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-rw-r--r--packages/linux/linux-rp-2.6.24/tosa/0001-Allow-runtime-registration-of-regions-of-memory-that.patch201
1 files changed, 0 insertions, 201 deletions
diff --git a/packages/linux/linux-rp-2.6.24/tosa/0001-Allow-runtime-registration-of-regions-of-memory-that.patch b/packages/linux/linux-rp-2.6.24/tosa/0001-Allow-runtime-registration-of-regions-of-memory-that.patch
deleted file mode 100644
index ba79b4a470..0000000000
--- a/packages/linux/linux-rp-2.6.24/tosa/0001-Allow-runtime-registration-of-regions-of-memory-that.patch
+++ /dev/null
@@ -1,201 +0,0 @@
-From d48a09b301d9a460d5ce027433e8cb8872e7b5c3 Mon Sep 17 00:00:00 2001
-From: Ian Molton <spyro@f2s.com>
-Date: Fri, 4 Jan 2008 18:26:38 +0000
-Subject: [PATCH 01/64] Allow runtime registration of regions of memory that require dma bouncing.
-
----
- arch/arm/common/Kconfig | 4 ++
- arch/arm/common/dmabounce.c | 82 ++++++++++++++++++++++++++++++++++++-
- arch/arm/common/sa1111.c | 2 +-
- arch/arm/mach-ixp4xx/Kconfig | 1 +
- arch/arm/mach-ixp4xx/common-pci.c | 2 +-
- 5 files changed, 87 insertions(+), 4 deletions(-)
-
-diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig
-index 3e07346..5f357fb 100644
---- a/arch/arm/common/Kconfig
-+++ b/arch/arm/common/Kconfig
-@@ -13,10 +13,14 @@ config ICST307
- config SA1111
- bool
- select DMABOUNCE
-+ select PLATFORM_DMABOUNCE
-
- config DMABOUNCE
- bool
-
-+config PLATFORM_DMABOUNCE
-+ bool
-+
- config TIMER_ACORN
- bool
-
-diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c
-index 52fc6a8..ed80abe 100644
---- a/arch/arm/common/dmabounce.c
-+++ b/arch/arm/common/dmabounce.c
-@@ -16,6 +16,7 @@
- *
- * Copyright (C) 2002 Hewlett Packard Company.
- * Copyright (C) 2004 MontaVista Software, Inc.
-+ * Copyright (C) 2007 Dmitry Baryshkov <dbaryshkov@gmail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
-@@ -24,6 +25,7 @@
-
- #include <linux/module.h>
- #include <linux/init.h>
-+#include <linux/rwsem.h>
- #include <linux/slab.h>
- #include <linux/device.h>
- #include <linux/dma-mapping.h>
-@@ -80,6 +82,80 @@ struct dmabounce_device_info {
- rwlock_t lock;
- };
-
-+struct dmabounce_check_entry {
-+ struct list_head list;
-+ dmabounce_check checker;
-+ void *data;
-+};
-+
-+static struct list_head checkers = LIST_HEAD_INIT(checkers);
-+static rwlock_t checkers_lock = RW_LOCK_UNLOCKED;
-+
-+int
-+dmabounce_register_checker(dmabounce_check function, void *data)
-+{
-+ unsigned long flags;
-+ struct dmabounce_check_entry *entry =
-+ kzalloc(sizeof(struct dmabounce_check_entry), GFP_ATOMIC);
-+
-+ if (!entry)
-+ return ENOMEM;
-+
-+ INIT_LIST_HEAD(&entry->list);
-+ entry->checker = function;
-+ entry->data = data;
-+
-+ write_lock_irqsave(&checkers_lock, flags);
-+ list_add(&entry->list, &checkers);
-+ write_unlock_irqrestore(&checkers_lock, flags);
-+
-+ return 0;
-+}
-+
-+void
-+dmabounce_remove_checker(dmabounce_check function, void *data)
-+{
-+ unsigned long flags;
-+ struct list_head *pos;
-+
-+ write_lock_irqsave(&checkers_lock, flags);
-+ __list_for_each(pos, &checkers) {
-+ struct dmabounce_check_entry *entry = container_of(pos,
-+ struct dmabounce_check_entry, list);
-+ if (entry->checker == function && entry->data == data) {
-+ list_del(pos);
-+ write_unlock_irqrestore(&checkers_lock, flags);
-+ kfree(entry);
-+ return;
-+ }
-+ }
-+
-+ write_unlock_irqrestore(&checkers_lock, flags);
-+ printk(KERN_WARNING "dmabounce checker not found: %p\n", function);
-+}
-+
-+static int dma_needs_bounce(struct device *dev, dma_addr_t dma, size_t size)
-+{
-+ unsigned long flags;
-+ struct list_head *pos;
-+
-+ read_lock_irqsave(&checkers_lock, flags);
-+ __list_for_each(pos, &checkers) {
-+ struct dmabounce_check_entry *entry = container_of(pos,
-+ struct dmabounce_check_entry, list);
-+ if (entry->checker(dev, dma, size, entry->data)) {
-+ read_unlock_irqrestore(&checkers_lock, flags);
-+ return 1;
-+ }
-+ }
-+
-+ read_unlock_irqrestore(&checkers_lock, flags);
-+#ifdef CONFIG_PLATFORM_DMABOUNCE
-+ return platform_dma_needs_bounce(dev, dma, size);
-+#else
-+ return 0;
-+#endif
-+}
- #ifdef STATS
- static ssize_t dmabounce_show(struct device *dev, struct device_attribute *attr,
- char *buf)
-@@ -239,7 +315,7 @@ map_single(struct device *dev, void *ptr, size_t size,
- struct safe_buffer *buf;
-
- buf = alloc_safe_buffer(device_info, ptr, size, dir);
-- if (buf == 0) {
-+ if (buf == NULL) {
- dev_err(dev, "%s: unable to map unsafe buffer %p!\n",
- __func__, ptr);
- return 0;
-@@ -643,7 +719,6 @@ dmabounce_unregister_dev(struct device *dev)
- dev->bus_id, dev->bus->name);
- }
-
--
- EXPORT_SYMBOL(dma_map_single);
- EXPORT_SYMBOL(dma_unmap_single);
- EXPORT_SYMBOL(dma_map_sg);
-@@ -653,6 +728,9 @@ EXPORT_SYMBOL(dma_sync_single_for_device);
- EXPORT_SYMBOL(dma_sync_sg);
- EXPORT_SYMBOL(dmabounce_register_dev);
- EXPORT_SYMBOL(dmabounce_unregister_dev);
-+EXPORT_SYMBOL(dmabounce_register_checker);
-+EXPORT_SYMBOL(dmabounce_remove_checker);
-+
-
- MODULE_AUTHOR("Christopher Hoover <ch@hpl.hp.com>, Deepak Saxena <dsaxena@plexity.net>");
- MODULE_DESCRIPTION("Special dma_{map/unmap/dma_sync}_* routines for systems with limited DMA windows");
-diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
-index eb06d0b..3b8fbdd 100644
---- a/arch/arm/common/sa1111.c
-+++ b/arch/arm/common/sa1111.c
-@@ -778,7 +778,7 @@ static void __sa1111_remove(struct sa1111 *sachip)
- * This should only get called for sa1111_device types due to the
- * way we configure our device dma_masks.
- */
--int dma_needs_bounce(struct device *dev, dma_addr_t addr, size_t size)
-+int platform_dma_needs_bounce(struct device *dev, dma_addr_t addr, size_t size)
- {
- /*
- * Section 4.6 of the "Intel StrongARM SA-1111 Development Module
-diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig
-index 61b2dfc..5870371 100644
---- a/arch/arm/mach-ixp4xx/Kconfig
-+++ b/arch/arm/mach-ixp4xx/Kconfig
-@@ -161,6 +161,7 @@ comment "IXP4xx Options"
- config DMABOUNCE
- bool
- default y
-+ select PLATFORM_DMABOUNCE
- depends on PCI
-
- config IXP4XX_INDIRECT_PCI
-diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c
-index bf04121..ac46492 100644
---- a/arch/arm/mach-ixp4xx/common-pci.c
-+++ b/arch/arm/mach-ixp4xx/common-pci.c
-@@ -336,7 +336,7 @@ static int ixp4xx_pci_platform_notify_remove(struct device *dev)
- return 0;
- }
-
--int dma_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size)
-+int platform_dma_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size)
- {
- return (dev->bus == &pci_bus_type ) && ((dma_addr + size) >= SZ_64M);
- }
---
-1.5.3.8
-
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-25 00:53:56 +0000