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-rw-r--r--drivers/input/serio/Kconfig4
-rw-r--r--drivers/input/serio/ambakmi.c3
-rw-r--r--drivers/input/serio/apbps2.c3
-rw-r--r--drivers/input/serio/gscps2.c3
-rw-r--r--drivers/input/serio/hil_mlc.c23
-rw-r--r--drivers/input/serio/hp_sdc.c2
-rw-r--r--drivers/input/serio/hp_sdc_mlc.c8
-rw-r--r--drivers/input/serio/hyperv-keyboard.c4
-rw-r--r--drivers/input/serio/i8042-io.h2
-rw-r--r--drivers/input/serio/i8042-ppcio.h57
-rw-r--r--drivers/input/serio/i8042-unicore32io.h70
-rw-r--r--drivers/input/serio/i8042-x86ia64io.h137
-rw-r--r--drivers/input/serio/i8042.c78
-rw-r--r--drivers/input/serio/i8042.h4
-rw-r--r--drivers/input/serio/libps2.c4
-rw-r--r--drivers/input/serio/parkbd.c16
-rw-r--r--drivers/input/serio/sa1111ps2.c4
-rw-r--r--drivers/input/serio/serio.c3
-rw-r--r--drivers/input/serio/serio_raw.c2
-rw-r--r--drivers/input/serio/serport.c15
-rw-r--r--drivers/input/serio/sun4i-ps2.c9
21 files changed, 241 insertions, 210 deletions
diff --git a/drivers/input/serio/Kconfig b/drivers/input/serio/Kconfig
index 373a1646019e..f39b7b3f7942 100644
--- a/drivers/input/serio/Kconfig
+++ b/drivers/input/serio/Kconfig
@@ -223,7 +223,7 @@ config SERIO_AMS_DELTA
tristate "Amstrad Delta (E3) mailboard support"
depends on MACH_AMS_DELTA
default y
- ---help---
+ help
Say Y here if you have an E3 and want to use its mailboard,
or any standard AT keyboard connected to the mailboard port.
@@ -255,7 +255,7 @@ config SERIO_ARC_PS2
config SERIO_APBPS2
tristate "GRLIB APBPS2 PS/2 keyboard/mouse controller"
- depends on OF
+ depends on OF && HAS_IOMEM
help
Say Y here if you want support for GRLIB APBPS2 peripherals used
to connect to PS/2 keyboard and/or mouse.
diff --git a/drivers/input/serio/ambakmi.c b/drivers/input/serio/ambakmi.c
index ecdeca147ed7..4408245b61d2 100644
--- a/drivers/input/serio/ambakmi.c
+++ b/drivers/input/serio/ambakmi.c
@@ -159,7 +159,7 @@ static int amba_kmi_probe(struct amba_device *dev,
return ret;
}
-static int amba_kmi_remove(struct amba_device *dev)
+static void amba_kmi_remove(struct amba_device *dev)
{
struct amba_kmi_port *kmi = amba_get_drvdata(dev);
@@ -168,7 +168,6 @@ static int amba_kmi_remove(struct amba_device *dev)
iounmap(kmi->base);
kfree(kmi);
amba_release_regions(dev);
- return 0;
}
static int __maybe_unused amba_kmi_resume(struct device *dev)
diff --git a/drivers/input/serio/apbps2.c b/drivers/input/serio/apbps2.c
index 594ac4e6f8ea..974d7bfae0a0 100644
--- a/drivers/input/serio/apbps2.c
+++ b/drivers/input/serio/apbps2.c
@@ -103,7 +103,6 @@ static int apbps2_open(struct serio *io)
{
struct apbps2_priv *priv = io->port_data;
int limit;
- unsigned long tmp;
/* clear error flags */
iowrite32be(0, &priv->regs->status);
@@ -111,7 +110,7 @@ static int apbps2_open(struct serio *io)
/* Clear old data if available (unlikely) */
limit = 1024;
while ((ioread32be(&priv->regs->status) & APBPS2_STATUS_DR) && --limit)
- tmp = ioread32be(&priv->regs->data);
+ ioread32be(&priv->regs->data);
/* Enable reciever and it's interrupt */
iowrite32be(APBPS2_CTRL_RE | APBPS2_CTRL_RI, &priv->regs->ctrl);
diff --git a/drivers/input/serio/gscps2.c b/drivers/input/serio/gscps2.c
index 2f9775de3c5b..a9065c6ab550 100644
--- a/drivers/input/serio/gscps2.c
+++ b/drivers/input/serio/gscps2.c
@@ -411,7 +411,7 @@ fail_nomem:
* @return: success/error report
*/
-static int __exit gscps2_remove(struct parisc_device *dev)
+static void __exit gscps2_remove(struct parisc_device *dev)
{
struct gscps2port *ps2port = dev_get_drvdata(&dev->dev);
@@ -425,7 +425,6 @@ static int __exit gscps2_remove(struct parisc_device *dev)
#endif
dev_set_drvdata(&dev->dev, NULL);
kfree(ps2port);
- return 0;
}
diff --git a/drivers/input/serio/hil_mlc.c b/drivers/input/serio/hil_mlc.c
index e1423f7648d6..d36e89d6fc54 100644
--- a/drivers/input/serio/hil_mlc.c
+++ b/drivers/input/serio/hil_mlc.c
@@ -74,10 +74,10 @@ EXPORT_SYMBOL(hil_mlc_unregister);
static LIST_HEAD(hil_mlcs);
static DEFINE_RWLOCK(hil_mlcs_lock);
static struct timer_list hil_mlcs_kicker;
-static int hil_mlcs_probe;
+static int hil_mlcs_probe, hil_mlc_stop;
static void hil_mlcs_process(unsigned long unused);
-static DECLARE_TASKLET_DISABLED(hil_mlcs_tasklet, hil_mlcs_process, 0);
+static DECLARE_TASKLET_DISABLED_OLD(hil_mlcs_tasklet, hil_mlcs_process);
/* #define HIL_MLC_DEBUG */
@@ -702,9 +702,13 @@ static int hilse_donode(hil_mlc *mlc)
if (!mlc->ostarted) {
mlc->ostarted = 1;
mlc->opacket = pack;
- mlc->out(mlc);
+ rc = mlc->out(mlc);
nextidx = HILSEN_DOZE;
write_unlock_irqrestore(&mlc->lock, flags);
+ if (rc) {
+ hil_mlc_stop = 1;
+ return 1;
+ }
break;
}
mlc->ostarted = 0;
@@ -715,8 +719,13 @@ static int hilse_donode(hil_mlc *mlc)
case HILSE_CTS:
write_lock_irqsave(&mlc->lock, flags);
- nextidx = mlc->cts(mlc) ? node->bad : node->good;
+ rc = mlc->cts(mlc);
+ nextidx = rc ? node->bad : node->good;
write_unlock_irqrestore(&mlc->lock, flags);
+ if (rc) {
+ hil_mlc_stop = 1;
+ return 1;
+ }
break;
default:
@@ -780,6 +789,12 @@ static void hil_mlcs_process(unsigned long unused)
static void hil_mlcs_timer(struct timer_list *unused)
{
+ if (hil_mlc_stop) {
+ /* could not send packet - stop immediately. */
+ pr_warn(PREFIX "HIL seems stuck - Disabling HIL MLC.\n");
+ return;
+ }
+
hil_mlcs_probe = 1;
tasklet_schedule(&hil_mlcs_tasklet);
/* Re-insert the periodic task. */
diff --git a/drivers/input/serio/hp_sdc.c b/drivers/input/serio/hp_sdc.c
index 654252361653..13eacf6ab431 100644
--- a/drivers/input/serio/hp_sdc.c
+++ b/drivers/input/serio/hp_sdc.c
@@ -1021,7 +1021,7 @@ static int __init hp_sdc_register(void)
hp_sdc.base_io = (unsigned long) 0xf0428000;
hp_sdc.data_io = (unsigned long) hp_sdc.base_io + 1;
hp_sdc.status_io = (unsigned long) hp_sdc.base_io + 3;
- if (!probe_kernel_read(&i, (unsigned char *)hp_sdc.data_io, 1))
+ if (!copy_from_kernel_nofault(&i, (unsigned char *)hp_sdc.data_io, 1))
hp_sdc.dev = (void *)1;
hp_sdc.dev_err = hp_sdc_init();
#endif
diff --git a/drivers/input/serio/hp_sdc_mlc.c b/drivers/input/serio/hp_sdc_mlc.c
index 232d30c825bd..3e85e9039374 100644
--- a/drivers/input/serio/hp_sdc_mlc.c
+++ b/drivers/input/serio/hp_sdc_mlc.c
@@ -210,7 +210,7 @@ static int hp_sdc_mlc_cts(hil_mlc *mlc)
priv->tseq[2] = 1;
priv->tseq[3] = 0;
priv->tseq[4] = 0;
- __hp_sdc_enqueue_transaction(&priv->trans);
+ return __hp_sdc_enqueue_transaction(&priv->trans);
busy:
return 1;
done:
@@ -219,7 +219,7 @@ static int hp_sdc_mlc_cts(hil_mlc *mlc)
return 0;
}
-static void hp_sdc_mlc_out(hil_mlc *mlc)
+static int hp_sdc_mlc_out(hil_mlc *mlc)
{
struct hp_sdc_mlc_priv_s *priv;
@@ -234,7 +234,7 @@ static void hp_sdc_mlc_out(hil_mlc *mlc)
do_data:
if (priv->emtestmode) {
up(&mlc->osem);
- return;
+ return 0;
}
/* Shouldn't be sending commands when loop may be busy */
BUG_ON(down_trylock(&mlc->csem));
@@ -296,7 +296,7 @@ static void hp_sdc_mlc_out(hil_mlc *mlc)
BUG_ON(down_trylock(&mlc->csem));
}
enqueue:
- hp_sdc_enqueue_transaction(&priv->trans);
+ return hp_sdc_enqueue_transaction(&priv->trans);
}
static int __init hp_sdc_mlc_init(void)
diff --git a/drivers/input/serio/hyperv-keyboard.c b/drivers/input/serio/hyperv-keyboard.c
index df4e9f6f4529..1a7b72a9016d 100644
--- a/drivers/input/serio/hyperv-keyboard.c
+++ b/drivers/input/serio/hyperv-keyboard.c
@@ -75,8 +75,8 @@ struct synth_kbd_keystroke {
#define HK_MAXIMUM_MESSAGE_SIZE 256
-#define KBD_VSC_SEND_RING_BUFFER_SIZE (40 * 1024)
-#define KBD_VSC_RECV_RING_BUFFER_SIZE (40 * 1024)
+#define KBD_VSC_SEND_RING_BUFFER_SIZE VMBUS_RING_SIZE(36 * 1024)
+#define KBD_VSC_RECV_RING_BUFFER_SIZE VMBUS_RING_SIZE(36 * 1024)
#define XTKBD_EMUL0 0xe0
#define XTKBD_EMUL1 0xe1
diff --git a/drivers/input/serio/i8042-io.h b/drivers/input/serio/i8042-io.h
index da0bf85321de..64590b86eb37 100644
--- a/drivers/input/serio/i8042-io.h
+++ b/drivers/input/serio/i8042-io.h
@@ -21,8 +21,6 @@
#elif defined(__arm__)
/* defined in include/asm-arm/arch-xxx/irqs.h */
#include <asm/irq.h>
-#elif defined(CONFIG_SH_CAYMAN)
-#include <asm/irq.h>
#elif defined(CONFIG_PPC)
extern int of_i8042_kbd_irq;
extern int of_i8042_aux_irq;
diff --git a/drivers/input/serio/i8042-ppcio.h b/drivers/input/serio/i8042-ppcio.h
deleted file mode 100644
index 391f94d9e47d..000000000000
--- a/drivers/input/serio/i8042-ppcio.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-#ifndef _I8042_PPCIO_H
-#define _I8042_PPCIO_H
-
-
-#if defined(CONFIG_WALNUT)
-
-#define I8042_KBD_IRQ 25
-#define I8042_AUX_IRQ 26
-
-#define I8042_KBD_PHYS_DESC "walnutps2/serio0"
-#define I8042_AUX_PHYS_DESC "walnutps2/serio1"
-#define I8042_MUX_PHYS_DESC "walnutps2/serio%d"
-
-extern void *kb_cs;
-extern void *kb_data;
-
-#define I8042_COMMAND_REG (*(int *)kb_cs)
-#define I8042_DATA_REG (*(int *)kb_data)
-
-static inline int i8042_read_data(void)
-{
- return readb(kb_data);
-}
-
-static inline int i8042_read_status(void)
-{
- return readb(kb_cs);
-}
-
-static inline void i8042_write_data(int val)
-{
- writeb(val, kb_data);
-}
-
-static inline void i8042_write_command(int val)
-{
- writeb(val, kb_cs);
-}
-
-static inline int i8042_platform_init(void)
-{
- i8042_reset = I8042_RESET_ALWAYS;
- return 0;
-}
-
-static inline void i8042_platform_exit(void)
-{
-}
-
-#else
-
-#include "i8042-io.h"
-
-#endif
-
-#endif /* _I8042_PPCIO_H */
diff --git a/drivers/input/serio/i8042-unicore32io.h b/drivers/input/serio/i8042-unicore32io.h
deleted file mode 100644
index 50bb3ed94b56..000000000000
--- a/drivers/input/serio/i8042-unicore32io.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Code specific to PKUnity SoC and UniCore ISA
- *
- * Maintained by GUAN Xue-tao <gxt@mprc.pku.edu.cn>
- * Copyright (C) 2001-2011 Guan Xuetao
- */
-#ifndef _I8042_UNICORE32_H
-#define _I8042_UNICORE32_H
-
-#include <mach/hardware.h>
-
-/*
- * Names.
- */
-#define I8042_KBD_PHYS_DESC "isa0060/serio0"
-#define I8042_AUX_PHYS_DESC "isa0060/serio1"
-#define I8042_MUX_PHYS_DESC "isa0060/serio%d"
-
-/*
- * IRQs.
- */
-#define I8042_KBD_IRQ IRQ_PS2_KBD
-#define I8042_AUX_IRQ IRQ_PS2_AUX
-
-/*
- * Register numbers.
- */
-#define I8042_COMMAND_REG PS2_COMMAND
-#define I8042_STATUS_REG PS2_STATUS
-#define I8042_DATA_REG PS2_DATA
-
-#define I8042_REGION_START (resource_size_t)(PS2_DATA)
-#define I8042_REGION_SIZE (resource_size_t)(16)
-
-static inline int i8042_read_data(void)
-{
- return readb(I8042_DATA_REG);
-}
-
-static inline int i8042_read_status(void)
-{
- return readb(I8042_STATUS_REG);
-}
-
-static inline void i8042_write_data(int val)
-{
- writeb(val, I8042_DATA_REG);
-}
-
-static inline void i8042_write_command(int val)
-{
- writeb(val, I8042_COMMAND_REG);
-}
-
-static inline int i8042_platform_init(void)
-{
- if (!request_mem_region(I8042_REGION_START, I8042_REGION_SIZE, "i8042"))
- return -EBUSY;
-
- i8042_reset = I8042_RESET_ALWAYS;
- return 0;
-}
-
-static inline void i8042_platform_exit(void)
-{
- release_mem_region(I8042_REGION_START, I8042_REGION_SIZE);
-}
-
-#endif /* _I8042_UNICORE32_H */
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index dc974c288e88..148a7c5fd0e2 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -220,6 +220,12 @@ static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "C15B"),
},
},
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ByteSpeed LLC"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ByteSpeed Laptop C15B"),
+ },
+ },
{ }
};
@@ -267,6 +273,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
},
},
{
+ /* Fujitsu Lifebook T725 laptop */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T725"),
+ },
+ },
+ {
/* Fujitsu Lifebook U745 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
@@ -426,6 +439,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
},
},
{
+ /* Lenovo XiaoXin Air 12 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "80UN"),
+ },
+ },
+ {
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
@@ -530,6 +550,25 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
},
},
+ {
+ /*
+ * Acer Aspire 5738z
+ * Touchpad stops working in mux mode when dis- + re-enabled
+ * with the touchpad enable/disable toggle hotkey
+ */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"),
+ },
+ },
+ {
+ /* Entroware Proteus */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
+ },
+ },
{ }
};
@@ -556,6 +595,11 @@ static const struct dmi_system_id i8042_dmi_noselftest_table[] = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
},
+ }, {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_CHASSIS_TYPE, "31"), /* Convertible Notebook */
+ },
},
{ }
};
@@ -582,6 +626,48 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
},
},
{
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A114-31"),
+ },
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A314-31"),
+ },
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A315-31"),
+ },
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-132"),
+ },
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-332"),
+ },
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-432"),
+ },
+ },
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate Spin B118-RN"),
+ },
+ },
+ {
/* Advent 4211 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
@@ -651,6 +737,21 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"),
},
},
+ {
+ /* Lenovo ThinkPad Twist S230u */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"),
+ },
+ },
+ {
+ /* Entroware Proteus */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
+ },
+ },
{ }
};
@@ -680,6 +781,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
},
},
+ {
+ /* Acer Aspire 5 A515 */
+ .matches = {
+ DMI_MATCH(DMI_BOARD_NAME, "Grumpy_PK"),
+ DMI_MATCH(DMI_BOARD_VENDOR, "PK"),
+ },
+ },
{ }
};
@@ -740,6 +848,13 @@ static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
},
},
{
+ /* Fujitsu Lifebook T725 laptop */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T725"),
+ },
+ },
+ {
/* Fujitsu U574 laptop */
/* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
.matches = {
@@ -880,6 +995,24 @@ static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
{ }
};
+static const struct dmi_system_id i8042_dmi_probe_defer_table[] __initconst = {
+ {
+ /* ASUS ZenBook UX425UA */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX425UA"),
+ },
+ },
+ {
+ /* ASUS ZenBook UM325UA */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX325UA_UM325UA"),
+ },
+ },
+ { }
+};
+
#endif /* CONFIG_X86 */
#ifdef CONFIG_PNP
@@ -927,6 +1060,7 @@ static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *
}
i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
sizeof(i8042_kbd_firmware_id));
+ i8042_kbd_fwnode = dev_fwnode(&dev->dev);
/* Keyboard ports are always supposed to be wakeup-enabled */
device_set_wakeup_enable(&dev->dev, true);
@@ -1199,6 +1333,9 @@ static int __init i8042_platform_init(void)
if (dmi_check_system(i8042_dmi_kbdreset_table))
i8042_kbdreset = true;
+ if (dmi_check_system(i8042_dmi_probe_defer_table))
+ i8042_probe_defer = true;
+
/*
* A20 was already enabled during early kernel init. But some buggy
* BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 20ff2bed3917..3fc0a89cc785 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -21,6 +21,7 @@
#include <linux/i8042.h>
#include <linux/slab.h>
#include <linux/suspend.h>
+#include <linux/property.h>
#include <asm/io.h>
@@ -44,6 +45,10 @@ static bool i8042_unlock;
module_param_named(unlock, i8042_unlock, bool, 0);
MODULE_PARM_DESC(unlock, "Ignore keyboard lock.");
+static bool i8042_probe_defer;
+module_param_named(probe_defer, i8042_probe_defer, bool, 0);
+MODULE_PARM_DESC(probe_defer, "Allow deferred probing.");
+
enum i8042_controller_reset_mode {
I8042_RESET_NEVER,
I8042_RESET_ALWAYS,
@@ -121,9 +126,11 @@ module_param_named(unmask_kbd_data, i8042_unmask_kbd_data, bool, 0600);
MODULE_PARM_DESC(unmask_kbd_data, "Unconditional enable (may reveal sensitive data) of normally sanitize-filtered kbd data traffic debug log [pre-condition: i8042.debug=1 enabled]");
#endif
+static bool i8042_present;
static bool i8042_bypass_aux_irq_test;
static char i8042_kbd_firmware_id[128];
static char i8042_aux_firmware_id[128];
+static struct fwnode_handle *i8042_kbd_fwnode;
#include "i8042.h"
@@ -136,7 +143,7 @@ static DEFINE_SPINLOCK(i8042_lock);
/*
* Writers to AUX and KBD ports as well as users issuing i8042_command
* directly should acquire i8042_mutex (by means of calling
- * i8042_lock_chip() and i8042_unlock_ship() helpers) to ensure that
+ * i8042_lock_chip() and i8042_unlock_chip() helpers) to ensure that
* they do not disturb each other (unfortunately in many i8042
* implementations write to one of the ports will immediately abort
* command that is being processed by another port).
@@ -341,6 +348,9 @@ int i8042_command(unsigned char *param, int command)
unsigned long flags;
int retval;
+ if (!i8042_present)
+ return -1;
+
spin_lock_irqsave(&i8042_lock, flags);
retval = __i8042_command(param, command);
spin_unlock_irqrestore(&i8042_lock, flags);
@@ -560,7 +570,7 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id)
str = last_str;
break;
}
- /* fall through - report timeout */
+ fallthrough; /* report timeout */
case 0xfc:
case 0xfd:
case 0xfe: dfl = SERIO_TIMEOUT; data = 0xfe; break;
@@ -705,7 +715,7 @@ static int i8042_set_mux_mode(bool multiplex, unsigned char *mux_version)
* LCS/Telegraphics.
*/
-static int __init i8042_check_mux(void)
+static int i8042_check_mux(void)
{
unsigned char mux_version;
@@ -734,10 +744,10 @@ static int __init i8042_check_mux(void)
/*
* The following is used to test AUX IRQ delivery.
*/
-static struct completion i8042_aux_irq_delivered __initdata;
-static bool i8042_irq_being_tested __initdata;
+static struct completion i8042_aux_irq_delivered;
+static bool i8042_irq_being_tested;
-static irqreturn_t __init i8042_aux_test_irq(int irq, void *dev_id)
+static irqreturn_t i8042_aux_test_irq(int irq, void *dev_id)
{
unsigned long flags;
unsigned char str, data;
@@ -764,7 +774,7 @@ static irqreturn_t __init i8042_aux_test_irq(int irq, void *dev_id)
* verifies success by readinng CTR. Used when testing for presence of AUX
* port.
*/
-static int __init i8042_toggle_aux(bool on)
+static int i8042_toggle_aux(bool on)
{
unsigned char param;
int i;
@@ -792,7 +802,7 @@ static int __init i8042_toggle_aux(bool on)
* the presence of an AUX interface.
*/
-static int __init i8042_check_aux(void)
+static int i8042_check_aux(void)
{
int retval = -1;
bool irq_registered = false;
@@ -973,7 +983,7 @@ static int i8042_controller_selftest(void)
}
/*
- * i8042_controller init initializes the i8042 controller, and,
+ * i8042_controller_init initializes the i8042 controller, and,
* most importantly, sets it into non-xlated mode if that's
* desired.
*/
@@ -999,7 +1009,7 @@ static int i8042_controller_init(void)
if (i8042_command(&ctr[n++ % 2], I8042_CMD_CTL_RCTR)) {
pr_err("Can't read CTR while initializing i8042\n");
- return -EIO;
+ return i8042_probe_defer ? -EPROBE_DEFER : -EIO;
}
} while (n < 2 || ctr[0] != ctr[1]);
@@ -1314,7 +1324,7 @@ static void i8042_shutdown(struct platform_device *dev)
i8042_controller_reset(false);
}
-static int __init i8042_create_kbd_port(void)
+static int i8042_create_kbd_port(void)
{
struct serio *serio;
struct i8042_port *port = &i8042_ports[I8042_KBD_PORT_NO];
@@ -1335,6 +1345,7 @@ static int __init i8042_create_kbd_port(void)
strlcpy(serio->phys, I8042_KBD_PHYS_DESC, sizeof(serio->phys));
strlcpy(serio->firmware_id, i8042_kbd_firmware_id,
sizeof(serio->firmware_id));
+ set_primary_fwnode(&serio->dev, i8042_kbd_fwnode);
port->serio = serio;
port->irq = I8042_KBD_IRQ;
@@ -1342,7 +1353,7 @@ static int __init i8042_create_kbd_port(void)
return 0;
}
-static int __init i8042_create_aux_port(int idx)
+static int i8042_create_aux_port(int idx)
{
struct serio *serio;
int port_no = idx < 0 ? I8042_AUX_PORT_NO : I8042_MUX_PORT_NO + idx;
@@ -1379,13 +1390,13 @@ static int __init i8042_create_aux_port(int idx)
return 0;
}
-static void __init i8042_free_kbd_port(void)
+static void i8042_free_kbd_port(void)
{
kfree(i8042_ports[I8042_KBD_PORT_NO].serio);
i8042_ports[I8042_KBD_PORT_NO].serio = NULL;
}
-static void __init i8042_free_aux_ports(void)
+static void i8042_free_aux_ports(void)
{
int i;
@@ -1395,7 +1406,7 @@ static void __init i8042_free_aux_ports(void)
}
}
-static void __init i8042_register_ports(void)
+static void i8042_register_ports(void)
{
int i;
@@ -1436,7 +1447,7 @@ static void i8042_free_irqs(void)
i8042_aux_irq_registered = i8042_kbd_irq_registered = false;
}
-static int __init i8042_setup_aux(void)
+static int i8042_setup_aux(void)
{
int (*aux_enable)(void);
int error;
@@ -1464,7 +1475,8 @@ static int __init i8042_setup_aux(void)
if (error)
goto err_free_ports;
- if (aux_enable())
+ error = aux_enable();
+ if (error)
goto err_free_irq;
i8042_aux_irq_registered = true;
@@ -1477,7 +1489,7 @@ static int __init i8042_setup_aux(void)
return error;
}
-static int __init i8042_setup_kbd(void)
+static int i8042_setup_kbd(void)
{
int error;
@@ -1527,7 +1539,7 @@ static int i8042_kbd_bind_notifier(struct notifier_block *nb,
return 0;
}
-static int __init i8042_probe(struct platform_device *dev)
+static int i8042_probe(struct platform_device *dev)
{
int error;
@@ -1592,6 +1604,7 @@ static struct platform_driver i8042_driver = {
.pm = &i8042_pm_ops,
#endif
},
+ .probe = i8042_probe,
.remove = i8042_remove,
.shutdown = i8042_shutdown,
};
@@ -1602,30 +1615,44 @@ static struct notifier_block i8042_kbd_bind_notifier_block = {
static int __init i8042_init(void)
{
- struct platform_device *pdev;
int err;
dbg_init();
err = i8042_platform_init();
if (err)
- return err;
+ return (err == -ENODEV) ? 0 : err;
err = i8042_controller_check();
if (err)
goto err_platform_exit;
- pdev = platform_create_bundle(&i8042_driver, i8042_probe, NULL, 0, NULL, 0);
- if (IS_ERR(pdev)) {
- err = PTR_ERR(pdev);
+ /* Set this before creating the dev to allow i8042_command to work right away */
+ i8042_present = true;
+
+ err = platform_driver_register(&i8042_driver);
+ if (err)
goto err_platform_exit;
+
+ i8042_platform_device = platform_device_alloc("i8042", -1);
+ if (!i8042_platform_device) {
+ err = -ENOMEM;
+ goto err_unregister_driver;
}
+ err = platform_device_add(i8042_platform_device);
+ if (err)
+ goto err_free_device;
+
bus_register_notifier(&serio_bus, &i8042_kbd_bind_notifier_block);
panic_blink = i8042_panic_blink;
return 0;
+err_free_device:
+ platform_device_put(i8042_platform_device);
+err_unregister_driver:
+ platform_driver_unregister(&i8042_driver);
err_platform_exit:
i8042_platform_exit();
return err;
@@ -1633,6 +1660,9 @@ static int __init i8042_init(void)
static void __exit i8042_exit(void)
{
+ if (!i8042_present)
+ return;
+
platform_device_unregister(i8042_platform_device);
platform_driver_unregister(&i8042_driver);
i8042_platform_exit();
diff --git a/drivers/input/serio/i8042.h b/drivers/input/serio/i8042.h
index 38dc27ad3c18..55381783dc82 100644
--- a/drivers/input/serio/i8042.h
+++ b/drivers/input/serio/i8042.h
@@ -17,14 +17,10 @@
#include "i8042-ip22io.h"
#elif defined(CONFIG_SNI_RM)
#include "i8042-snirm.h"
-#elif defined(CONFIG_PPC)
-#include "i8042-ppcio.h"
#elif defined(CONFIG_SPARC)
#include "i8042-sparcio.h"
#elif defined(CONFIG_X86) || defined(CONFIG_IA64)
#include "i8042-x86ia64io.h"
-#elif defined(CONFIG_UNICORE32)
-#include "i8042-unicore32io.h"
#else
#include "i8042-io.h"
#endif
diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c
index a8c94a940a79..250e213cc80c 100644
--- a/drivers/input/serio/libps2.c
+++ b/drivers/input/serio/libps2.c
@@ -405,7 +405,7 @@ bool ps2_handle_ack(struct ps2dev *ps2dev, u8 data)
ps2dev->nak = PS2_RET_ERR;
break;
}
- /* Fall through */
+ fallthrough;
/*
* Workaround for mice which don't ACK the Get ID command.
@@ -418,7 +418,7 @@ bool ps2_handle_ack(struct ps2dev *ps2dev, u8 data)
ps2dev->nak = 0;
break;
}
- /* Fall through */
+ fallthrough;
default:
/*
* Do not signal errors if we get unexpected reply while
diff --git a/drivers/input/serio/parkbd.c b/drivers/input/serio/parkbd.c
index ddbbd4afb4a2..51b68501896c 100644
--- a/drivers/input/serio/parkbd.c
+++ b/drivers/input/serio/parkbd.c
@@ -168,7 +168,7 @@ static struct serio *parkbd_allocate_serio(void)
serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
if (serio) {
serio->id.type = parkbd_mode;
- serio->write = parkbd_write,
+ serio->write = parkbd_write;
strlcpy(serio->name, "PARKBD AT/XT keyboard adapter", sizeof(serio->name));
snprintf(serio->phys, sizeof(serio->phys), "%s/serio0", parkbd_dev->port->name);
}
@@ -220,16 +220,4 @@ static struct parport_driver parkbd_parport_driver = {
.detach = parkbd_detach,
.devmodel = true,
};
-
-static int __init parkbd_init(void)
-{
- return parport_register_driver(&parkbd_parport_driver);
-}
-
-static void __exit parkbd_exit(void)
-{
- parport_unregister_driver(&parkbd_parport_driver);
-}
-
-module_init(parkbd_init);
-module_exit(parkbd_exit);
+module_parport_driver(parkbd_parport_driver);
diff --git a/drivers/input/serio/sa1111ps2.c b/drivers/input/serio/sa1111ps2.c
index 7b8ceb702a74..68fac4801e2e 100644
--- a/drivers/input/serio/sa1111ps2.c
+++ b/drivers/input/serio/sa1111ps2.c
@@ -344,7 +344,7 @@ static int ps2_probe(struct sa1111_dev *dev)
/*
* Remove one device from this driver.
*/
-static int ps2_remove(struct sa1111_dev *dev)
+static void ps2_remove(struct sa1111_dev *dev)
{
struct ps2if *ps2if = sa1111_get_drvdata(dev);
@@ -353,8 +353,6 @@ static int ps2_remove(struct sa1111_dev *dev)
sa1111_set_drvdata(dev, NULL);
kfree(ps2if);
-
- return 0;
}
/*
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index 29f491082926..ec117be3d8d8 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -778,12 +778,11 @@ static int serio_driver_probe(struct device *dev)
return serio_connect_driver(serio, drv);
}
-static int serio_driver_remove(struct device *dev)
+static void serio_driver_remove(struct device *dev)
{
struct serio *serio = to_serio_port(dev);
serio_disconnect_driver(serio);
- return 0;
}
static void serio_cleanup(struct serio *serio)
diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c
index e9647ebff187..1e4770094415 100644
--- a/drivers/input/serio/serio_raw.c
+++ b/drivers/input/serio/serio_raw.c
@@ -159,7 +159,7 @@ static ssize_t serio_raw_read(struct file *file, char __user *buffer,
{
struct serio_raw_client *client = file->private_data;
struct serio_raw *serio_raw = client->serio_raw;
- char uninitialized_var(c);
+ char c;
ssize_t read = 0;
int error;
diff --git a/drivers/input/serio/serport.c b/drivers/input/serio/serport.c
index 8ac970a423de..17eb8f2aa48d 100644
--- a/drivers/input/serio/serport.c
+++ b/drivers/input/serio/serport.c
@@ -114,7 +114,8 @@ static void serport_ldisc_close(struct tty_struct *tty)
* 'interrupt' routine.
*/
-static void serport_ldisc_receive(struct tty_struct *tty, const unsigned char *cp, char *fp, int count)
+static void serport_ldisc_receive(struct tty_struct *tty,
+ const unsigned char *cp, const char *fp, int count)
{
struct serport *serport = (struct serport*) tty->disc_data;
unsigned long flags;
@@ -156,7 +157,9 @@ out:
* returning 0 characters.
*/
-static ssize_t serport_ldisc_read(struct tty_struct * tty, struct file * file, unsigned char __user * buf, size_t nr)
+static ssize_t serport_ldisc_read(struct tty_struct * tty, struct file * file,
+ unsigned char *kbuf, size_t nr,
+ void **cookie, unsigned long offset)
{
struct serport *serport = (struct serport*) tty->disc_data;
struct serio *serio;
@@ -241,7 +244,7 @@ static int serport_ldisc_compat_ioctl(struct tty_struct *tty,
}
#endif
-static int serport_ldisc_hangup(struct tty_struct *tty)
+static void serport_ldisc_hangup(struct tty_struct *tty)
{
struct serport *serport = (struct serport *) tty->disc_data;
unsigned long flags;
@@ -251,7 +254,6 @@ static int serport_ldisc_hangup(struct tty_struct *tty)
spin_unlock_irqrestore(&serport->lock, flags);
wake_up_interruptible(&serport->wait);
- return 0;
}
static void serport_ldisc_write_wakeup(struct tty_struct * tty)
@@ -271,6 +273,7 @@ static void serport_ldisc_write_wakeup(struct tty_struct * tty)
static struct tty_ldisc_ops serport_ldisc = {
.owner = THIS_MODULE,
+ .num = N_MOUSE,
.name = "input",
.open = serport_ldisc_open,
.close = serport_ldisc_close,
@@ -291,7 +294,7 @@ static struct tty_ldisc_ops serport_ldisc = {
static int __init serport_init(void)
{
int retval;
- retval = tty_register_ldisc(N_MOUSE, &serport_ldisc);
+ retval = tty_register_ldisc(&serport_ldisc);
if (retval)
printk(KERN_ERR "serport.c: Error registering line discipline.\n");
@@ -300,7 +303,7 @@ static int __init serport_init(void)
static void __exit serport_exit(void)
{
- tty_unregister_ldisc(N_MOUSE);
+ tty_unregister_ldisc(&serport_ldisc);
}
module_init(serport_init);
diff --git a/drivers/input/serio/sun4i-ps2.c b/drivers/input/serio/sun4i-ps2.c
index a681a2c04e39..f15ed3dcdb9b 100644
--- a/drivers/input/serio/sun4i-ps2.c
+++ b/drivers/input/serio/sun4i-ps2.c
@@ -211,7 +211,6 @@ static int sun4i_ps2_probe(struct platform_device *pdev)
struct sun4i_ps2data *drvdata;
struct serio *serio;
struct device *dev = &pdev->dev;
- unsigned int irq;
int error;
drvdata = kzalloc(sizeof(struct sun4i_ps2data), GFP_KERNEL);
@@ -264,14 +263,12 @@ static int sun4i_ps2_probe(struct platform_device *pdev)
writel(0, drvdata->reg_base + PS2_REG_GCTL);
/* Get IRQ for the device */
- irq = platform_get_irq(pdev, 0);
- if (!irq) {
- dev_err(dev, "no IRQ found\n");
- error = -ENXIO;
+ drvdata->irq = platform_get_irq(pdev, 0);
+ if (drvdata->irq < 0) {
+ error = drvdata->irq;
goto err_disable_clk;
}
- drvdata->irq = irq;
drvdata->serio = serio;
drvdata->dev = dev;