]> pilppa.com Git - linux-2.6-omap-h63xx.git/commitdiff
ARM: OMAP: Remove old dead gpio expander code
authorTony Lindgren <tony@atomide.com>
Tue, 7 Apr 2009 22:27:42 +0000 (15:27 -0700)
committerTony Lindgren <tony@atomide.com>
Tue, 7 Apr 2009 22:27:42 +0000 (15:27 -0700)
This should be done with GPIO calls. Patches against the
mainline tree welcome to add the necessary working functionality
back.

Signed-off-by: Tony Lindgren <tony@atomide.com>
arch/arm/mach-omap1/board-h3.c
arch/arm/mach-omap2/board-h4.c
arch/arm/plat-omap/include/mach/gpioexpander.h [deleted file]
arch/arm/plat-omap/include/mach/irda.h

index 4695965114c4e67e86456439fa4435149e0cf374..f597968733b4f2baa980419519edade5e0203961 100644 (file)
 #include <asm/mach/flash.h>
 #include <asm/mach/map.h>
 
-#include <mach/gpioexpander.h>
 #include <mach/irqs.h>
 #include <mach/mux.h>
 #include <mach/tc.h>
 #include <mach/nand.h>
-#include <mach/irda.h>
 #include <mach/usb.h>
 #include <mach/keypad.h>
 #include <mach/dma.h>
@@ -276,104 +274,6 @@ static struct platform_device h3_kp_device = {
        .resource       = h3_kp_resources,
 };
 
-
-/* Select between the IrDA and aGPS module
- */
-static int h3_select_irda(struct device *dev, int state)
-{
-       unsigned char expa;
-       int err = 0;
-
-       if ((err = read_gpio_expa(&expa, 0x26))) {
-               printk(KERN_ERR "Error reading from I/O EXPANDER \n");
-               return err;
-       }
-
-       /* 'P6' enable/disable IRDA_TX and IRDA_RX */
-       if (state & IR_SEL) { /* IrDA */
-               if ((err = write_gpio_expa(expa | 0x40, 0x26))) {
-                       printk(KERN_ERR "Error writing to I/O EXPANDER \n");
-                       return err;
-               }
-       } else {
-               if ((err = write_gpio_expa(expa & ~0x40, 0x26))) {
-                       printk(KERN_ERR "Error writing to I/O EXPANDER \n");
-                       return err;
-               }
-       }
-       return err;
-}
-
-static void set_trans_mode(struct work_struct *work)
-{
-       struct omap_irda_config *irda_config =
-               container_of(work, struct omap_irda_config, gpio_expa.work);
-       int mode = irda_config->mode;
-       unsigned char expa;
-       int err = 0;
-
-       if ((err = read_gpio_expa(&expa, 0x27)) != 0) {
-               printk(KERN_ERR "Error reading from I/O expander\n");
-       }
-
-       expa &= ~0x03;
-
-       if (mode & IR_SIRMODE) {
-               expa |= 0x01;
-       } else { /* MIR/FIR */
-               expa |= 0x03;
-       }
-
-       if ((err = write_gpio_expa(expa, 0x27)) != 0) {
-               printk(KERN_ERR "Error writing to I/O expander\n");
-       }
-}
-
-static int h3_transceiver_mode(struct device *dev, int mode)
-{
-       struct omap_irda_config *irda_config = dev->platform_data;
-
-       irda_config->mode = mode;
-       cancel_delayed_work(&irda_config->gpio_expa);
-       PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
-       schedule_delayed_work(&irda_config->gpio_expa, 0);
-
-       return 0;
-}
-
-static struct omap_irda_config h3_irda_data = {
-       .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
-       .transceiver_mode       = h3_transceiver_mode,
-       .select_irda            = h3_select_irda,
-       .rx_channel             = OMAP_DMA_UART3_RX,
-       .tx_channel             = OMAP_DMA_UART3_TX,
-       .dest_start             = UART3_THR,
-       .src_start              = UART3_RHR,
-       .tx_trigger             = 0,
-       .rx_trigger             = 0,
-};
-
-static struct resource h3_irda_resources[] = {
-       [0] = {
-               .start  = INT_UART3,
-               .end    = INT_UART3,
-               .flags  = IORESOURCE_IRQ,
-       },
-};
-
-static u64 irda_dmamask = 0xffffffff;
-
-static struct platform_device h3_irda_device = {
-       .name           = "omapirda",
-       .id             = 0,
-       .dev            = {
-               .platform_data  = &h3_irda_data,
-               .dma_mask       = &irda_dmamask,
-       },
-       .num_resources  = ARRAY_SIZE(h3_irda_resources),
-       .resource       = h3_irda_resources,
-};
-
 static struct platform_device h3_lcd_device = {
        .name           = "lcd_h3",
        .id             = -1,
@@ -395,7 +295,6 @@ static struct platform_device *devices[] __initdata = {
        &nand_device,
         &smc91x_device,
        &intlat_device,
-       &h3_irda_device,
        &h3_kp_device,
        &h3_lcd_device,
 };
index a0267a9ab466e9638b9bd74c1e045d2e1321c5de..e7d017cdc43851b63c1c8a7c88feb0fe05039236 100644 (file)
 
 #include <mach/control.h>
 #include <mach/gpio.h>
-#include <mach/gpioexpander.h>
 #include <mach/mux.h>
 #include <mach/usb.h>
-#include <mach/irda.h>
 #include <mach/board.h>
 #include <mach/common.h>
 #include <mach/keypad.h>
@@ -138,98 +136,6 @@ static struct platform_device h4_flash_device = {
        .resource       = &h4_flash_resource,
 };
 
-/* Select between the IrDA and aGPS module
- */
-static int h4_select_irda(struct device *dev, int state)
-{
-       unsigned char expa;
-       int err = 0;
-
-       if ((err = read_gpio_expa(&expa, 0x21))) {
-               printk(KERN_ERR "Error reading from I/O expander\n");
-               return err;
-       }
-
-       /* 'P6' enable/disable IRDA_TX and IRDA_RX */
-       if (state & IR_SEL) {   /* IrDa */
-               if ((err = write_gpio_expa(expa | 0x01, 0x21))) {
-                       printk(KERN_ERR "Error writing to I/O expander\n");
-                       return err;
-               }
-       } else {
-               if ((err = write_gpio_expa(expa & ~0x01, 0x21))) {
-                       printk(KERN_ERR "Error writing to I/O expander\n");
-                       return err;
-               }
-       }
-       return err;
-}
-
-static void set_trans_mode(struct work_struct *work)
-{
-       struct omap_irda_config *irda_config =
-               container_of(work, struct omap_irda_config, gpio_expa.work);
-       int mode = irda_config->mode;
-       unsigned char expa;
-       int err = 0;
-
-       if ((err = read_gpio_expa(&expa, 0x20)) != 0) {
-               printk(KERN_ERR "Error reading from I/O expander\n");
-       }
-
-       expa &= ~0x01;
-
-       if (!(mode & IR_SIRMODE)) { /* MIR/FIR */
-               expa |= 0x01;
-       }
-
-       if ((err = write_gpio_expa(expa, 0x20)) != 0) {
-               printk(KERN_ERR "Error writing to I/O expander\n");
-       }
-}
-
-static int h4_transceiver_mode(struct device *dev, int mode)
-{
-       struct omap_irda_config *irda_config = dev->platform_data;
-
-       irda_config->mode = mode;
-       cancel_delayed_work(&irda_config->gpio_expa);
-       PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
-       schedule_delayed_work(&irda_config->gpio_expa, 0);
-
-       return 0;
-}
-
-static struct omap_irda_config h4_irda_data = {
-       .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
-       .transceiver_mode       = h4_transceiver_mode,
-       .select_irda            = h4_select_irda,
-       .rx_channel             = OMAP24XX_DMA_UART3_RX,
-       .tx_channel             = OMAP24XX_DMA_UART3_TX,
-       .dest_start             = OMAP_UART3_BASE,
-       .src_start              = OMAP_UART3_BASE,
-       .tx_trigger             = OMAP24XX_DMA_UART3_TX,
-       .rx_trigger             = OMAP24XX_DMA_UART3_RX,
-};
-
-static struct resource h4_irda_resources[] = {
-       [0] = {
-               .start  = INT_24XX_UART3_IRQ,
-               .end    = INT_24XX_UART3_IRQ,
-               .flags  = IORESOURCE_IRQ,
-       },
-};
-
-static struct platform_device h4_irda_device = {
-       .name           = "omapirda",
-       .id             = -1,
-       .dev            = {
-               .platform_data  = &h4_irda_data,
-       },
-       .num_resources  = 1,
-       .resource       = h4_irda_resources,
-};
-
 static struct omap_kp_platform_data h4_kp_data = {
        .rows           = 6,
        .cols           = 7,
@@ -255,7 +161,6 @@ static struct platform_device h4_lcd_device = {
 
 static struct platform_device *h4_devices[] __initdata = {
        &h4_flash_device,
-       &h4_irda_device,
        &h4_kp_device,
        &h4_lcd_device,
 };
diff --git a/arch/arm/plat-omap/include/mach/gpioexpander.h b/arch/arm/plat-omap/include/mach/gpioexpander.h
deleted file mode 100644 (file)
index 90444a0..0000000
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * arch/arm/plat-omap/include/mach/gpioexpander.h
- *
- *
- * Copyright (C) 2004 Texas Instruments, Inc.
- *
- * This package is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#ifndef __ASM_ARCH_OMAP_GPIOEXPANDER_H
-#define __ASM_ARCH_OMAP_GPIOEXPANDER_H
-
-/* Function Prototypes for GPIO Expander functions */
-
-#ifdef CONFIG_GPIOEXPANDER_OMAP
-int read_gpio_expa(u8 *, int);
-int write_gpio_expa(u8 , int);
-#else
-static inline int read_gpio_expa(u8 *val, int addr)
-{
-       return 0;
-}
-static inline int write_gpio_expa(u8 val, int addr)
-{
-       return 0;
-}
-#endif
-
-#endif /* __ASM_ARCH_OMAP_GPIOEXPANDER_H */
index 8372a00d8e0badb3e4da7a631f03011655d11dc3..40f60339d1c6fbaf8c84109758d46f0b7b933ac3 100644 (file)
@@ -21,10 +21,6 @@ struct omap_irda_config {
        int transceiver_cap;
        int (*transceiver_mode)(struct device *dev, int mode);
        int (*select_irda)(struct device *dev, int state);
-       /* Very specific to the needs of some platforms (h3,h4)
-        * having calls which can sleep in irda_set_speed.
-        */
-       struct delayed_work gpio_expa;
        int rx_channel;
        int tx_channel;
        unsigned long dest_start;