aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/brcm2708/patches-4.4/0390-Revert-dmaengine-bcm2835-Load-driver-early-and-suppo.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0390-Revert-dmaengine-bcm2835-Load-driver-early-and-suppo.patch')
-rw-r--r--target/linux/brcm2708/patches-4.4/0390-Revert-dmaengine-bcm2835-Load-driver-early-and-suppo.patch90
1 files changed, 0 insertions, 90 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0390-Revert-dmaengine-bcm2835-Load-driver-early-and-suppo.patch b/target/linux/brcm2708/patches-4.4/0390-Revert-dmaengine-bcm2835-Load-driver-early-and-suppo.patch
deleted file mode 100644
index a7e4daa9cc..0000000000
--- a/target/linux/brcm2708/patches-4.4/0390-Revert-dmaengine-bcm2835-Load-driver-early-and-suppo.patch
+++ /dev/null
@@ -1,90 +0,0 @@
-From 7dd4ef8796bac4137484f636a04b02fba85537dc Mon Sep 17 00:00:00 2001
-From: Martin Sperl <kernel@martin.sperl.org>
-Date: Fri, 22 Apr 2016 17:17:30 +0000
-Subject: [PATCH] Revert "dmaengine: bcm2835: Load driver early and support
- legacy API"
-
-This reverts commit 6f56fff39c811953809b011f59c49a2122c4d173.
----
- drivers/dma/Kconfig | 2 +-
- drivers/dma/bcm2835-dma.c | 30 ++++++------------------------
- 2 files changed, 7 insertions(+), 25 deletions(-)
-
---- a/drivers/dma/Kconfig
-+++ b/drivers/dma/Kconfig
-@@ -108,7 +108,7 @@ config COH901318
-
- config DMA_BCM2835
- tristate "BCM2835 DMA engine support"
-- depends on ARCH_BCM2835 || ARCH_BCM2708 || ARCH_BCM2709
-+ depends on ARCH_BCM2835
- select DMA_ENGINE
- select DMA_VIRTUAL_CHANNELS
-
---- a/drivers/dma/bcm2835-dma.c
-+++ b/drivers/dma/bcm2835-dma.c
-@@ -36,7 +36,6 @@
- #include <linux/interrupt.h>
- #include <linux/list.h>
- #include <linux/module.h>
--#include <linux/platform_data/dma-bcm2708.h>
- #include <linux/platform_device.h>
- #include <linux/slab.h>
- #include <linux/io.h>
-@@ -787,10 +786,6 @@ static int bcm2835_dma_probe(struct plat
- if (IS_ERR(base))
- return PTR_ERR(base);
-
-- rc = bcm_dmaman_probe(pdev, base, BCM2835_DMA_BULK_MASK);
-- if (rc)
-- dev_err(&pdev->dev, "Failed to initialize the legacy API\n");
--
- od->base = base;
-
- dma_cap_set(DMA_SLAVE, od->ddev.cap_mask);
-@@ -823,8 +818,11 @@ static int bcm2835_dma_probe(struct plat
- goto err_no_dma;
- }
-
-- /* Channel 0 is used by the legacy API */
-- chans_available &= ~BCM2835_DMA_BULK_MASK;
-+ /*
-+ * Do not use the FIQ and BULK channels,
-+ * because they are used by the GPU.
-+ */
-+ chans_available &= ~(BCM2835_DMA_FIQ_MASK | BCM2835_DMA_BULK_MASK);
-
- for (i = 0; i < pdev->num_resources; i++) {
- irq = platform_get_irq(pdev, i);
-@@ -868,7 +866,6 @@ static int bcm2835_dma_remove(struct pla
- {
- struct bcm2835_dmadev *od = platform_get_drvdata(pdev);
-
-- bcm_dmaman_remove(pdev);
- dma_async_device_unregister(&od->ddev);
- bcm2835_dma_free(od);
-
-@@ -884,22 +881,7 @@ static struct platform_driver bcm2835_dm
- },
- };
-
--static int bcm2835_dma_init(void)
--{
-- return platform_driver_register(&bcm2835_dma_driver);
--}
--
--static void bcm2835_dma_exit(void)
--{
-- platform_driver_unregister(&bcm2835_dma_driver);
--}
--
--/*
-- * Load after serial driver (arch_initcall) so we see the messages if it fails,
-- * but before drivers (module_init) that need a DMA channel.
-- */
--subsys_initcall(bcm2835_dma_init);
--module_exit(bcm2835_dma_exit);
-+module_platform_driver(bcm2835_dma_driver);
-
- MODULE_ALIAS("platform:bcm2835-dma");
- MODULE_DESCRIPTION("BCM2835 DMA engine driver");