_DEPTH_SHIFT & FIFOSIZE_DEPTH_MASK;
hptxfsiz |= (params->host_rx_fifo_size +
params->host_nperio_tx_fifo_size) <<
FIFOSIZE_STARTADDR_SHIFT & FIFOSIZE_STARTADDR_MASK;
writel(hptxfsiz, hsotg->regs + HPTXFSIZ);
dev_dbg(hsotg->dev, "new hptxfsiz=%08x\n",
readl(hsotg->regs + HPTXFSIZ));