mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-08-21 14:12:26 +03:00
544 lines
17 KiB
Diff
544 lines
17 KiB
Diff
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--- a/arch/arm/mach-omap1/board-palmz71.c
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+++ b/arch/arm/mach-omap1/board-palmz71.c
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@@ -291,8 +291,7 @@ palmz71_gpio_setup(int early)
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}
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gpio_direction_input(PALMZ71_USBDETECT_GPIO);
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if (request_irq(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
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- palmz71_powercable, IRQF_SAMPLE_RANDOM,
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- "palmz71-cable", 0))
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+ palmz71_powercable, 0, "palmz71-cable", 0))
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printk(KERN_ERR
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"IRQ request for power cable failed!\n");
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palmz71_powercable(gpio_to_irq(PALMZ71_USBDETECT_GPIO), 0);
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--- a/arch/arm/mach-pxa/lubbock.c
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+++ b/arch/arm/mach-pxa/lubbock.c
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@@ -455,7 +455,7 @@ static int lubbock_mci_init(struct devic
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init_timer(&mmc_timer);
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mmc_timer.data = (unsigned long) data;
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return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int,
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- IRQF_SAMPLE_RANDOM, "lubbock-sd-detect", data);
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+ 0, "lubbock-sd-detect", data);
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}
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static int lubbock_mci_get_ro(struct device *dev)
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--- a/arch/arm/mach-pxa/magician.c
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+++ b/arch/arm/mach-pxa/magician.c
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@@ -617,9 +617,8 @@ static struct platform_device bq24022 =
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static int magician_mci_init(struct device *dev,
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irq_handler_t detect_irq, void *data)
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{
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- return request_irq(IRQ_MAGICIAN_SD, detect_irq,
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- IRQF_DISABLED | IRQF_SAMPLE_RANDOM,
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- "mmc card detect", data);
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+ return request_irq(IRQ_MAGICIAN_SD, detect_irq, IRQF_DISABLED,
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+ "mmc card detect", data);
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}
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static void magician_mci_exit(struct device *dev, void *data)
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--- a/arch/arm/mach-pxa/trizeps4.c
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+++ b/arch/arm/mach-pxa/trizeps4.c
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@@ -332,8 +332,8 @@ static int trizeps4_mci_init(struct devi
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int err;
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err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int,
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- IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_SAMPLE_RANDOM,
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- "MMC card detect", data);
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+ IRQF_DISABLED | IRQF_TRIGGER_RISING,
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+ "MMC card detect", data);
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if (err) {
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printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request"
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"MMC card detect IRQ\n");
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--- a/arch/ia64/kernel/irq_ia64.c
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+++ b/arch/ia64/kernel/irq_ia64.c
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@@ -23,7 +23,6 @@
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#include <linux/ioport.h>
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#include <linux/kernel_stat.h>
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#include <linux/ptrace.h>
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-#include <linux/random.h> /* for rand_initialize_irq() */
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#include <linux/signal.h>
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#include <linux/smp.h>
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#include <linux/threads.h>
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--- a/arch/sparc/kernel/ldc.c
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+++ b/arch/sparc/kernel/ldc.c
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@@ -1250,14 +1250,12 @@ int ldc_bind(struct ldc_channel *lp, con
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snprintf(lp->rx_irq_name, LDC_IRQ_NAME_MAX, "%s RX", name);
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snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name);
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- err = request_irq(lp->cfg.rx_irq, ldc_rx,
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- IRQF_SAMPLE_RANDOM | IRQF_DISABLED,
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+ err = request_irq(lp->cfg.rx_irq, ldc_rx, IRQF_DISABLED,
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lp->rx_irq_name, lp);
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if (err)
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return err;
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- err = request_irq(lp->cfg.tx_irq, ldc_tx,
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- IRQF_SAMPLE_RANDOM | IRQF_DISABLED,
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+ err = request_irq(lp->cfg.tx_irq, ldc_tx, IRQF_DISABLED,
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lp->tx_irq_name, lp);
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if (err) {
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free_irq(lp->cfg.rx_irq, lp);
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--- a/arch/um/drivers/line.c
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+++ b/arch/um/drivers/line.c
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@@ -371,7 +371,7 @@ static irqreturn_t line_write_interrupt(
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int line_setup_irq(int fd, int input, int output, struct line *line, void *data)
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{
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const struct line_driver *driver = line->driver;
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- int err = 0, flags = IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM;
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+ int err = 0, flags = IRQF_DISABLED | IRQF_SHARED;
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if (input)
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err = um_request_irq(driver->read_irq, fd, IRQ_READ,
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@@ -807,7 +807,7 @@ void register_winch_irq(int fd, int tty_
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.stack = stack });
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if (um_request_irq(WINCH_IRQ, fd, IRQ_READ, winch_interrupt,
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- IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM,
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+ IRQF_DISABLED | IRQF_SHARED,
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"winch", winch) < 0) {
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printk(KERN_ERR "register_winch_irq - failed to register "
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"IRQ\n");
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--- a/arch/um/drivers/mconsole_kern.c
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+++ b/arch/um/drivers/mconsole_kern.c
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@@ -773,7 +773,7 @@ static int __init mconsole_init(void)
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register_reboot_notifier(&reboot_notifier);
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err = um_request_irq(MCONSOLE_IRQ, sock, IRQ_READ, mconsole_interrupt,
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- IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM,
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+ IRQF_DISABLED | IRQF_SHARED,
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"mconsole", (void *)sock);
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if (err) {
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printk(KERN_ERR "Failed to get IRQ for management console\n");
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--- a/arch/um/drivers/port_kern.c
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+++ b/arch/um/drivers/port_kern.c
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@@ -100,7 +100,7 @@ static int port_accept(struct port_list
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.port = port });
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if (um_request_irq(TELNETD_IRQ, socket[0], IRQ_READ, pipe_interrupt,
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- IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM,
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+ IRQF_DISABLED | IRQF_SHARED,
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"telnetd", conn)) {
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printk(KERN_ERR "port_accept : failed to get IRQ for "
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"telnetd\n");
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@@ -184,7 +184,7 @@ void *port_data(int port_num)
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}
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if (um_request_irq(ACCEPT_IRQ, fd, IRQ_READ, port_interrupt,
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- IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM,
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+ IRQF_DISABLED | IRQF_SHARED,
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"port", port)) {
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printk(KERN_ERR "Failed to get IRQ for port %d\n", port_num);
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goto out_close;
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--- a/arch/um/drivers/random.c
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+++ b/arch/um/drivers/random.c
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@@ -131,8 +131,7 @@ static int __init rng_init (void)
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random_fd = err;
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err = um_request_irq(RANDOM_IRQ, random_fd, IRQ_READ, random_interrupt,
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- IRQF_DISABLED | IRQF_SAMPLE_RANDOM, "random",
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- NULL);
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+ IRQF_DISABLED, "random", NULL);
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if (err)
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goto err_out_cleanup_hw;
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--- a/arch/um/drivers/xterm_kern.c
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+++ b/arch/um/drivers/xterm_kern.c
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@@ -50,8 +50,7 @@ int xterm_fd(int socket, int *pid_out)
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init_completion(&data->ready);
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err = um_request_irq(XTERM_IRQ, socket, IRQ_READ, xterm_interrupt,
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- IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM,
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- "xterm", data);
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+ IRQF_DISABLED | IRQF_SHARED, "xterm", data);
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if (err) {
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printk(KERN_ERR "xterm_fd : failed to get IRQ for xterm, "
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"err = %d\n", err);
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--- a/arch/um/kernel/sigio.c
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+++ b/arch/um/kernel/sigio.c
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@@ -25,8 +25,7 @@ int write_sigio_irq(int fd)
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int err;
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err = um_request_irq(SIGIO_WRITE_IRQ, fd, IRQ_READ, sigio_interrupt,
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- IRQF_DISABLED|IRQF_SAMPLE_RANDOM, "write sigio",
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- NULL);
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+ IRQF_DISABLED, "write sigio", NULL);
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if (err) {
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printk(KERN_ERR "write_sigio_irq : um_request_irq failed, "
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"err = %d\n", err);
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--- a/Documentation/feature-removal-schedule.txt
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+++ b/Documentation/feature-removal-schedule.txt
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@@ -71,20 +71,6 @@ Who: Luis R. Rodriguez <lrodriguez@ather
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---------------------------
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-What: IRQF_SAMPLE_RANDOM
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-Check: IRQF_SAMPLE_RANDOM
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-When: July 2009
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-
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-Why: Many of IRQF_SAMPLE_RANDOM users are technically bogus as entropy
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- sources in the kernel's current entropy model. To resolve this, every
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- input point to the kernel's entropy pool needs to better document the
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- type of entropy source it actually is. This will be replaced with
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- additional add_*_randomness functions in drivers/char/random.c
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-
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-Who: Robin Getz <rgetz@blackfin.uclinux.org> & Matt Mackall <mpm@selenic.com>
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-
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----------------------------
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-
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What: The ieee80211_regdom module parameter
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When: March 2010 / desktop catchup
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--- a/drivers/block/xen-blkfront.c
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+++ b/drivers/block/xen-blkfront.c
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@@ -852,9 +852,8 @@ static int setup_blkring(struct xenbus_d
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if (err)
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goto fail;
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- err = bind_evtchn_to_irqhandler(info->evtchn,
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- blkif_interrupt,
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- IRQF_SAMPLE_RANDOM, "blkif", info);
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+ err = bind_evtchn_to_irqhandler(info->evtchn, blkif_interrupt, 0,
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+ "blkif", info);
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if (err <= 0) {
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xenbus_dev_fatal(dev, err,
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"bind_evtchn_to_irqhandler failed");
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--- a/drivers/char/random.c
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+++ b/drivers/char/random.c
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@@ -633,43 +633,6 @@ struct timer_rand_state {
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unsigned dont_count_entropy:1;
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};
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-#ifndef CONFIG_GENERIC_HARDIRQS
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-
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-static struct timer_rand_state *irq_timer_state[NR_IRQS];
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-
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-static struct timer_rand_state *get_timer_rand_state(unsigned int irq)
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-{
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- return irq_timer_state[irq];
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-}
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-
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-static void set_timer_rand_state(unsigned int irq,
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- struct timer_rand_state *state)
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-{
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- irq_timer_state[irq] = state;
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-}
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-
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-#else
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-
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-static struct timer_rand_state *get_timer_rand_state(unsigned int irq)
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-{
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- struct irq_desc *desc;
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-
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- desc = irq_to_desc(irq);
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-
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- return desc->timer_rand_state;
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-}
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-
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-static void set_timer_rand_state(unsigned int irq,
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- struct timer_rand_state *state)
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-{
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- struct irq_desc *desc;
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-
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- desc = irq_to_desc(irq);
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-
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- desc->timer_rand_state = state;
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-}
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-#endif
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-
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/*
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* Add device- or boot-specific data to the input and nonblocking
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* pools to help initialize them to unique values.
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@@ -1131,24 +1094,6 @@ static int rand_initialize(void)
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}
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module_init(rand_initialize);
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-void rand_initialize_irq(int irq)
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-{
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- struct timer_rand_state *state;
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-
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- state = get_timer_rand_state(irq);
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-
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- if (state)
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- return;
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-
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- /*
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- * If kzalloc returns null, we just won't use that entropy
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- * source.
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- */
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- state = kzalloc(sizeof(struct timer_rand_state), GFP_KERNEL);
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- if (state)
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- set_timer_rand_state(irq, state);
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-}
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-
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#ifdef CONFIG_BLOCK
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void rand_initialize_disk(struct gendisk *disk)
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{
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--- a/drivers/crypto/n2_core.c
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+++ b/drivers/crypto/n2_core.c
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@@ -1607,8 +1607,7 @@ static int spu_map_ino(struct platform_d
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sprintf(p->irq_name, "%s-%d", irq_name, index);
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- return request_irq(p->irq, handler, IRQF_SAMPLE_RANDOM,
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- p->irq_name, p);
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+ return request_irq(p->irq, handler, 0, p->irq_name, p);
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}
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static struct kmem_cache *queue_cache[2];
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--- a/drivers/hv/vmbus_drv.c
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+++ b/drivers/hv/vmbus_drv.c
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@@ -545,8 +545,7 @@ static int vmbus_bus_init(int irq)
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if (ret)
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goto err_cleanup;
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- ret = request_irq(irq, vmbus_isr, IRQF_SAMPLE_RANDOM,
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- driver_name, hv_acpi_dev);
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+ ret = request_irq(irq, vmbus_isr, 0, driver_name, hv_acpi_dev);
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if (ret != 0) {
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pr_err("Unable to request IRQ %d\n",
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--- a/drivers/i2c/busses/i2c-pmcmsp.c
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+++ b/drivers/i2c/busses/i2c-pmcmsp.c
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@@ -306,8 +306,7 @@ static int __devinit pmcmsptwi_probe(str
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pmcmsptwi_data.irq = platform_get_irq(pldev, 0);
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if (pmcmsptwi_data.irq) {
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rc = request_irq(pmcmsptwi_data.irq, &pmcmsptwi_interrupt,
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- IRQF_SHARED | IRQF_SAMPLE_RANDOM,
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- pldev->name, &pmcmsptwi_data);
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+ IRQF_SHARED, pldev->name, &pmcmsptwi_data);
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if (rc == 0) {
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/*
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* Enable 'DONE' interrupt only.
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--- a/drivers/input/serio/hp_sdc.c
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+++ b/drivers/input/serio/hp_sdc.c
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@@ -879,7 +879,7 @@ static int __init hp_sdc_init(void)
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#endif
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errstr = "IRQ not available for";
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- if (request_irq(hp_sdc.irq, &hp_sdc_isr, IRQF_SHARED|IRQF_SAMPLE_RANDOM,
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+ if (request_irq(hp_sdc.irq, &hp_sdc_isr, IRQF_SHARED,
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"HP SDC", &hp_sdc))
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goto err1;
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--- a/drivers/mfd/ab3100-core.c
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+++ b/drivers/mfd/ab3100-core.c
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@@ -937,9 +937,6 @@ static int __devinit ab3100_probe(struct
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err = request_threaded_irq(client->irq, NULL, ab3100_irq_handler,
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IRQF_ONESHOT, "ab3100-core", ab3100);
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- /* This real unpredictable IRQ is of course sampled for entropy */
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- rand_initialize_irq(client->irq);
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-
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if (err)
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goto exit_no_irq;
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--- a/drivers/mfd/tps65010.c
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+++ b/drivers/mfd/tps65010.c
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@@ -563,8 +563,7 @@ static int tps65010_probe(struct i2c_cli
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*/
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if (client->irq > 0) {
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status = request_irq(client->irq, tps65010_irq,
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- IRQF_SAMPLE_RANDOM | IRQF_TRIGGER_FALLING,
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- DRIVER_NAME, tps);
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+ IRQF_TRIGGER_FALLING, DRIVER_NAME, tps);
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if (status < 0) {
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dev_dbg(&client->dev, "can't get IRQ %d, err %d\n",
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client->irq, status);
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--- a/drivers/net/ethernet/broadcom/tg3.c
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+++ b/drivers/net/ethernet/broadcom/tg3.c
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@@ -9415,7 +9415,7 @@ static int tg3_test_interrupt(struct tg3
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}
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||
|
err = request_irq(tnapi->irq_vec, tg3_test_isr,
|
||
|
- IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, tnapi);
|
||
|
+ IRQF_SHARED, dev->name, tnapi);
|
||
|
if (err)
|
||
|
return err;
|
||
|
|
||
|
--- a/drivers/power/pda_power.c
|
||
|
+++ b/drivers/power/pda_power.c
|
||
|
@@ -24,11 +24,7 @@
|
||
|
|
||
|
static inline unsigned int get_irq_flags(struct resource *res)
|
||
|
{
|
||
|
- unsigned int flags = IRQF_SAMPLE_RANDOM | IRQF_SHARED;
|
||
|
-
|
||
|
- flags |= res->flags & IRQF_TRIGGER_MASK;
|
||
|
-
|
||
|
- return flags;
|
||
|
+ return IRQF_SHARED | (res->flags & IRQF_TRIGGER_MASK);
|
||
|
}
|
||
|
|
||
|
static struct device *dev;
|
||
|
--- a/drivers/tty/serial/uartlite.c
|
||
|
+++ b/drivers/tty/serial/uartlite.c
|
||
|
@@ -216,8 +216,7 @@ static int ulite_startup(struct uart_por
|
||
|
{
|
||
|
int ret;
|
||
|
|
||
|
- ret = request_irq(port->irq, ulite_isr,
|
||
|
- IRQF_SHARED | IRQF_SAMPLE_RANDOM, "uartlite", port);
|
||
|
+ ret = request_irq(port->irq, ulite_isr, IRQF_SHARED, "uartlite", port);
|
||
|
if (ret)
|
||
|
return ret;
|
||
|
|
||
|
--- a/drivers/usb/gadget/goku_udc.c
|
||
|
+++ b/drivers/usb/gadget/goku_udc.c
|
||
|
@@ -1839,7 +1839,7 @@ static int goku_probe(struct pci_dev *pd
|
||
|
/* init to known state, then setup irqs */
|
||
|
udc_reset(dev);
|
||
|
udc_reinit (dev);
|
||
|
- if (request_irq(pdev->irq, goku_irq, IRQF_SHARED/*|IRQF_SAMPLE_RANDOM*/,
|
||
|
+ if (request_irq(pdev->irq, goku_irq, IRQF_SHARED,
|
||
|
driver_name, dev) != 0) {
|
||
|
DBG(dev, "request interrupt %d failed\n", pdev->irq);
|
||
|
retval = -EBUSY;
|
||
|
--- a/drivers/usb/gadget/omap_udc.c
|
||
|
+++ b/drivers/usb/gadget/omap_udc.c
|
||
|
@@ -2943,7 +2943,7 @@ known:
|
||
|
|
||
|
/* USB general purpose IRQ: ep0, state changes, dma, etc */
|
||
|
status = request_irq(pdev->resource[1].start, omap_udc_irq,
|
||
|
- IRQF_SAMPLE_RANDOM, driver_name, udc);
|
||
|
+ 0, driver_name, udc);
|
||
|
if (status != 0) {
|
||
|
ERR("can't get irq %d, err %d\n",
|
||
|
(int) pdev->resource[1].start, status);
|
||
|
@@ -2952,7 +2952,7 @@ known:
|
||
|
|
||
|
/* USB "non-iso" IRQ (PIO for all but ep0) */
|
||
|
status = request_irq(pdev->resource[2].start, omap_udc_pio_irq,
|
||
|
- IRQF_SAMPLE_RANDOM, "omap_udc pio", udc);
|
||
|
+ 0, "omap_udc pio", udc);
|
||
|
if (status != 0) {
|
||
|
ERR("can't get irq %d, err %d\n",
|
||
|
(int) pdev->resource[2].start, status);
|
||
|
--- a/drivers/usb/gadget/pxa25x_udc.c
|
||
|
+++ b/drivers/usb/gadget/pxa25x_udc.c
|
||
|
@@ -2202,19 +2202,15 @@ static int __init pxa25x_udc_probe(struc
|
||
|
|
||
|
#ifdef CONFIG_ARCH_LUBBOCK
|
||
|
if (machine_is_lubbock()) {
|
||
|
- retval = request_irq(LUBBOCK_USB_DISC_IRQ,
|
||
|
- lubbock_vbus_irq,
|
||
|
- IRQF_SAMPLE_RANDOM,
|
||
|
- driver_name, dev);
|
||
|
+ retval = request_irq(LUBBOCK_USB_DISC_IRQ, lubbock_vbus_irq,
|
||
|
+ 0, driver_name, dev);
|
||
|
if (retval != 0) {
|
||
|
pr_err("%s: can't get irq %i, err %d\n",
|
||
|
driver_name, LUBBOCK_USB_DISC_IRQ, retval);
|
||
|
goto err_irq_lub;
|
||
|
}
|
||
|
- retval = request_irq(LUBBOCK_USB_IRQ,
|
||
|
- lubbock_vbus_irq,
|
||
|
- IRQF_SAMPLE_RANDOM,
|
||
|
- driver_name, dev);
|
||
|
+ retval = request_irq(LUBBOCK_USB_IRQ, lubbock_vbus_irq,
|
||
|
+ 0, driver_name, dev);
|
||
|
if (retval != 0) {
|
||
|
pr_err("%s: can't get irq %i, err %d\n",
|
||
|
driver_name, LUBBOCK_USB_IRQ, retval);
|
||
|
--- a/drivers/usb/otg/gpio_vbus.c
|
||
|
+++ b/drivers/usb/otg/gpio_vbus.c
|
||
|
@@ -51,8 +51,7 @@ struct gpio_vbus_data {
|
||
|
* edges might be workable.
|
||
|
*/
|
||
|
#define VBUS_IRQ_FLAGS \
|
||
|
- ( IRQF_SAMPLE_RANDOM | IRQF_SHARED \
|
||
|
- | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING )
|
||
|
+ ( IRQF_SHARED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING )
|
||
|
|
||
|
|
||
|
/* interface to regulator framework */
|
||
|
@@ -253,7 +252,7 @@ static int __init gpio_vbus_probe(struct
|
||
|
if (res) {
|
||
|
irq = res->start;
|
||
|
res->flags &= IRQF_TRIGGER_MASK;
|
||
|
- res->flags |= IRQF_SAMPLE_RANDOM | IRQF_SHARED;
|
||
|
+ res->flags |= IRQF_SHARED;
|
||
|
} else
|
||
|
irq = gpio_to_irq(gpio);
|
||
|
|
||
|
--- a/drivers/usb/otg/isp1301_omap.c
|
||
|
+++ b/drivers/usb/otg/isp1301_omap.c
|
||
|
@@ -1567,7 +1567,6 @@ isp1301_probe(struct i2c_client *i2c, co
|
||
|
isp->irq_type = IRQF_TRIGGER_FALLING;
|
||
|
}
|
||
|
|
||
|
- isp->irq_type |= IRQF_SAMPLE_RANDOM;
|
||
|
status = request_irq(i2c->irq, isp1301_irq,
|
||
|
isp->irq_type, DRIVER_NAME, isp);
|
||
|
if (status < 0) {
|
||
|
--- a/include/linux/interrupt.h
|
||
|
+++ b/include/linux/interrupt.h
|
||
|
@@ -44,7 +44,6 @@
|
||
|
*
|
||
|
* IRQF_DISABLED - keep irqs disabled when calling the action handler.
|
||
|
* DEPRECATED. This flag is a NOOP and scheduled to be removed
|
||
|
- * IRQF_SAMPLE_RANDOM - irq is used to feed the random generator
|
||
|
* IRQF_SHARED - allow sharing the irq among several devices
|
||
|
* IRQF_PROBE_SHARED - set by callers when they expect sharing mismatches to occur
|
||
|
* IRQF_TIMER - Flag to mark this interrupt as timer interrupt
|
||
|
@@ -63,7 +62,6 @@
|
||
|
* resume time.
|
||
|
*/
|
||
|
#define IRQF_DISABLED 0x00000020
|
||
|
-#define IRQF_SAMPLE_RANDOM 0x00000040
|
||
|
#define IRQF_SHARED 0x00000080
|
||
|
#define IRQF_PROBE_SHARED 0x00000100
|
||
|
#define __IRQF_TIMER 0x00000200
|
||
|
--- a/include/linux/irqdesc.h
|
||
|
+++ b/include/linux/irqdesc.h
|
||
|
@@ -39,7 +39,6 @@ struct module;
|
||
|
*/
|
||
|
struct irq_desc {
|
||
|
struct irq_data irq_data;
|
||
|
- struct timer_rand_state *timer_rand_state;
|
||
|
unsigned int __percpu *kstat_irqs;
|
||
|
irq_flow_handler_t handle_irq;
|
||
|
#ifdef CONFIG_IRQ_PREFLOW_FASTEOI
|
||
|
--- a/include/linux/random.h
|
||
|
+++ b/include/linux/random.h
|
||
|
@@ -48,8 +48,6 @@ struct rnd_state {
|
||
|
|
||
|
#ifdef __KERNEL__
|
||
|
|
||
|
-extern void rand_initialize_irq(int irq);
|
||
|
-
|
||
|
extern void add_device_randomness(const void *, unsigned int);
|
||
|
extern void add_input_randomness(unsigned int type, unsigned int code,
|
||
|
unsigned int value);
|
||
|
--- a/kernel/irq/manage.c
|
||
|
+++ b/kernel/irq/manage.c
|
||
|
@@ -891,22 +891,6 @@ __setup_irq(unsigned int irq, struct irq
|
||
|
return -ENOSYS;
|
||
|
if (!try_module_get(desc->owner))
|
||
|
return -ENODEV;
|
||
|
- /*
|
||
|
- * Some drivers like serial.c use request_irq() heavily,
|
||
|
- * so we have to be careful not to interfere with a
|
||
|
- * running system.
|
||
|
- */
|
||
|
- if (new->flags & IRQF_SAMPLE_RANDOM) {
|
||
|
- /*
|
||
|
- * This function might sleep, we want to call it first,
|
||
|
- * outside of the atomic block.
|
||
|
- * Yes, this might clear the entropy pool if the wrong
|
||
|
- * driver is attempted to be loaded, without actually
|
||
|
- * installing a new handler, but is this really a problem,
|
||
|
- * only the sysadmin is able to do this.
|
||
|
- */
|
||
|
- rand_initialize_irq(irq);
|
||
|
- }
|
||
|
|
||
|
/*
|
||
|
* Check whether the interrupt nests into another interrupt
|
||
|
@@ -1342,7 +1326,6 @@ EXPORT_SYMBOL(free_irq);
|
||
|
* Flags:
|
||
|
*
|
||
|
* IRQF_SHARED Interrupt is shared
|
||
|
- * IRQF_SAMPLE_RANDOM The interrupt can be used for entropy
|
||
|
* IRQF_TRIGGER_* Specify active edge(s) or level
|
||
|
*
|
||
|
*/
|