diff options
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/ste_dma40.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 6e97cf6931f1..45e809f4acda 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -556,7 +556,6 @@ struct d40_gen_dmac { * later * @reg_val_backup_chan: Backup data for standard channel parameter registers. * @gcc_pwr_off_mask: Mask to maintain the channels that can be turned off. - * @initialized: true if the dma has been initialized * @gen_dmac: the struct for generic registers values to represent u8500/8540 * DMA controller */ @@ -594,7 +593,6 @@ struct d40_base { u32 reg_val_backup_v4[BACKUP_REGS_SZ_MAX]; u32 *reg_val_backup_chan; u16 gcc_pwr_off_mask; - bool initialized; struct d40_gen_dmac gen_dmac; }; @@ -3030,8 +3028,7 @@ static int dma40_runtime_resume(struct device *dev) struct platform_device *pdev = to_platform_device(dev); struct d40_base *base = platform_get_drvdata(pdev); - if (base->initialized) - d40_save_restore_registers(base, false); + d40_save_restore_registers(base, false); writel_relaxed(D40_DREG_GCC_ENABLE_ALL, base->virtbase + D40_DREG_GCC); @@ -3645,12 +3642,6 @@ static int __init d40_probe(struct platform_device *pdev) goto failure; } - pm_runtime_irq_safe(base->dev); - pm_runtime_set_autosuspend_delay(base->dev, DMA40_AUTOSUSPEND_DELAY); - pm_runtime_use_autosuspend(base->dev); - pm_runtime_enable(base->dev); - pm_runtime_resume(base->dev); - if (base->plat_data->use_esram_lcla) { base->lcpa_regulator = regulator_get(base->dev, "lcla_esram"); @@ -3671,7 +3662,15 @@ static int __init d40_probe(struct platform_device *pdev) } } - base->initialized = true; + writel_relaxed(D40_DREG_GCC_ENABLE_ALL, base->virtbase + D40_DREG_GCC); + + pm_runtime_irq_safe(base->dev); + pm_runtime_set_autosuspend_delay(base->dev, DMA40_AUTOSUSPEND_DELAY); + pm_runtime_use_autosuspend(base->dev); + pm_runtime_mark_last_busy(base->dev); + pm_runtime_set_active(base->dev); + pm_runtime_enable(base->dev); + ret = d40_dmaengine_init(base, num_reserved_chans); if (ret) goto failure; |