diff options
Diffstat (limited to 'drivers/net/irda/pxaficp_ir.c')
| -rw-r--r-- | drivers/net/irda/pxaficp_ir.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/net/irda/pxaficp_ir.c b/drivers/net/irda/pxaficp_ir.c index 100454662e4b..6a81d3d1b312 100644 --- a/drivers/net/irda/pxaficp_ir.c +++ b/drivers/net/irda/pxaficp_ir.c @@ -29,7 +29,6 @@ #include <mach/dma.h> #include <linux/platform_data/irda-pxaficp.h> -#include <mach/regs-ost.h> #include <mach/regs-uart.h> #define FICP __REG(0x40800000) /* Start of FICP area */ @@ -102,7 +101,7 @@ struct pxa_irda { int speed; int newspeed; - unsigned long last_oscr; + unsigned long long last_clk; unsigned char *dma_rx_buff; unsigned char *dma_tx_buff; @@ -292,7 +291,7 @@ static irqreturn_t pxa_irda_sir_irq(int irq, void *dev_id) } lsr = STLSR; } - si->last_oscr = readl_relaxed(OSCR); + si->last_clk = sched_clock(); break; case 0x04: /* Received Data Available */ @@ -303,7 +302,7 @@ static irqreturn_t pxa_irda_sir_irq(int irq, void *dev_id) dev->stats.rx_bytes++; async_unwrap_char(dev, &dev->stats, &si->rx_buff, STRBR); } while (STLSR & LSR_DR); - si->last_oscr = readl_relaxed(OSCR); + si->last_clk = sched_clock(); break; case 0x02: /* Transmit FIFO Data Request */ @@ -319,7 +318,7 @@ static irqreturn_t pxa_irda_sir_irq(int irq, void *dev_id) /* We need to ensure that the transmitter has finished. */ while ((STLSR & LSR_TEMT) == 0) cpu_relax(); - si->last_oscr = readl_relaxed(OSCR); + si->last_clk = sched_clock(); /* * Ok, we've finished transmitting. Now enable @@ -373,7 +372,7 @@ static void pxa_irda_fir_dma_tx_irq(int channel, void *data) while (ICSR1 & ICSR1_TBY) cpu_relax(); - si->last_oscr = readl_relaxed(OSCR); + si->last_clk = sched_clock(); /* * HACK: It looks like the TBY bit is dropped too soon. @@ -473,8 +472,8 @@ static irqreturn_t pxa_irda_fir_irq(int irq, void *dev_id) /* stop RX DMA */ DCSR(si->rxdma) &= ~DCSR_RUN; - si->last_oscr = readl_relaxed(OSCR); icsr0 = ICSR0; + si->last_clk = sched_clock(); if (icsr0 & (ICSR0_FRE | ICSR0_RAB)) { if (icsr0 & ICSR0_FRE) { @@ -549,7 +548,7 @@ static int pxa_irda_hard_xmit(struct sk_buff *skb, struct net_device *dev) skb_copy_from_linear_data(skb, si->dma_tx_buff, skb->len); if (mtt) - while ((unsigned)(readl_relaxed(OSCR) - si->last_oscr)/4 < mtt) + while ((sched_clock() - si->last_clk) * 1000 < mtt) cpu_relax(); /* stop RX DMA, disable FICP */ |