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Subject[PATCH v3 3/7] pcmcia: at91_cf: use devm_ functions for allocations
Date
From: Joachim Eastwood <manabian@gmail.com>

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
---
drivers/pcmcia/at91_cf.c | 77 +++++++++++++++---------------------------------
1 file changed, 24 insertions(+), 53 deletions(-)

diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c
index 4eec14b..43bc342 100644
--- a/drivers/pcmcia/at91_cf.c
+++ b/drivers/pcmcia/at91_cf.c
@@ -227,7 +227,7 @@ static int __init at91_cf_probe(struct platform_device *pdev)
if (!io)
return -ENODEV;

- cf = kzalloc(sizeof *cf, GFP_KERNEL);
+ cf = devm_kzalloc(&pdev->dev, sizeof(*cf), GFP_KERNEL);
if (!cf)
return -ENOMEM;

@@ -237,22 +237,25 @@ static int __init at91_cf_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, cf);

/* must be a GPIO; ergo must trigger on both edges */
- status = gpio_request(board->det_pin, "cf_det");
+ status = devm_gpio_request(&pdev->dev, board->det_pin, "cf_det");
if (status < 0)
- goto fail0;
- status = request_irq(gpio_to_irq(board->det_pin), at91_cf_irq, 0, "at91_cf detect", cf);
+ return status;
+
+ status = devm_request_irq(&pdev->dev, gpio_to_irq(board->det_pin),
+ at91_cf_irq, 0, "at91_cf detect", cf);
if (status < 0)
- goto fail00;
+ return status;
+
device_init_wakeup(&pdev->dev, 1);

- status = gpio_request(board->rst_pin, "cf_rst");
+ status = devm_gpio_request(&pdev->dev, board->rst_pin, "cf_rst");
if (status < 0)
goto fail0a;

if (gpio_is_valid(board->vcc_pin)) {
- status = gpio_request(board->vcc_pin, "cf_vcc");
+ status = devm_gpio_request(&pdev->dev, board->vcc_pin, "cf_vcc");
if (status < 0)
- goto fail0b;
+ goto fail0a;
}

/*
@@ -262,29 +265,30 @@ static int __init at91_cf_probe(struct platform_device *pdev)
* (Note: DK board doesn't wire the IRQ pin...)
*/
if (gpio_is_valid(board->irq_pin)) {
- status = gpio_request(board->irq_pin, "cf_irq");
+ status = devm_gpio_request(&pdev->dev, board->irq_pin, "cf_irq");
if (status < 0)
- goto fail0c;
- status = request_irq(gpio_to_irq(board->irq_pin), at91_cf_irq,
- IRQF_SHARED, "at91_cf", cf);
+ goto fail0a;
+
+ status = devm_request_irq(&pdev->dev, gpio_to_irq(board->irq_pin),
+ at91_cf_irq, IRQF_SHARED, "at91_cf", cf);
if (status < 0)
- goto fail0d;
+ goto fail0a;
cf->socket.pci_irq = gpio_to_irq(board->irq_pin);
} else
cf->socket.pci_irq = nr_irqs + 1;

/* pcmcia layer only remaps "real" memory not iospace */
- cf->socket.io_offset = (unsigned long)
- ioremap(cf->phys_baseaddr + CF_IO_PHYS, SZ_2K);
+ cf->socket.io_offset = (unsigned long) devm_ioremap(&pdev->dev,
+ cf->phys_baseaddr + CF_IO_PHYS, SZ_2K);
if (!cf->socket.io_offset) {
status = -ENXIO;
- goto fail1;
+ goto fail0a;
}

/* reserve chip-select regions */
- if (!request_mem_region(io->start, resource_size(io), "at91_cf")) {
+ if (!devm_request_mem_region(&pdev->dev, io->start, resource_size(io), "at91_cf")) {
status = -ENXIO;
- goto fail1;
+ goto fail0a;
}

dev_info(&pdev->dev, "irqs det #%d, io #%d\n",
@@ -301,55 +305,22 @@ static int __init at91_cf_probe(struct platform_device *pdev)

status = pcmcia_register_socket(&cf->socket);
if (status < 0)
- goto fail2;
+ goto fail0a;

return 0;

-fail2:
- release_mem_region(io->start, resource_size(io));
-fail1:
- if (cf->socket.io_offset)
- iounmap((void __iomem *) cf->socket.io_offset);
- if (gpio_is_valid(board->irq_pin)) {
- free_irq(gpio_to_irq(board->irq_pin), cf);
-fail0d:
- gpio_free(board->irq_pin);
- }
-fail0c:
- if (gpio_is_valid(board->vcc_pin))
- gpio_free(board->vcc_pin);
-fail0b:
- gpio_free(board->rst_pin);
fail0a:
device_init_wakeup(&pdev->dev, 0);
- free_irq(gpio_to_irq(board->det_pin), cf);
-fail00:
- gpio_free(board->det_pin);
-fail0:
- kfree(cf);
return status;
}

static int __exit at91_cf_remove(struct platform_device *pdev)
{
struct at91_cf_socket *cf = platform_get_drvdata(pdev);
- struct at91_cf_data *board = cf->board;
- struct resource *io = cf->socket.io[0].res;

pcmcia_unregister_socket(&cf->socket);
- release_mem_region(io->start, resource_size(io));
- iounmap((void __iomem *) cf->socket.io_offset);
- if (gpio_is_valid(board->irq_pin)) {
- free_irq(gpio_to_irq(board->irq_pin), cf);
- gpio_free(board->irq_pin);
- }
- if (gpio_is_valid(board->vcc_pin))
- gpio_free(board->vcc_pin);
- gpio_free(board->rst_pin);
device_init_wakeup(&pdev->dev, 0);
- free_irq(gpio_to_irq(board->det_pin), cf);
- gpio_free(board->det_pin);
- kfree(cf);
+
return 0;
}

--
1.8.2.2


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