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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-24 17:06:51 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-24 17:06:51 -0700 |
commit | d9fbd9a2cd5ac1b286a7d7cdb1a180ce1edaee2f (patch) | |
tree | c9a0859a8da4bdbf0df37507979a6f4cd94ebc8f /drivers/net | |
parent | f25f60beea574d7cff65680694a909e58c5c81c1 (diff) | |
parent | baea7b946f00a291b166ccae7fcfed6c01530cc6 (diff) | |
download | linux-d9fbd9a2cd5ac1b286a7d7cdb1a180ce1edaee2f.tar.bz2 |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (103 commits)
ARM: 5719/1: [AT91] Fix AC97 breakage
ARM: 5721/1: MMCI enable the use of a regulator
ARM: 5720/1: Move MMCI header to amba include dir
ARM: 5718/1: Sane busids for RealView board components
ARM: 5715/1: Make kprobes unregistration SMP safe
ARM: 5711/1: locomo.c: CodingStyle cleanups
ARM: 5710/1: at91: add AC97 support to at91sam9rl and at91sam9rlek board
ARM: 5709/1: at91: add AC97 support to at91sam9g45 series and at91sam9m10g45ek board
ARM: 5621/1: at91/dmaengine: integration of at_hdmac driver in at91sam9g45 series
ARM: 5620/1: at91/dmaengine: integration of at_hdmac driver in at91sam9rl
ARM: Add support for checking access permissions on prefetch aborts
ARM: Separate out access error checking
ARM: Ensure correct might_sleep() check in pagefault path
ARM: Update page fault handling for new OOM techniques
ARM: Provide definitions and helpers for decoding the FSR register
ARM: 5712/1: SA1100: initialise spinlock in DMA code
ARM: s3c: fix check of index into s3c_gpios[]
ARM: spitz: fix touchscreen max presure
ARM: STMP3xxx: deallocation with negative index of descriptors[]
Thumb-2: Correctly handle undefined instructions in the kernel
...
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/irda/pxaficp_ir.c | 47 |
1 files changed, 41 insertions, 6 deletions
diff --git a/drivers/net/irda/pxaficp_ir.c b/drivers/net/irda/pxaficp_ir.c index 1445e5865196..84db145d2b59 100644 --- a/drivers/net/irda/pxaficp_ir.c +++ b/drivers/net/irda/pxaficp_ir.c @@ -17,6 +17,7 @@ #include <linux/etherdevice.h> #include <linux/platform_device.h> #include <linux/clk.h> +#include <linux/gpio.h> #include <net/irda/irda.h> #include <net/irda/irmod.h> @@ -163,6 +164,22 @@ inline static void pxa_irda_fir_dma_tx_start(struct pxa_irda *si) } /* + * Set the IrDA communications mode. + */ +static void pxa_irda_set_mode(struct pxa_irda *si, int mode) +{ + if (si->pdata->transceiver_mode) + si->pdata->transceiver_mode(si->dev, mode); + else { + if (gpio_is_valid(si->pdata->gpio_pwdown)) + gpio_set_value(si->pdata->gpio_pwdown, + !(mode & IR_OFF) ^ + !si->pdata->gpio_pwdown_inverted); + pxa2xx_transceiver_mode(si->dev, mode); + } +} + +/* * Set the IrDA communications speed. */ static int pxa_irda_set_speed(struct pxa_irda *si, int speed) @@ -188,7 +205,7 @@ static int pxa_irda_set_speed(struct pxa_irda *si, int speed) pxa_irda_disable_clk(si); /* set board transceiver to SIR mode */ - si->pdata->transceiver_mode(si->dev, IR_SIRMODE); + pxa_irda_set_mode(si, IR_SIRMODE); /* enable the STUART clock */ pxa_irda_enable_sirclk(si); @@ -222,7 +239,7 @@ static int pxa_irda_set_speed(struct pxa_irda *si, int speed) ICCR0 = 0; /* set board transceiver to FIR mode */ - si->pdata->transceiver_mode(si->dev, IR_FIRMODE); + pxa_irda_set_mode(si, IR_FIRMODE); /* enable the FICP clock */ pxa_irda_enable_firclk(si); @@ -641,7 +658,7 @@ static void pxa_irda_shutdown(struct pxa_irda *si) local_irq_restore(flags); /* power off board transceiver */ - si->pdata->transceiver_mode(si->dev, IR_OFF); + pxa_irda_set_mode(si, IR_OFF); printk(KERN_DEBUG "pxa_ir: irda shutdown\n"); } @@ -849,10 +866,26 @@ static int pxa_irda_probe(struct platform_device *pdev) if (err) goto err_mem_5; - if (si->pdata->startup) + if (gpio_is_valid(si->pdata->gpio_pwdown)) { + err = gpio_request(si->pdata->gpio_pwdown, "IrDA switch"); + if (err) + goto err_startup; + err = gpio_direction_output(si->pdata->gpio_pwdown, + !si->pdata->gpio_pwdown_inverted); + if (err) { + gpio_free(si->pdata->gpio_pwdown); + goto err_startup; + } + } + + if (si->pdata->startup) { err = si->pdata->startup(si->dev); - if (err) - goto err_startup; + if (err) + goto err_startup; + } + + if (gpio_is_valid(si->pdata->gpio_pwdown) && si->pdata->startup) + dev_warn(si->dev, "gpio_pwdown and startup() both defined!\n"); dev->netdev_ops = &pxa_irda_netdev_ops; @@ -903,6 +936,8 @@ static int pxa_irda_remove(struct platform_device *_dev) if (dev) { struct pxa_irda *si = netdev_priv(dev); unregister_netdev(dev); + if (gpio_is_valid(si->pdata->gpio_pwdown)) + gpio_free(si->pdata->gpio_pwdown); if (si->pdata->shutdown) si->pdata->shutdown(si->dev); kfree(si->tx_buff.head); |