diff options
Diffstat (limited to 'meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0005-Add-rcar-dma-hibernation-code.patch')
| -rwxr-xr-x | meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0005-Add-rcar-dma-hibernation-code.patch | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0005-Add-rcar-dma-hibernation-code.patch b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0005-Add-rcar-dma-hibernation-code.patch deleted file mode 100755 index b446fa301..000000000 --- a/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0005-Add-rcar-dma-hibernation-code.patch +++ /dev/null @@ -1,113 +0,0 @@ -From c094e905cb0f542acdeb5d7009ab9edc812897f7 Mon Sep 17 00:00:00 2001 -From: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com> -Date: Thu, 18 May 2017 17:32:30 +0900 -Subject: [PATCH 05/15] Add rcar-dma hibernation code - -Signed-off-by: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com> ---- - drivers/dma/sh/rcar-dmac.c | 27 +++++++++++++++++++++++++++ - 1 file changed, 27 insertions(+) - -diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c -index e5e60ee..3b4a684 100644 ---- a/drivers/dma/sh/rcar-dmac.c -+++ b/drivers/dma/sh/rcar-dmac.c -@@ -121,6 +121,7 @@ struct rcar_dmac_desc_page { - * struct rcar_dmac_chan - R-Car Gen2 DMA Controller Channel - * @chan: base DMA channel object - * @iomem: channel I/O memory base -+ * @backup: channel I/O memory backup base - * @index: index of this channel in the controller - * @src_xfer_size: size (in bytes) of hardware transfers on the source side - * @dst_xfer_size: size (in bytes) of hardware transfers on the destination side -@@ -140,6 +141,7 @@ struct rcar_dmac_desc_page { - struct rcar_dmac_chan { - struct dma_chan chan; - void __iomem *iomem; -+ void *backup; - unsigned int index; - - unsigned int src_xfer_size; -@@ -171,6 +173,7 @@ struct rcar_dmac_chan { - * @engine: base DMA engine object - * @dev: the hardware device - * @iomem: remapped I/O memory base -+ * @backup: remapped I/O memory backup base - * @n_channels: number of available channels - * @channels: array of DMAC channels - * @modules: bitmask of client modules in use -@@ -179,6 +182,7 @@ struct rcar_dmac { - struct dma_device engine; - struct device *dev; - void __iomem *iomem; -+ void *backup; - - unsigned int n_channels; - struct rcar_dmac_chan *channels; -@@ -277,6 +281,7 @@ static void rcar_dmac_write(struct rcar_dmac *dmac, u32 reg, u32 data) - writew(data, dmac->iomem + reg); - else - writel(data, dmac->iomem + reg); -+ writel(data, dmac->backup + reg); - } - - static u32 rcar_dmac_read(struct rcar_dmac *dmac, u32 reg) -@@ -301,6 +306,7 @@ static void rcar_dmac_chan_write(struct rcar_dmac_chan *chan, u32 reg, u32 data) - writew(data, chan->iomem + reg); - else - writel(data, chan->iomem + reg); -+ writel(data, chan->backup + reg); - } - - /* ----------------------------------------------------------------------------- -@@ -1548,10 +1554,25 @@ static int rcar_dmac_runtime_resume(struct device *dev) - } - #endif - -+static int rcar_dmac_freeze(struct device *dev) -+{ -+ return 0; -+} -+ -+static int rcar_dmac_restore(struct device *dev) -+{ -+ int ret; -+ struct rcar_dmac *dmac = dev_get_drvdata(dev); -+ ret = rcar_dmac_init(dmac); -+ return ret; -+} -+ - static const struct dev_pm_ops rcar_dmac_pm = { - SET_SYSTEM_SLEEP_PM_OPS(rcar_dmac_sleep_suspend, rcar_dmac_sleep_resume) - SET_RUNTIME_PM_OPS(rcar_dmac_runtime_suspend, rcar_dmac_runtime_resume, - NULL) -+ .freeze = rcar_dmac_freeze, -+ .restore = rcar_dmac_restore, - }; - - /* ----------------------------------------------------------------------------- -@@ -1571,6 +1592,7 @@ static int rcar_dmac_chan_probe(struct rcar_dmac *dmac, - - rchan->index = index; - rchan->iomem = dmac->iomem + RCAR_DMAC_CHAN_OFFSET(index); -+ rchan->backup = dmac->backup + RCAR_DMAC_CHAN_OFFSET(index); - rchan->mid_rid = -EINVAL; - - spin_lock_init(&rchan->lock); -@@ -1657,8 +1679,13 @@ static int rcar_dmac_probe(struct platform_device *pdev) - /* Request resources. */ - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - dmac->iomem = devm_ioremap_resource(&pdev->dev, mem); -+ dmac->backup = devm_kzalloc(&pdev->dev, resource_size(mem), GFP_KERNEL); - if (IS_ERR(dmac->iomem)) - return PTR_ERR(dmac->iomem); -+ dmac->backup = devm_kzalloc(&pdev->dev, resource_size(mem), GFP_KERNEL); -+ if (IS_ERR(dmac->backup)) { -+ return PTR_ERR(dmac->backup); -+ } - - irq = platform_get_irq_byname(pdev, "error"); - if (irq < 0) { --- -1.8.3.1 - |