diff options
Diffstat (limited to 'target/linux/mvebu/patches-3.10/0125-mtd-nand-pxa3xx-Allow-devices-with-no-dma-resources.patch')
| -rw-r--r-- | target/linux/mvebu/patches-3.10/0125-mtd-nand-pxa3xx-Allow-devices-with-no-dma-resources.patch | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/target/linux/mvebu/patches-3.10/0125-mtd-nand-pxa3xx-Allow-devices-with-no-dma-resources.patch b/target/linux/mvebu/patches-3.10/0125-mtd-nand-pxa3xx-Allow-devices-with-no-dma-resources.patch deleted file mode 100644 index 3c57e87..0000000 --- a/target/linux/mvebu/patches-3.10/0125-mtd-nand-pxa3xx-Allow-devices-with-no-dma-resources.patch +++ /dev/null @@ -1,78 +0,0 @@ -From c26369f5b9929e1187ccf716d6d1678196ec0b4f Mon Sep 17 00:00:00 2001 -From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> -Date: Mon, 12 Aug 2013 14:14:58 -0300 -Subject: [PATCH 125/203] mtd: nand: pxa3xx: Allow devices with no dma - resources - -When use_dma=0 there's no point in requesting resources for dma, -since they won't be used anyway. Therefore we remove that requirement, -therefore allowing devices without dma to pass the driver probe. - -Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> -Tested-by: Daniel Mack <zonque@gmail.com> -Signed-off-by: Brian Norris <computersforpeace@gmail.com> -Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> ---- - drivers/mtd/nand/pxa3xx_nand.c | 51 +++++++++++++++++++++++------------------- - 1 file changed, 28 insertions(+), 23 deletions(-) - ---- a/drivers/mtd/nand/pxa3xx_nand.c -+++ b/drivers/mtd/nand/pxa3xx_nand.c -@@ -1141,30 +1141,35 @@ static int alloc_nand_resource(struct pl - if (ret < 0) - return ret; - -- /* -- * This is a dirty hack to make this driver work from devicetree -- * bindings. It can be removed once we have a prober DMA controller -- * framework for DT. -- */ -- if (pdev->dev.of_node && of_machine_is_compatible("marvell,pxa3xx")) { -- info->drcmr_dat = 97; -- info->drcmr_cmd = 99; -- } else { -- r = platform_get_resource(pdev, IORESOURCE_DMA, 0); -- if (r == NULL) { -- dev_err(&pdev->dev, "no resource defined for data DMA\n"); -- ret = -ENXIO; -- goto fail_disable_clk; -- } -- info->drcmr_dat = r->start; -+ if (use_dma) { -+ /* -+ * This is a dirty hack to make this driver work from -+ * devicetree bindings. It can be removed once we have -+ * a prober DMA controller framework for DT. -+ */ -+ if (pdev->dev.of_node && -+ of_machine_is_compatible("marvell,pxa3xx")) { -+ info->drcmr_dat = 97; -+ info->drcmr_cmd = 99; -+ } else { -+ r = platform_get_resource(pdev, IORESOURCE_DMA, 0); -+ if (r == NULL) { -+ dev_err(&pdev->dev, -+ "no resource defined for data DMA\n"); -+ ret = -ENXIO; -+ goto fail_disable_clk; -+ } -+ info->drcmr_dat = r->start; - -- r = platform_get_resource(pdev, IORESOURCE_DMA, 1); -- if (r == NULL) { -- dev_err(&pdev->dev, "no resource defined for command DMA\n"); -- ret = -ENXIO; -- goto fail_disable_clk; -+ r = platform_get_resource(pdev, IORESOURCE_DMA, 1); -+ if (r == NULL) { -+ dev_err(&pdev->dev, -+ "no resource defined for cmd DMA\n"); -+ ret = -ENXIO; -+ goto fail_disable_clk; -+ } -+ info->drcmr_cmd = r->start; - } -- info->drcmr_cmd = r->start; - } - - irq = platform_get_irq(pdev, 0); |