[oe-commits] Steffen Sledz : linux-2.6.24: use kernel module for SATA disks at hipox machine
git version control
git at git.openembedded.org
Thu Aug 20 12:14:38 UTC 2009
Module: openembedded.git
Branch: org.openembedded.dev
Commit: de8bab6aedd500e656011a7c03b4c9fe389a2b83
URL: http://gitweb.openembedded.net/?p=openembedded.git&a=commit;h=de8bab6aedd500e656011a7c03b4c9fe389a2b83
Author: Steffen Sledz <sledz at dresearch.de>
Date: Thu Aug 20 14:13:36 2009 +0200
linux-2.6.24: use kernel module for SATA disks at hipox machine
---
recipes/linux/linux-2.6.24/hipox/defconfig | 6 +-
.../linux-2.6.24/hipox/hipox-sata-module.patch | 198 ++++++++++++++++++++
recipes/linux/linux_2.6.24.bb | 3 +-
3 files changed, 203 insertions(+), 4 deletions(-)
diff --git a/recipes/linux/linux-2.6.24/hipox/defconfig b/recipes/linux/linux-2.6.24/hipox/defconfig
index 442bf3c..62c6d16 100644
--- a/recipes/linux/linux-2.6.24/hipox/defconfig
+++ b/recipes/linux/linux-2.6.24/hipox/defconfig
@@ -557,7 +557,7 @@ CONFIG_SCSI_PROC_FS=y
#
# SCSI support type (disk, tape, CD-ROM)
#
-CONFIG_BLK_DEV_SD=y
+CONFIG_BLK_DEV_SD=m
# CONFIG_CHR_DEV_ST is not set
# CONFIG_CHR_DEV_OSST is not set
# CONFIG_BLK_DEV_SR is not set
@@ -615,7 +615,7 @@ CONFIG_SCSI_LOWLEVEL=y
# CONFIG_SCSI_NSP32 is not set
# CONFIG_SCSI_DEBUG is not set
# CONFIG_SCSI_SRP is not set
-CONFIG_ATA=y
+CONFIG_ATA=m
# CONFIG_ATA_NONSTANDARD is not set
# CONFIG_SATA_AHCI is not set
# CONFIG_SATA_SVW is not set
@@ -633,7 +633,7 @@ CONFIG_ATA=y
# CONFIG_SATA_VIA is not set
# CONFIG_SATA_VITESSE is not set
# CONFIG_SATA_INIC162X is not set
-CONFIG_SATA_OX810=y
+CONFIG_SATA_OX810=m
# CONFIG_SATA_HIPOX_SINGLE_SATA is not set
# CONFIG_SATA_HIPOX_DISK_LIGHT is not set
# CONFIG_PATA_ALI is not set
diff --git a/recipes/linux/linux-2.6.24/hipox/hipox-sata-module.patch b/recipes/linux/linux-2.6.24/hipox/hipox-sata-module.patch
new file mode 100644
index 0000000..f7c4769
--- /dev/null
+++ b/recipes/linux/linux-2.6.24/hipox/hipox-sata-module.patch
@@ -0,0 +1,198 @@
+diff -Nurd linux-2.6.24.orig//arch/arm/mach-hipox/dma.c linux-2.6.24/arch/arm/mach-hipox/dma.c
+--- linux-2.6.24.orig//arch/arm/mach-hipox/dma.c 2009-08-20 08:10:53.000000000 +0200
++++ linux-2.6.24/arch/arm/mach-hipox/dma.c 2009-08-20 08:17:17.000000000 +0200
+@@ -2847,3 +2847,8 @@
+ EXPORT_SYMBOL(hipox_sata_dma_settings);
+ EXPORT_SYMBOL(hipox_dpe_rx_dma_settings);
+ EXPORT_SYMBOL(hipox_dpe_tx_dma_settings);
++
++EXPORT_SYMBOL(hipox_dma_device_set_sg);
++EXPORT_SYMBOL(hipox_dma_alloc_sg_entries);
++EXPORT_SYMBOL(hipox_dma_device_set_prd);
++EXPORT_SYMBOL(hipox_dma_free_sg_entries);
+diff -Nurd linux-2.6.24.orig//drivers/ata/Kconfig linux-2.6.24/drivers/ata/Kconfig
+--- linux-2.6.24.orig//drivers/ata/Kconfig 2009-08-20 08:10:53.000000000 +0200
++++ linux-2.6.24/drivers/ata/Kconfig 2009-08-20 08:17:17.000000000 +0200
+@@ -190,7 +190,7 @@
+ This option enables support for the 924 based sata core
+
+ config SATA_OX810
+- bool "Oxford Semiconductor OX810 SATA support"
++ tristate "Oxford Semiconductor OX810 SATA support"
+ depends on ARCH_HIPOX && HIPOX_VERSION_0X810
+ default n
+ help
+diff -Nurd linux-2.6.24.orig//drivers/ata/ox810sata.c linux-2.6.24/drivers/ata/ox810sata.c
+--- linux-2.6.24.orig//drivers/ata/ox810sata.c 2009-08-20 08:10:53.000000000 +0200
++++ linux-2.6.24/drivers/ata/ox810sata.c 2009-08-20 08:17:17.000000000 +0200
+@@ -52,7 +52,7 @@
+ //#define SATA_DUMP_REGS
+ //#define SATA_TF_DUMP
+ //#define DEBUG_EOT_FAILURE
+-#define ERROR_INJECTION
++//#define ERROR_INJECTION
+
+ #define CRAZY_DUMP_DEBUG
+ #if 0
+@@ -192,6 +192,7 @@
+ .error_inject = 0,
+ .hw_raid_active = 0,
+ .active_port = 0,
++ .spot_the_end_q = NULL,
+ };
+
+ /** If we were writing this in C++ then we would be deriving a subclass of
+@@ -274,7 +275,7 @@
+
+ /**************************************************************************/
+ MODULE_LICENSE("GPL");
+-MODULE_VERSION(1.0);
++MODULE_VERSION("1.0");
+ MODULE_AUTHOR(DRIVER_AUTHOR);
+ MODULE_DESCRIPTION(DRIVER_DESC);
+
+@@ -386,7 +387,11 @@
+ }
+
+ /* initialise a work queue to spot the end of transfers */
++ if(!ox810sata_driver.spot_the_end_q)
++ {
+ ox810sata_driver.spot_the_end_q = create_singlethread_workqueue("sata-endQ");
++ }
++
+ if (!ox810sata_driver.spot_the_end_q) {
+ printk(KERN_ERR DRIVER_NAME " Couldn't create a work queue.\n");
+ return -1;
+@@ -416,6 +421,7 @@
+ if (!host) {
+ printk(KERN_ERR DRIVER_NAME " Couldn't create an ata host.\n");
+ destroy_workqueue(ox810sata_driver.spot_the_end_q);
++ ox810sata_driver.spot_the_end_q = NULL;
+ }
+
+ /* set to base of ata core */
+@@ -447,10 +453,19 @@
+
+ // Disable the clock to the SATA block
+ writel(1UL << SYS_CTRL_CKEN_SATA_BIT, SYS_CTRL_CKEN_CLR_CTRL);
++
++ if(ox810sata_driver.spot_the_end_q)
++ {
++ destroy_workqueue(ox810sata_driver.spot_the_end_q);
++ ox810sata_driver.spot_the_end_q = NULL;
++ }
+
+ return 0;
+ }
+
++static int ox810sata_device_init(void);
++static void ox810sata_device_exit(void);
++
+ /**
+ * module initialisation
+ * @return success
+@@ -461,6 +476,9 @@
+
+ ret = platform_driver_register( &ox810sata_driver.driver );
+ DPRINTK(" %i\n", ret);
++
++ if(ret)
++ return ret;
+
+ #ifdef ERROR_INJECTION
+ {
+@@ -473,6 +491,9 @@
+ //create_proc_read_entry("ox810sata_errorinject", 0, NULL, ox810sata_error_inject_show, NULL);
+ }
+ #endif
++
++ ret = ox810sata_device_init();
++
+ return ret;
+ }
+
+@@ -481,6 +502,8 @@
+ */
+ static void __exit ox810sata_exit( void )
+ {
++ ox810sata_device_exit();
++
+ platform_driver_unregister( &ox810sata_driver.driver );
+ }
+
+@@ -1578,6 +1601,13 @@
+ pd->sg_entries = 0;
+ }
+
++ if(ap->prd)
++ {
++ struct device* pdev = ap->host->dev;
++
++ dma_free_coherent(pdev, ATA_PRD_TBL_SZ, ap->prd, ap->prd_dma);
++ }
++
+ kfree(pd);
+ }
+
+@@ -2233,6 +2263,10 @@
+ },
+ };
+
++static void ox810_device_release(struct device *dev)
++{
++}
++
+ static struct platform_device ox810sata_dev0 =
+ {
+ .name = DRIVER_NAME,
+@@ -2240,6 +2274,7 @@
+ .num_resources = 2,
+ .resource = ox810sata_port0_resources,
+ .dev.coherent_dma_mask = 0xffffffff,
++ .dev.release = ox810_device_release,
+ };
+
+ static struct platform_device ox810sata_dev1 =
+@@ -2249,13 +2284,14 @@
+ .num_resources = 2,
+ .resource = ox810sata_port1_resources,
+ .dev.coherent_dma_mask = 0xffffffff,
++ .dev.release = ox810_device_release,
+ };
+
+ /**
+ * module initialisation
+ * @return success is 0
+ */
+-static int __init ox810sata_device_init( void )
++static int ox810sata_device_init( void )
+ {
+ int ret;
+
+@@ -2282,10 +2318,12 @@
+ /**
+ * module cleanup
+ */
+-static void __exit ox810sata_device_exit(void)
++static void ox810sata_device_exit(void)
+ {
+- platform_device_unregister( &ox810sata_dev0 );
++#ifndef CONFIG_OX810SATA_SINGLE_SATA
+ platform_device_unregister( &ox810sata_dev1 );
++#endif /* CONFIG_OX810_SINGLE_SATA */
++ platform_device_unregister( &ox810sata_dev0 );
+ }
+
+ /**
+@@ -2413,11 +2451,3 @@
+ }
+
+ #endif /* ERROR_INJECTION */
+-
+-
+-
+-/**
+- * macros to register intiialisation and exit functions with kernal
+- */
+-module_init(ox810sata_device_init);
+-module_exit(ox810sata_device_exit);
diff --git a/recipes/linux/linux_2.6.24.bb b/recipes/linux/linux_2.6.24.bb
index c0278bf..bfcfb89 100644
--- a/recipes/linux/linux_2.6.24.bb
+++ b/recipes/linux/linux_2.6.24.bb
@@ -12,7 +12,7 @@ DEFAULT_PREFERENCE_oxnas = "1"
DEFAULT_PREFERENCE_hipox = "1"
DEFAULT_PREFERENCE_cs-e9302 = "1"
-PR = "r31"
+PR = "r33"
SRC_URI = "${KERNELORG_MIRROR}/pub/linux/kernel/v2.6/linux-2.6.24.tar.bz2 \
file://squashfs-lzma-2.6.24.patch;patch=1 \
@@ -102,6 +102,7 @@ SRC_URI_append_hipox = " \
file://hipox-nand.patch;patch=1 \
file://hipox-ubifs.patch;patch=1 \
file://hipox-kconfig.patch;patch=1 \
+ file://hipox-sata-module.patch;patch=1 \
"
CMDLINE_cm-x270 = "console=${CMX270_CONSOLE_SERIAL_PORT},38400 monitor=1 mem=64M mtdparts=physmap-flash.0:256k(boot)ro,0x180000(kernel),-(root);cm-x270-nand:64m(app),-(data) rdinit=/sbin/init root=mtd3 rootfstype=jffs2"
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