diff options
Diffstat (limited to 'drivers/spi/pxa2xx_spi.c')
-rw-r--r-- | drivers/spi/pxa2xx_spi.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c index c76feea5fe25..885194a07418 100644 --- a/drivers/spi/pxa2xx_spi.c +++ b/drivers/spi/pxa2xx_spi.c | |||
@@ -213,7 +213,7 @@ static int flush(struct driver_data *drv_data) | |||
213 | while (read_SSSR(reg) & SSSR_RNE) { | 213 | while (read_SSSR(reg) & SSSR_RNE) { |
214 | read_SSDR(reg); | 214 | read_SSDR(reg); |
215 | } | 215 | } |
216 | } while ((read_SSSR(reg) & SSSR_BSY) && limit--); | 216 | } while ((read_SSSR(reg) & SSSR_BSY) && --limit); |
217 | write_SSSR(SSSR_ROR, reg); | 217 | write_SSSR(SSSR_ROR, reg); |
218 | 218 | ||
219 | return limit; | 219 | return limit; |
@@ -484,7 +484,7 @@ static int wait_ssp_rx_stall(void const __iomem *ioaddr) | |||
484 | { | 484 | { |
485 | unsigned long limit = loops_per_jiffy << 1; | 485 | unsigned long limit = loops_per_jiffy << 1; |
486 | 486 | ||
487 | while ((read_SSSR(ioaddr) & SSSR_BSY) && limit--) | 487 | while ((read_SSSR(ioaddr) & SSSR_BSY) && --limit) |
488 | cpu_relax(); | 488 | cpu_relax(); |
489 | 489 | ||
490 | return limit; | 490 | return limit; |
@@ -494,7 +494,7 @@ static int wait_dma_channel_stop(int channel) | |||
494 | { | 494 | { |
495 | unsigned long limit = loops_per_jiffy << 1; | 495 | unsigned long limit = loops_per_jiffy << 1; |
496 | 496 | ||
497 | while (!(DCSR(channel) & DCSR_STOPSTATE) && limit--) | 497 | while (!(DCSR(channel) & DCSR_STOPSTATE) && --limit) |
498 | cpu_relax(); | 498 | cpu_relax(); |
499 | 499 | ||
500 | return limit; | 500 | return limit; |
@@ -1700,6 +1700,13 @@ static int pxa2xx_spi_resume(struct platform_device *pdev) | |||
1700 | struct ssp_device *ssp = drv_data->ssp; | 1700 | struct ssp_device *ssp = drv_data->ssp; |
1701 | int status = 0; | 1701 | int status = 0; |
1702 | 1702 | ||
1703 | if (drv_data->rx_channel != -1) | ||
1704 | DRCMR(drv_data->ssp->drcmr_rx) = | ||
1705 | DRCMR_MAPVLD | drv_data->rx_channel; | ||
1706 | if (drv_data->tx_channel != -1) | ||
1707 | DRCMR(drv_data->ssp->drcmr_tx) = | ||
1708 | DRCMR_MAPVLD | drv_data->tx_channel; | ||
1709 | |||
1703 | /* Enable the SSP clock */ | 1710 | /* Enable the SSP clock */ |
1704 | clk_enable(ssp->clk); | 1711 | clk_enable(ssp->clk); |
1705 | 1712 | ||