IRQ: Maintain regs pointer globally rather than passing to IRQ handlers

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / input / keyboard / spitzkbd.c

diff --git a/drivers/input/keyboard/spitzkbd.c b/drivers/input/keyboard/spitzkbd.c
index bc61cf8cfc65391f718e0b28beceacb20ae473c1..8b18c009e3e027b42889d3ee8d2827263b393ad4 100644 (file)
--- a/drivers/input/keyboard/spitzkbd.c
+++ b/drivers/input/keyboard/spitzkbd.c
@@ -53,8 +53,8 @@ static unsigned char spitzkbd_keycode[NR_SCANCODES] = {
        KEY_LEFTCTRL, KEY_1, KEY_3, KEY_5, KEY_6, KEY_7, KEY_9, KEY_0, KEY_BACKSPACE, SPITZ_KEY_EXOK, SPITZ_KEY_EXCANCEL, 0, 0, 0, 0, 0,  /* 1-16 */
        0, KEY_2, KEY_4, KEY_R, KEY_Y, KEY_8, KEY_I, KEY_O, KEY_P, SPITZ_KEY_EXJOGDOWN, SPITZ_KEY_EXJOGUP, 0, 0, 0, 0, 0, /* 17-32 */
        KEY_TAB, KEY_Q, KEY_E, KEY_T, KEY_G, KEY_U, KEY_J, KEY_K, 0, 0, 0, 0, 0, 0, 0, 0,                                 /* 33-48 */
-       SPITZ_KEY_CALENDER, KEY_W, KEY_S, KEY_F, KEY_V, KEY_H, KEY_M, KEY_L, 0, KEY_RIGHTSHIFT, 0, 0, 0, 0, 0, 0,         /* 49-64 */
-       SPITZ_KEY_ADDRESS, KEY_A, KEY_D, KEY_C, KEY_B, KEY_N, KEY_DOT, 0, KEY_ENTER, KEY_LEFTSHIFT, 0, 0, 0, 0, 0, 0,     /* 65-80 */
+       SPITZ_KEY_ADDRESS, KEY_W, KEY_S, KEY_F, KEY_V, KEY_H, KEY_M, KEY_L, 0, KEY_RIGHTSHIFT, 0, 0, 0, 0, 0, 0,         /* 49-64 */
+       SPITZ_KEY_CALENDER, KEY_A, KEY_D, KEY_C, KEY_B, KEY_N, KEY_DOT, 0, KEY_ENTER, KEY_LEFTSHIFT, 0, 0, 0, 0, 0, 0,    /* 65-80 */
        SPITZ_KEY_MAIL, KEY_Z, KEY_X, KEY_MINUS, KEY_SPACE, KEY_COMMA, 0, KEY_UP, 0, 0, SPITZ_KEY_FN, 0, 0, 0, 0, 0,      /* 81-96 */
        KEY_SYSRQ, SPITZ_KEY_JAP1, SPITZ_KEY_JAP2, SPITZ_KEY_CANCEL, SPITZ_KEY_OK, SPITZ_KEY_MENU, KEY_LEFT, KEY_DOWN, KEY_RIGHT, 0, 0, 0, 0, 0, 0, 0  /* 97-112 */
 };
@@ -176,7 +176,7 @@ static inline int spitzkbd_get_row_status(int col)
  */
 
 /* Scan the hardware keyboard and push any changes up through the input layer */
-static void spitzkbd_scankeyboard(struct spitzkbd *spitzkbd_data, struct pt_regs *regs)
+static void spitzkbd_scankeyboard(struct spitzkbd *spitzkbd_data)
 {
        unsigned int row, col, rowd;
        unsigned long flags;
@@ -187,8 +187,6 @@ static void spitzkbd_scankeyboard(struct spitzkbd *spitzkbd_data, struct pt_regs
 
        spin_lock_irqsave(&spitzkbd_data->lock, flags);
 
-       input_regs(spitzkbd_data->input, regs);
-
        num_pressed = 0;
        for (col = 0; col < KB_COLS; col++) {
                /*
@@ -239,14 +237,14 @@ static void spitzkbd_scankeyboard(struct spitzkbd *spitzkbd_data, struct pt_regs
 /*
  * spitz keyboard interrupt handler.
  */
-static irqreturn_t spitzkbd_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t spitzkbd_interrupt(int irq, void *dev_id)
 {
        struct spitzkbd *spitzkbd_data = dev_id;
 
        if (!timer_pending(&spitzkbd_data->timer)) {
                /** wait chattering delay **/
                udelay(20);
-               spitzkbd_scankeyboard(spitzkbd_data, regs);
+               spitzkbd_scankeyboard(spitzkbd_data);
        }
 
        return IRQ_HANDLED;
@@ -267,7 +265,7 @@ static void spitzkbd_timer_callback(unsigned long data)
  * We debounce the switches and pass them to the input system.
  */
 
-static irqreturn_t spitzkbd_hinge_isr(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t spitzkbd_hinge_isr(int irq, void *dev_id)
 {
        struct spitzkbd *spitzkbd_data = dev_id;
 
@@ -299,9 +297,9 @@ static void spitzkbd_hinge_timer(unsigned long data)
        if (hinge_count >= HINGE_STABLE_COUNT) {
                spin_lock_irqsave(&spitzkbd_data->lock, flags);
 
-               input_report_switch(spitzkbd_data->input, SW_0, ((GPLR(SPITZ_GPIO_SWA) & GPIO_bit(SPITZ_GPIO_SWA)) != 0));
-               input_report_switch(spitzkbd_data->input, SW_1, ((GPLR(SPITZ_GPIO_SWB) & GPIO_bit(SPITZ_GPIO_SWB)) != 0));
-               input_report_switch(spitzkbd_data->input, SW_2, ((GPLR(SPITZ_GPIO_AK_INT) & GPIO_bit(SPITZ_GPIO_AK_INT)) != 0));
+               input_report_switch(spitzkbd_data->input, SW_LID, ((GPLR(SPITZ_GPIO_SWA) & GPIO_bit(SPITZ_GPIO_SWA)) != 0));
+               input_report_switch(spitzkbd_data->input, SW_TABLET_MODE, ((GPLR(SPITZ_GPIO_SWB) & GPIO_bit(SPITZ_GPIO_SWB)) != 0));
+               input_report_switch(spitzkbd_data->input, SW_HEADPHONE_INSERT, ((GPLR(SPITZ_GPIO_AK_INT) & GPIO_bit(SPITZ_GPIO_AK_INT)) != 0));
                input_sync(spitzkbd_data->input);
 
                spin_unlock_irqrestore(&spitzkbd_data->lock, flags);
@@ -398,9 +396,9 @@ static int __init spitzkbd_probe(struct platform_device *dev)
        for (i = 0; i < ARRAY_SIZE(spitzkbd_keycode); i++)
                set_bit(spitzkbd->keycode[i], input_dev->keybit);
        clear_bit(0, input_dev->keybit);
-       set_bit(SW_0, input_dev->swbit);
-       set_bit(SW_1, input_dev->swbit);
-       set_bit(SW_2, input_dev->swbit);
+       set_bit(SW_LID, input_dev->swbit);
+       set_bit(SW_TABLET_MODE, input_dev->swbit);
+       set_bit(SW_HEADPHONE_INSERT, input_dev->swbit);
 
        input_register_device(input_dev);
 
@@ -410,7 +408,7 @@ static int __init spitzkbd_probe(struct platform_device *dev)
        for (i = 0; i < SPITZ_KEY_SENSE_NUM; i++) {
                pxa_gpio_mode(spitz_senses[i] | GPIO_IN);
                if (request_irq(IRQ_GPIO(spitz_senses[i]), spitzkbd_interrupt,
-                               SA_INTERRUPT|SA_TRIGGER_RISING,
+                               IRQF_DISABLED|IRQF_TRIGGER_RISING,
                                "Spitzkbd Sense", spitzkbd))
                        printk(KERN_WARNING "spitzkbd: Can't get Sense IRQ: %d!\n", i);
        }
@@ -425,19 +423,19 @@ static int __init spitzkbd_probe(struct platform_device *dev)
        pxa_gpio_mode(SPITZ_GPIO_SWB | GPIO_IN);
 
        request_irq(SPITZ_IRQ_GPIO_SYNC, spitzkbd_interrupt,
-                   SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
+                   IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
                    "Spitzkbd Sync", spitzkbd);
        request_irq(SPITZ_IRQ_GPIO_ON_KEY, spitzkbd_interrupt,
-                   SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
+                   IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
                    "Spitzkbd PwrOn", spitzkbd);
        request_irq(SPITZ_IRQ_GPIO_SWA, spitzkbd_hinge_isr,
-                   SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
+                   IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
                    "Spitzkbd SWA", spitzkbd);
        request_irq(SPITZ_IRQ_GPIO_SWB, spitzkbd_hinge_isr,
-                   SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
+                   IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
                    "Spitzkbd SWB", spitzkbd);
        request_irq(SPITZ_IRQ_GPIO_AK_INT, spitzkbd_hinge_isr,
-                   SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
+                   IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
                    "Spitzkbd HP", spitzkbd);
 
        printk(KERN_INFO "input: Spitz Keyboard Registered\n");