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Date: Sat, 22 May 2010 10:17:14 -0300
From: Durval Menezes <durval@....com.br>
To: linux-kernel@...r.kernel.org
Subject: [2.6.32.13 patch] compiling with GCC3, and why I think that's still relevant
Hello,
Below please find a patch to enable compilation of the stock 2.6.32.13
linux kernel using GCC3; With it, I have been able to compile and run
that kernel without any problems on my Thinkpad R60 laptop, running an
otherwise almost-standard RHEL4.8.
Regarding the recent discussion about support for compiling the kernel
with GCC3 on x86, I would like to add my opinion that, if it's not too
costly in terms of development effort, then it's something worth keeping.
I for one keep many machines running older distros with more modern
kernels, and I suspect that my situation is far from being uncommon.
Best Regards,
--
Durval Menezes (durval AT tmp DOT com DOT br, http://www.tmp.com.br/)
#Sat May 22 08:09:02 BRT 2010
#Fixes for some source files on Linux 2.6.32.12 so t will compile with gcc3
#(more specifically, gcc 3.4.6 which comes with RHEL/CentOS 4.8)
# -- Durval Menezes (durval AT tmp DOT com DOT br)
--- ./drivers/media/dvb/frontends/lgs8gxx.c.orig-20100521 2009-12-03 01:51:21.000000000 -0200
+++ ./drivers/media/dvb/frontends/lgs8gxx.c 2010-05-21 08:35:35.000000000 -0300
@@ -199,7 +199,8 @@
val = freq;
if (freq != 0) {
- val *= (u64)1 << 32;
+ // val *= (u64)1 << 32;
+ val <<= 32;
if (if_clk != 0)
do_div(val, if_clk);
v32 = val & 0xFFFFFFFF;
@@ -246,7 +247,8 @@
val = v32;
val *= priv->config->if_clk_freq;
- val /= (u64)1 << 32;
+ // val /= (u64)1 << 32;
+ val >>= 32;
dprintk("AFC = %u kHz\n", (u32)val);
return 0;
}
--- ./drivers/message/fusion/mptsas.c.orig-20100507 2009-12-03 01:51:21.000000000 -0200
+++ ./drivers/message/fusion/mptsas.c 2010-05-07 15:01:00.000000000 -0300
@@ -1,3 +1,8 @@
+/* 2010/05/07 moved mptsas_set_rphy() function definition from after
+** to before function mptsas_port_delete() (Durval Menezes, instructed by
+** http://mekaananth.blogspot.com/2009/09/how-to-compile-linux-kernel-2631.html)
+*/
+
/*
* linux/drivers/message/fusion/mptsas.c
* For use with LSI PCI chip/adapter(s)
@@ -436,6 +441,23 @@
return 0;
}
+static inline void
+mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy)
+{
+ if (phy_info->port_details) {
+ phy_info->port_details->rphy = rphy;
+ dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n",
+ ioc->name, rphy));
+ }
+
+ if (rphy) {
+ dsaswideprintk(ioc, dev_printk(KERN_DEBUG,
+ &rphy->dev, MYIOC_s_FMT "add:", ioc->name));
+ dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n",
+ ioc->name, rphy, rphy->dev.release));
+ }
+}
+
/* no mutex */
static void
mptsas_port_delete(MPT_ADAPTER *ioc, struct mptsas_portinfo_details * port_details)
@@ -474,23 +496,6 @@
return NULL;
}
-static inline void
-mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy)
-{
- if (phy_info->port_details) {
- phy_info->port_details->rphy = rphy;
- dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n",
- ioc->name, rphy));
- }
-
- if (rphy) {
- dsaswideprintk(ioc, dev_printk(KERN_DEBUG,
- &rphy->dev, MYIOC_s_FMT "add:", ioc->name));
- dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n",
- ioc->name, rphy, rphy->dev.release));
- }
-}
-
static inline struct sas_port *
mptsas_get_port(struct mptsas_phyinfo *phy_info)
{
--- ./drivers/staging/quatech_usb2/quatech_usb2.c.orig-20100510 2009-12-03 01:51:21.000000000 -0200
+++ ./drivers/staging/quatech_usb2/quatech_usb2.c 2010-05-21 08:09:41.000000000 -0300
@@ -271,6 +271,30 @@
unsigned short stop);
/* implementation functions, roughly in order of use, are here */
+static inline void qt2_set_dev_private(struct usb_serial *serial,
+ struct quatech2_dev *data)
+{
+ usb_set_serial_data(serial, (void *)data);
+}
+
+static inline struct quatech2_port *qt2_get_port_private(struct usb_serial_port
+ *port)
+{
+ return (struct quatech2_port *)usb_get_serial_port_data(port);
+}
+
+static inline void qt2_set_port_private(struct usb_serial_port *port,
+ struct quatech2_port *data)
+{
+ usb_set_serial_port_data(port, (void *)data);
+}
+
+static inline struct quatech2_dev *qt2_get_dev_private(struct usb_serial
+ *serial)
+{
+ return (struct quatech2_dev *)usb_get_serial_data(serial);
+}
+
static int qt2_calc_num_ports(struct usb_serial *serial)
{
int num_ports;
@@ -1358,29 +1382,6 @@
return 0;
}
-static inline struct quatech2_port *qt2_get_port_private(struct usb_serial_port
- *port)
-{
- return (struct quatech2_port *)usb_get_serial_port_data(port);
-}
-
-static inline void qt2_set_port_private(struct usb_serial_port *port,
- struct quatech2_port *data)
-{
- usb_set_serial_port_data(port, (void *)data);
-}
-
-static inline struct quatech2_dev *qt2_get_dev_private(struct usb_serial
- *serial)
-{
- return (struct quatech2_dev *)usb_get_serial_data(serial);
-}
-static inline void qt2_set_dev_private(struct usb_serial *serial,
- struct quatech2_dev *data)
-{
- usb_set_serial_data(serial, (void *)data);
-}
-
static int qt2_openboxchannel(struct usb_serial *serial, __u16
Uart_Number, struct qt2_status_data *status)
{
--- ./drivers/staging/rt3090/config.mk.orig-20100521 2009-12-03 01:51:21.000000000 -0200
+++ ./drivers/staging/rt3090/config.mk 2010-05-21 08:14:25.000000000 -0300
@@ -87,7 +87,7 @@
HAS_ANTENNA_DIVERSITY_SUPPORT=y
#################################################
-WFLAGS := -DAGGREGATION_SUPPORT -DPIGGYBACK_SUPPORT -DWMM_SUPPORT -DLINUX -Wall -Wstrict-prototypes -Wno-trigraphs -Wpointer-sign
+WFLAGS := -DAGGREGATION_SUPPORT -DPIGGYBACK_SUPPORT -DWMM_SUPPORT -DLINUX -Wall -Wstrict-prototypes -Wno-trigraphs
ifeq ($(HAS_KTHREAD_SUPPORT),y)
WFLAGS += -DKTHREAD_SUPPORT
--
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