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Subject: [media] staging: lirc: Introduce the use of managed interfaces Author: Himangi Saraogi <[email protected]> Date: Thu Jul 3 16:38:40 2014 -0300 This patch introduces the use of managed interfaces like devm_request_mem_region and devm_request_irq and does away with the calls to free the allocated memory in the probe and remove functions. The remove function is no longer required and is removed completely. Signed-off-by: Himangi Saraogi <[email protected]> Acked-by: Julia Lawall <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/staging/media/lirc/lirc_serial.c | 37 +++++------------------------ 1 files changed, 7 insertions(+), 30 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=56a65a1eb0151c60f4fd059e8e47cb4c98fec871 diff --git a/drivers/staging/media/lirc/lirc_serial.c b/drivers/staging/media/lirc/lirc_serial.c index efe561c..bae0d46 100644 --- a/drivers/staging/media/lirc/lirc_serial.c +++ b/drivers/staging/media/lirc/lirc_serial.c @@ -782,7 +782,7 @@ static int lirc_serial_probe(struct platform_device *dev) { int i, nlow, nhigh, result; - result = request_irq(irq, lirc_irq_handler, + result = devm_request_irq(&dev->dev, irq, lirc_irq_handler, (share_irq ? IRQF_SHARED : 0), LIRC_DRIVER_NAME, (void *)&hardware); if (result < 0) { @@ -800,22 +800,22 @@ static int lirc_serial_probe(struct platform_device *dev) * for the NSLU2 it's done in boot code. */ if (((iommap != 0) - && (request_mem_region(iommap, 8 << ioshift, - LIRC_DRIVER_NAME) == NULL)) + && (devm_request_mem_region(&dev->dev, iommap, 8 << ioshift, + LIRC_DRIVER_NAME) == NULL)) || ((iommap == 0) - && (request_region(io, 8, LIRC_DRIVER_NAME) == NULL))) { + && (devm_request_region(&dev->dev, io, 8, + LIRC_DRIVER_NAME) == NULL))) { dev_err(&dev->dev, "port %04x already in use\n", io); dev_warn(&dev->dev, "use 'setserial /dev/ttySX uart none'\n"); dev_warn(&dev->dev, "or compile the serial port driver as module and\n"); dev_warn(&dev->dev, "make sure this module is loaded first\n"); - result = -EBUSY; - goto exit_free_irq; + return -EBUSY; } result = hardware_init_port(); if (result < 0) - goto exit_release_region; + return result; /* Initialize pulse/space widths */ init_timing_params(duty_cycle, freq); @@ -847,28 +847,6 @@ static int lirc_serial_probe(struct platform_device *dev) dprintk("Interrupt %d, port %04x obtained\n", irq, io); return 0; - -exit_release_region: - if (iommap != 0) - release_mem_region(iommap, 8 << ioshift); - else - release_region(io, 8); -exit_free_irq: - free_irq(irq, (void *)&hardware); - - return result; -} - -static int lirc_serial_remove(struct platform_device *dev) -{ - free_irq(irq, (void *)&hardware); - - if (iommap != 0) - release_mem_region(iommap, 8 << ioshift); - else - release_region(io, 8); - - return 0; } static int set_use_inc(void *data) @@ -1081,7 +1059,6 @@ static int lirc_serial_resume(struct platform_device *dev) static struct platform_driver lirc_serial_driver = { .probe = lirc_serial_probe, - .remove = lirc_serial_remove, .suspend = lirc_serial_suspend, .resume = lirc_serial_resume, .driver = { _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
