diff options
| author | Guenter Roeck <linux@roeck-us.net> | 2017-12-24 13:04:08 -0800 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2018-01-21 12:56:35 +0100 |
| commit | 16e7730bd7ec7f4ec19628e5ddd172df28cf996d (patch) | |
| tree | 0b60573f6f73e51f885fed8ba674f7c84890fb0c /drivers/watchdog/sp5100_tco.c | |
| parent | f541c09ebfc61697b586b38c9ebaf4b70defb278 (diff) | |
watchdog: sp5100_tco: Use request_muxed_region where possible
Use request_muxed_region for multiplexed IO memory regions.
Also, SP5100_IO_PM_INDEX_REG/SP5100_IO_PM_DATA_REG are only
used during initialization; it is unnecessary to keep the
address range reserved.
Cc: Zoltán Böszörményi <zboszor@pr.hu>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog/sp5100_tco.c')
| -rw-r--r-- | drivers/watchdog/sp5100_tco.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/watchdog/sp5100_tco.c b/drivers/watchdog/sp5100_tco.c index 05f9d27a306a..11109ac959e2 100644 --- a/drivers/watchdog/sp5100_tco.c +++ b/drivers/watchdog/sp5100_tco.c @@ -379,8 +379,8 @@ static unsigned char sp5100_tco_setupdevice(void) } /* Request the IO ports used by this driver */ - if (!request_region(SP5100_IO_PM_INDEX_REG, SP5100_PM_IOPORTS_SIZE, - dev_name)) { + if (!request_muxed_region(SP5100_IO_PM_INDEX_REG, + SP5100_PM_IOPORTS_SIZE, dev_name)) { pr_err("I/O address 0x%04x already in use\n", SP5100_IO_PM_INDEX_REG); goto exit; @@ -468,6 +468,7 @@ setup_wdt: */ tco_timer_stop(); + release_region(SP5100_IO_PM_INDEX_REG, SP5100_PM_IOPORTS_SIZE); /* Done */ return 1; @@ -521,7 +522,6 @@ static int sp5100_tco_init(struct platform_device *dev) exit: iounmap(tcobase); release_mem_region(tcobase_phys, SP5100_WDT_MEM_MAP_SIZE); - release_region(SP5100_IO_PM_INDEX_REG, SP5100_PM_IOPORTS_SIZE); return ret; } @@ -535,7 +535,6 @@ static void sp5100_tco_cleanup(void) misc_deregister(&sp5100_tco_miscdev); iounmap(tcobase); release_mem_region(tcobase_phys, SP5100_WDT_MEM_MAP_SIZE); - release_region(SP5100_IO_PM_INDEX_REG, SP5100_PM_IOPORTS_SIZE); } static int sp5100_tco_remove(struct platform_device *dev) |