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author | Lars-Peter Clausen <lars@metafoo.de> | 2009-07-12 20:24:18 +0000 |
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committer | Lars-Peter Clausen <lars@metafoo.de> | 2009-07-12 20:24:18 +0000 |
commit | ddbd14a23bed83c68433471025b45d27aca05f18 (patch) | |
tree | 3a1ffc471fbdfdbe9d8d900c22c25545bb8f2a3a /target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-core.c | |
parent | b1f5f1d3b01fa9c8337c19249b2372164db3bb94 (diff) | |
download | upstream-ddbd14a23bed83c68433471025b45d27aca05f18.tar.gz upstream-ddbd14a23bed83c68433471025b45d27aca05f18.tar.bz2 upstream-ddbd14a23bed83c68433471025b45d27aca05f18.zip |
glamo: get rid of static driver handle.
SVN-Revision: 16821
Diffstat (limited to 'target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-core.c')
-rw-r--r-- | target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-core.c | 57 |
1 files changed, 29 insertions, 28 deletions
diff --git a/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-core.c b/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-core.c index fed448f88d..45d9b794ed 100644 --- a/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-core.c +++ b/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-core.c @@ -98,8 +98,6 @@ struct reg_range reg_range[] = { { 0x1b00, 0x900, "3D Unit", 0 }, */ }; -static struct glamo_core *glamo_handle; - static inline void __reg_write(struct glamo_core *glamo, u_int16_t reg, u_int16_t val) { @@ -220,32 +218,36 @@ static struct mfd_cell glamo_cells[] = { static void glamo_ack_irq(unsigned int irq) { + struct glamo_core *glamo = (struct glamo_core*)get_irq_chip_data(irq); /* clear interrupt source */ - __reg_write(glamo_handle, GLAMO_REG_IRQ_CLEAR, + __reg_write(glamo, GLAMO_REG_IRQ_CLEAR, 1 << irq2glamo(irq)); } static void glamo_mask_irq(unsigned int irq) { + struct glamo_core *glamo = (struct glamo_core*)get_irq_chip_data(irq); u_int16_t tmp; /* clear bit in enable register */ - tmp = __reg_read(glamo_handle, GLAMO_REG_IRQ_ENABLE); + tmp = __reg_read(glamo, GLAMO_REG_IRQ_ENABLE); tmp &= ~(1 << irq2glamo(irq)); - __reg_write(glamo_handle, GLAMO_REG_IRQ_ENABLE, tmp); + __reg_write(glamo, GLAMO_REG_IRQ_ENABLE, tmp); } static void glamo_unmask_irq(unsigned int irq) { + struct glamo_core *glamo = (struct glamo_core*)get_irq_chip_data(irq); u_int16_t tmp; /* set bit in enable register */ - tmp = __reg_read(glamo_handle, GLAMO_REG_IRQ_ENABLE); + tmp = __reg_read(glamo, GLAMO_REG_IRQ_ENABLE); tmp |= (1 << irq2glamo(irq)); - __reg_write(glamo_handle, GLAMO_REG_IRQ_ENABLE, tmp); + __reg_write(glamo, GLAMO_REG_IRQ_ENABLE, tmp); } static struct irq_chip glamo_irq_chip = { + .name = "glamo", .ack = glamo_ack_irq, .mask = glamo_mask_irq, .unmask = glamo_unmask_irq, @@ -253,6 +255,7 @@ static struct irq_chip glamo_irq_chip = { static void glamo_irq_demux_handler(unsigned int irq, struct irq_desc *desc) { + struct glamo_core *glamo = get_irq_desc_chip_data(desc); desc->status &= ~(IRQ_REPLAY | IRQ_WAITING); if (unlikely(desc->status & IRQ_INPROGRESS)) { @@ -281,7 +284,7 @@ static void glamo_irq_demux_handler(unsigned int irq, struct irq_desc *desc) desc->status &= ~IRQ_PENDING; /* read IRQ status register */ - irqstatus = __reg_read(glamo_handle, GLAMO_REG_IRQ_STATUS); + irqstatus = __reg_read(glamo, GLAMO_REG_IRQ_STATUS); for (i = 0; i < 9; i++) if (irqstatus & (1 << i)) desc_handle_irq(IRQ_GLAMO(i), @@ -596,14 +599,14 @@ void glamo_engine_reset(struct glamo_core *glamo, enum glamo_engine engine) } EXPORT_SYMBOL_GPL(glamo_engine_reset); -void glamo_lcm_reset(int level) +void glamo_lcm_reset(struct platform_device *pdev, int level) { - if (!glamo_handle) + struct glamo_core *glamo = dev_get_drvdata(&pdev->dev); + if (!glamo) return; - glamo_gpio_setpin(glamo_handle, GLAMO_GPIO4, level); - glamo_gpio_cfgpin(glamo_handle, GLAMO_GPIO4_OUTPUT); - + glamo_gpio_setpin(glamo, GLAMO_GPIO4, level); + glamo_gpio_cfgpin(glamo, GLAMO_GPIO4_OUTPUT); } EXPORT_SYMBOL_GPL(glamo_lcm_reset); @@ -1107,18 +1110,11 @@ static int __init glamo_probe(struct platform_device *pdev) int rc = 0, irq; struct glamo_core *glamo; - if (glamo_handle) { - dev_err(&pdev->dev, - "This driver supports only one instance\n"); - return -EBUSY; - } - glamo = kmalloc(GFP_KERNEL, sizeof(*glamo)); if (!glamo) return -ENOMEM; spin_lock_init(&glamo->lock); - glamo_handle = glamo; glamo->pdev = pdev; glamo->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); glamo->irq = platform_get_irq(pdev, 0); @@ -1152,15 +1148,16 @@ static int __init glamo_probe(struct platform_device *pdev) */ for (irq = IRQ_GLAMO(0); irq <= IRQ_GLAMO(8); irq++) { - set_irq_chip(irq, &glamo_irq_chip); - set_irq_handler(irq, handle_level_irq); + set_irq_chip_and_handler(irq, &glamo_irq_chip, handle_level_irq); set_irq_flags(irq, IRQF_VALID); + set_irq_chip_data(irq, glamo); } if (glamo->pdata->glamo_irq_is_wired && !glamo->pdata->glamo_irq_is_wired()) { set_irq_chained_handler(glamo->irq, glamo_irq_demux_handler); set_irq_type(glamo->irq, IRQ_TYPE_EDGE_FALLING); + set_irq_chip_data(glamo->irq, glamo); dev_info(&pdev->dev, "Glamo interrupt registered\n"); glamo->irq_works = 1; } else { @@ -1231,16 +1228,17 @@ static int __init glamo_probe(struct platform_device *pdev) bail_irq: disable_irq(glamo->irq); set_irq_chained_handler(glamo->irq, NULL); + set_irq_chip_data(glamo->irq, NULL); for (irq = IRQ_GLAMO(0); irq <= IRQ_GLAMO(8); irq++) { set_irq_flags(irq, 0); set_irq_chip(irq, NULL); + set_irq_chip_data(irq, NULL); } iounmap(glamo->base); bail_free: platform_set_drvdata(pdev, NULL); - glamo_handle = NULL; kfree(glamo); return rc; @@ -1253,17 +1251,18 @@ static int glamo_remove(struct platform_device *pdev) disable_irq(glamo->irq); set_irq_chained_handler(glamo->irq, NULL); + set_irq_chip_data(glamo->irq, NULL); for (irq = IRQ_GLAMO(0); irq <= IRQ_GLAMO(8); irq++) { set_irq_flags(irq, 0); set_irq_chip(irq, NULL); + set_irq_chip_data(irq, NULL); } platform_set_drvdata(pdev, NULL); mfd_remove_devices(&pdev->dev); iounmap(glamo->base); release_mem_region(glamo->mem->start, GLAMO_REGOFS_VIDCAP); - glamo_handle = NULL; kfree(glamo); return 0; @@ -1273,16 +1272,18 @@ static int glamo_remove(struct platform_device *pdev) static int glamo_suspend(struct platform_device *pdev, pm_message_t state) { - glamo_handle->suspending = 1; - glamo_power(glamo_handle, GLAMO_POWER_SUSPEND); + struct glamo_core *glamo = dev_get_drvdata(&pdev->dev); + glamo->suspending = 1; + glamo_power(glamo, GLAMO_POWER_SUSPEND); return 0; } static int glamo_resume(struct platform_device *pdev) { - glamo_power(glamo_handle, GLAMO_POWER_ON); - glamo_handle->suspending = 0; + struct glamo_core *glamo = dev_get_drvdata(&pdev->dev); + glamo_power(glamo, GLAMO_POWER_ON); + glamo->suspending = 0; return 0; } |