From f35c4a3266bf655a177356e3e9b3a6df1d8e842e Mon Sep 17 00:00:00 2001 From: Jo-Philipp Wich Date: Tue, 7 Feb 2012 21:56:51 +0000 Subject: [PATCH] 8139cp: backport patches to make driver stable again List of patches that Jo-Philipp groveled out of git. Redux: defuzzed. Signed-off-by: Philip Prindeville SVN-Revision: 30366 --- .../x86/patches-3.2/001-alix_platform.patch | 8 ++-- .../x86/patches-3.2/002-geos_platform.patch | 12 +---- .../patches-3.2/005-net5501_platform.patch | 20 +++------ .../900-8139cp_napi_gro_flush.patch | 25 +++++++++++ .../patches-3.2/901-8139cp_eeprom_delay.patch | 37 +++++++++++++++ .../902-8139cp_config_rx_mode.patch | 45 +++++++++++++++++++ 6 files changed, 117 insertions(+), 30 deletions(-) create mode 100644 target/linux/x86/patches-3.2/900-8139cp_napi_gro_flush.patch create mode 100644 target/linux/x86/patches-3.2/901-8139cp_eeprom_delay.patch create mode 100644 target/linux/x86/patches-3.2/902-8139cp_config_rx_mode.patch diff --git a/target/linux/x86/patches-3.2/001-alix_platform.patch b/target/linux/x86/patches-3.2/001-alix_platform.patch index 21a5278cc6..de7005b381 100644 --- a/target/linux/x86/patches-3.2/001-alix_platform.patch +++ b/target/linux/x86/patches-3.2/001-alix_platform.patch @@ -58,7 +58,7 @@ index dc5f1d3..a24bf8c 100644 static struct gpio_led alix_leds[] = { { .name = "alix:1", -@@ -64,17 +106,22 @@ static struct platform_device alix_leds_ +@@ -64,17 +98,22 @@ static struct platform_device alix_leds_ .dev.platform_data = &alix_leds_data, }; @@ -83,7 +83,7 @@ index dc5f1d3..a24bf8c 100644 const char *bios_virt; const char *scan_end; const char *p; -@@ -109,7 +156,8 @@ static int __init alix_present(unsigned +@@ -109,7 +148,8 @@ static int __init alix_present(unsigned *a = '\0'; tail = p + alix_sig_len; @@ -93,7 +93,7 @@ index dc5f1d3..a24bf8c 100644 printk(KERN_INFO "%s: system is recognized as \"%s\"\n", KBUILD_MODNAME, name); -@@ -120,6 +169,24 @@ static int __init alix_present(unsigned +@@ -120,6 +160,24 @@ static int __init alix_present(unsigned return 0; } @@ -118,7 +118,7 @@ index dc5f1d3..a24bf8c 100644 static int __init alix_init(void) { const char tinybios_sig[] = "PC Engines ALIX."; -@@ -128,8 +197,9 @@ static int __init alix_init(void) +@@ -128,8 +186,9 @@ static int __init alix_init(void) if (!is_geode()) return 0; diff --git a/target/linux/x86/patches-3.2/002-geos_platform.patch b/target/linux/x86/patches-3.2/002-geos_platform.patch index cdb8dc2f14..2f5d32e8e1 100644 --- a/target/linux/x86/patches-3.2/002-geos_platform.patch +++ b/target/linux/x86/patches-3.2/002-geos_platform.patch @@ -24,11 +24,9 @@ Cc: Andrew Morton 3 files changed, 136 insertions(+), 0 deletions(-) create mode 100644 arch/x86/platform/geode/geos.c -diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig -index 07c3f15..4ee921b 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig -@@ -2168,6 +2168,13 @@ config ALIX +@@ -2090,6 +2090,13 @@ config ALIX Note: You have to set alix.force=1 for boards with Award BIOS. @@ -42,16 +40,11 @@ index 07c3f15..4ee921b 100644 endif # X86_32 config AMD_NB -diff --git a/arch/x86/platform/geode/Makefile b/arch/x86/platform/geode/Makefile -index 07c9cd0..d8ba564 100644 --- a/arch/x86/platform/geode/Makefile +++ b/arch/x86/platform/geode/Makefile @@ -1 +1,2 @@ obj-$(CONFIG_ALIX) += alix.o +obj-$(CONFIG_GEOS) += geos.o -diff --git a/arch/x86/platform/geode/geos.c b/arch/x86/platform/geode/geos.c -new file mode 100644 -index 0000000..c2e6d53 --- /dev/null +++ b/arch/x86/platform/geode/geos.c @@ -0,0 +1,128 @@ @@ -183,6 +176,3 @@ index 0000000..c2e6d53 +MODULE_AUTHOR("Philip Prindeville "); +MODULE_DESCRIPTION("Traverse Technologies Geos System Setup"); +MODULE_LICENSE("GPL"); --- -1.7.7.4 - diff --git a/target/linux/x86/patches-3.2/005-net5501_platform.patch b/target/linux/x86/patches-3.2/005-net5501_platform.patch index 1297214641..290e79a022 100644 --- a/target/linux/x86/patches-3.2/005-net5501_platform.patch +++ b/target/linux/x86/patches-3.2/005-net5501_platform.patch @@ -1,8 +1,6 @@ -diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig -index 2f18a15..7a4f34b 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig -@@ -2174,6 +2174,12 @@ config GEOS +@@ -2097,6 +2097,12 @@ config GEOS ---help--- This option enables system support for the Traverse Technologies GEOS. @@ -15,17 +13,12 @@ index 2f18a15..7a4f34b 100644 endif # X86_32 config AMD_NB -diff --git a/arch/x86/platform/geode/Makefile b/arch/x86/platform/geode/Makefile -index d8ba564..5b51194 100644 --- a/arch/x86/platform/geode/Makefile +++ b/arch/x86/platform/geode/Makefile @@ -1,2 +1,3 @@ obj-$(CONFIG_ALIX) += alix.o +obj-$(CONFIG_NET5501) += net5501.o obj-$(CONFIG_GEOS) += geos.o -diff --git a/arch/x86/platform/geode/net5501.c b/arch/x86/platform/geode/net5501.c -new file mode 100644 -index 0000000..66d377e --- /dev/null +++ b/arch/x86/platform/geode/net5501.c @@ -0,0 +1,154 @@ @@ -183,9 +176,6 @@ index 0000000..66d377e +MODULE_AUTHOR("Philip Prindeville "); +MODULE_DESCRIPTION("Soekris net5501 System Setup"); +MODULE_LICENSE("GPL"); -diff --git a/drivers/leds/leds-net5501.c b/drivers/leds/leds-net5501.c -deleted file mode 100644 -index 0555d47..0000000 --- a/drivers/leds/leds-net5501.c +++ /dev/null @@ -1,97 +0,0 @@ @@ -286,8 +276,8 @@ index 0555d47..0000000 -arch_initcall(soekris_init); - -MODULE_LICENSE("GPL"); ---- a/drivers/leds/Kconfig 2012-01-29 23:22:59.487891522 -0700 -+++ b/drivers/leds/Kconfig 2012-02-03 10:33:39.650202054 -0700 +--- a/drivers/leds/Kconfig ++++ b/drivers/leds/Kconfig @@ -89,16 +89,6 @@ config LEDS_NET48XX This option enables support for the Soekris net4801 and net4826 error LED. @@ -305,8 +295,8 @@ index 0555d47..0000000 config LEDS_FSG tristate "LED Support for the Freecom FSG-3" depends on LEDS_CLASS ---- a/drivers/leds/Makefile 2012-01-29 23:22:59.487891522 -0700 -+++ b/drivers/leds/Makefile 2012-02-03 10:33:24.468430696 -0700 +--- a/drivers/leds/Makefile ++++ b/drivers/leds/Makefile @@ -14,7 +14,6 @@ obj-$(CONFIG_LEDS_MIKROTIK_RB532) += led obj-$(CONFIG_LEDS_S3C24XX) += leds-s3c24xx.o obj-$(CONFIG_LEDS_AMS_DELTA) += leds-ams-delta.o diff --git a/target/linux/x86/patches-3.2/900-8139cp_napi_gro_flush.patch b/target/linux/x86/patches-3.2/900-8139cp_napi_gro_flush.patch new file mode 100644 index 0000000000..532cb2ca0d --- /dev/null +++ b/target/linux/x86/patches-3.2/900-8139cp_napi_gro_flush.patch @@ -0,0 +1,25 @@ +From b189e810619a676e6b931a942a3e8387f3d39c21 Mon Sep 17 00:00:00 2001 +From: =?utf8?q?fran=C3=A7ois=20romieu?= +Date: Sun, 8 Jan 2012 13:41:33 +0000 +Subject: [PATCH] 8139cp: fix missing napi_gro_flush. + +The driver uses __napi_complete and napi_gro_receive. Without it, the +driver hits the BUG_ON(n->gro_list) assertion hard in __napi_complete. + +Signed-off-by: Francois Romieu +Tested-by: Marin Glibic +Signed-off-by: David S. Miller +--- + drivers/net/ethernet/realtek/8139cp.c | 1 + + 1 files changed, 1 insertions(+), 0 deletions(-) + +--- a/drivers/net/ethernet/realtek/8139cp.c ++++ b/drivers/net/ethernet/realtek/8139cp.c +@@ -563,6 +563,7 @@ rx_next: + if (cpr16(IntrStatus) & cp_rx_intr_mask) + goto rx_status_loop; + ++ napi_gro_flush(napi); + spin_lock_irqsave(&cp->lock, flags); + __napi_complete(napi); + cpw16_f(IntrMask, cp_intr_mask); diff --git a/target/linux/x86/patches-3.2/901-8139cp_eeprom_delay.patch b/target/linux/x86/patches-3.2/901-8139cp_eeprom_delay.patch new file mode 100644 index 0000000000..388755d266 --- /dev/null +++ b/target/linux/x86/patches-3.2/901-8139cp_eeprom_delay.patch @@ -0,0 +1,37 @@ +From 7d03f5a48e4d90854275b06433626243b3b3db17 Mon Sep 17 00:00:00 2001 +From: Jason Wang +Date: Fri, 30 Dec 2011 23:44:33 +0000 +Subject: [PATCH] 8139cp/8139too: do not read into reserved registers + +delay_eeprom() use long read for Cfg9346 register(offset 0x50) which may read +into the area of reserved register(offset 0x53). Use byte read instead. + +Signed-off-by: Jason Wang +Signed-off-by: David S. Miller +--- + drivers/net/ethernet/realtek/8139cp.c | 2 +- + drivers/net/ethernet/realtek/8139too.c | 2 +- + 2 files changed, 2 insertions(+), 2 deletions(-) + +--- a/drivers/net/ethernet/realtek/8139cp.c ++++ b/drivers/net/ethernet/realtek/8139cp.c +@@ -1590,7 +1590,7 @@ static int cp_set_mac_address(struct net + No extra delay is needed with 33Mhz PCI, but 66Mhz may change this. + */ + +-#define eeprom_delay() readl(ee_addr) ++#define eeprom_delay() readb(ee_addr) + + /* The EEPROM commands include the alway-set leading bit. */ + #define EE_EXTEND_CMD (4) +--- a/drivers/net/ethernet/realtek/8139too.c ++++ b/drivers/net/ethernet/realtek/8139too.c +@@ -1122,7 +1122,7 @@ static void __devexit rtl8139_remove_one + No extra delay is needed with 33Mhz PCI, but 66Mhz may change this. + */ + +-#define eeprom_delay() (void)RTL_R32(Cfg9346) ++#define eeprom_delay() (void)RTL_R8(Cfg9346) + + /* The EEPROM commands include the alway-set leading bit. */ + #define EE_WRITE_CMD (5) diff --git a/target/linux/x86/patches-3.2/902-8139cp_config_rx_mode.patch b/target/linux/x86/patches-3.2/902-8139cp_config_rx_mode.patch new file mode 100644 index 0000000000..e5c17d16f2 --- /dev/null +++ b/target/linux/x86/patches-3.2/902-8139cp_config_rx_mode.patch @@ -0,0 +1,45 @@ +From f872b237c1750221932e715da2552225afe4a95c Mon Sep 17 00:00:00 2001 +From: Jason Wang +Date: Fri, 30 Dec 2011 23:44:42 +0000 +Subject: [PATCH] 8139cp: properly config rx mode after resuming + +Rx mode should be reset after resming, so unconditionally updating rx +mode rather than conditionally updating based on the value we +remembered, otherwise unexpected value may be used by the nic after +resuming. + +btw. I find and test this when debugging guest hibernation in qemu, as +I did not have a 8139cp card in hand, this patch is untested in a +physical 8139cp card, plase review it carefully. + +Signed-off-by: Jason Wang +Signed-off-by: David S. Miller +--- + drivers/net/ethernet/realtek/8139cp.c | 9 +++------ + 1 files changed, 3 insertions(+), 6 deletions(-) + +--- a/drivers/net/ethernet/realtek/8139cp.c ++++ b/drivers/net/ethernet/realtek/8139cp.c +@@ -860,7 +860,6 @@ static void __cp_set_rx_mode (struct net + struct cp_private *cp = netdev_priv(dev); + u32 mc_filter[2]; /* Multicast hash filter */ + int rx_mode; +- u32 tmp; + + /* Note: do not reorder, GCC is clever about common statements. */ + if (dev->flags & IFF_PROMISC) { +@@ -887,11 +886,9 @@ static void __cp_set_rx_mode (struct net + } + + /* We can safely update without stopping the chip. */ +- tmp = cp_rx_config | rx_mode; +- if (cp->rx_config != tmp) { +- cpw32_f (RxConfig, tmp); +- cp->rx_config = tmp; +- } ++ cp->rx_config = cp_rx_config | rx_mode; ++ cpw32_f(RxConfig, cp->rx_config); ++ + cpw32_f (MAR0 + 0, mc_filter[0]); + cpw32_f (MAR0 + 4, mc_filter[1]); + } -- 2.25.1