diff options
| author | H. Peter Anvin <hpa@linux.intel.com> | 2014-02-07 11:27:30 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2014-02-07 11:27:30 -0800 |
| commit | a3b072cd180c12e8fe0ece9487b9065808327640 (patch) | |
| tree | 62b982041be84748852d77cdf6ca5639ef40858f /drivers/media/rc/st_rc.c | |
| parent | 75a1ba5b2c529db60ca49626bcaf0bddf4548438 (diff) | |
| parent | 081cd62a010f97b5bc1d2b0cd123c5abc692b68a (diff) | |
Merge tag 'efi-urgent' into x86/urgent
* Avoid WARN_ON() when mapping BGRT on Baytrail (EFI 32-bit).
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'drivers/media/rc/st_rc.c')
| -rw-r--r-- | drivers/media/rc/st_rc.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/media/rc/st_rc.c b/drivers/media/rc/st_rc.c index 65120c2d47a..8f0cddb9e8f 100644 --- a/drivers/media/rc/st_rc.c +++ b/drivers/media/rc/st_rc.c @@ -13,6 +13,7 @@ #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> +#include <linux/reset.h> #include <media/rc-core.h> #include <linux/pinctrl/consumer.h> @@ -28,6 +29,7 @@ struct st_rc_device { int sample_mult; int sample_div; bool rxuhfmode; + struct reset_control *rstc; }; /* Registers */ @@ -161,6 +163,10 @@ static void st_rc_hardware_init(struct st_rc_device *dev) unsigned int rx_max_symbol_per = MAX_SYMB_TIME; unsigned int rx_sampling_freq_div; + /* Enable the IP */ + if (dev->rstc) + reset_control_deassert(dev->rstc); + clk_prepare_enable(dev->sys_clock); baseclock = clk_get_rate(dev->sys_clock); @@ -271,6 +277,11 @@ static int st_rc_probe(struct platform_device *pdev) else rc_dev->rx_base = rc_dev->base; + + rc_dev->rstc = reset_control_get(dev, NULL); + if (IS_ERR(rc_dev->rstc)) + rc_dev->rstc = NULL; + rc_dev->dev = dev; platform_set_drvdata(pdev, rc_dev); st_rc_hardware_init(rc_dev); @@ -338,6 +349,8 @@ static int st_rc_suspend(struct device *dev) writel(0x00, rc_dev->rx_base + IRB_RX_EN); writel(0x00, rc_dev->rx_base + IRB_RX_INT_EN); clk_disable_unprepare(rc_dev->sys_clock); + if (rc_dev->rstc) + reset_control_assert(rc_dev->rstc); } return 0; |