diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-12-12 11:06:13 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-12-12 11:06:13 -0800 |
commit | 846f29a6afb5f272ee1c8b2a57c5730ab31eabaa (patch) | |
tree | 5c0028e45bccaf4af65e9996faf59964e5914593 /drivers/media/platform/marvell-ccic/mmp-driver.c | |
parent | 86b581f6f18e5cfe420e94ce72e8a44d05cc23b1 (diff) | |
parent | 64c832a4f79542809d6c10b8ec6225ff8b76092e (diff) |
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"A dvb core deadlock fix, a couple videobuf2 fixes an a series of media
driver fixes"
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (30 commits)
[media] videobuf2-dma-sg: fix possible memory leak
[media] vb2: regression fix: always set length field.
[media] mt9p031: Include linux/of.h header
[media] rtl2830: add parent for I2C adapter
[media] media: marvell-ccic: use devm to release clk
[media] ths7303: Declare as static a private function
[media] em28xx-video: Swap release order to avoid lock nesting
[media] usbtv: Add support for PAL video source
[media] media_tree: Fix spelling errors
[media] videobuf2: Add support for file access mode flags for DMABUF exporting
[media] radio-shark2: Mark shark_resume_leds() inline to kill compiler warning
[media] radio-shark: Mark shark_resume_leds() inline to kill compiler warning
[media] af9035: unlock on error in af9035_i2c_master_xfer()
[media] af9033: fix broken I2C
[media] v4l: omap3isp: Don't check for missing get_fmt op on remote subdev
[media] af9035: fix broken I2C and USB I/O
[media] wm8775: fix broken audio routing
[media] marvell-ccic: drop resource free in driver remove
[media] tef6862/radio-tea5764: actually assign clamp result
[media] cx231xx: use after free on error path in probe
...
Diffstat (limited to 'drivers/media/platform/marvell-ccic/mmp-driver.c')
-rw-r--r-- | drivers/media/platform/marvell-ccic/mmp-driver.c | 46 |
1 files changed, 8 insertions, 38 deletions
diff --git a/drivers/media/platform/marvell-ccic/mmp-driver.c b/drivers/media/platform/marvell-ccic/mmp-driver.c index 3458fa0e2fd5..054507f16734 100644 --- a/drivers/media/platform/marvell-ccic/mmp-driver.c +++ b/drivers/media/platform/marvell-ccic/mmp-driver.c @@ -142,12 +142,6 @@ static int mmpcam_power_up(struct mcam_camera *mcam) struct mmp_camera *cam = mcam_to_cam(mcam); struct mmp_camera_platform_data *pdata; - if (mcam->bus_type == V4L2_MBUS_CSI2) { - cam->mipi_clk = devm_clk_get(mcam->dev, "mipi"); - if ((IS_ERR(cam->mipi_clk) && mcam->dphy[2] == 0)) - return PTR_ERR(cam->mipi_clk); - } - /* * Turn on power and clocks to the controller. */ @@ -186,12 +180,6 @@ static void mmpcam_power_down(struct mcam_camera *mcam) gpio_set_value(pdata->sensor_power_gpio, 0); gpio_set_value(pdata->sensor_reset_gpio, 0); - if (mcam->bus_type == V4L2_MBUS_CSI2 && !IS_ERR(cam->mipi_clk)) { - if (cam->mipi_clk) - devm_clk_put(mcam->dev, cam->mipi_clk); - cam->mipi_clk = NULL; - } - mcam_clk_disable(mcam); } @@ -292,8 +280,9 @@ void mmpcam_calc_dphy(struct mcam_camera *mcam) return; /* get the escape clk, this is hard coded */ + clk_prepare_enable(cam->mipi_clk); tx_clk_esc = (clk_get_rate(cam->mipi_clk) / 1000000) / 12; - + clk_disable_unprepare(cam->mipi_clk); /* * dphy[2] - CSI2_DPHY6: * bit 0 ~ bit 7: CK Term Enable @@ -325,19 +314,6 @@ static irqreturn_t mmpcam_irq(int irq, void *data) return IRQ_RETVAL(handled); } -static void mcam_deinit_clk(struct mcam_camera *mcam) -{ - unsigned int i; - - for (i = 0; i < NR_MCAM_CLK; i++) { - if (!IS_ERR(mcam->clk[i])) { - if (mcam->clk[i]) - devm_clk_put(mcam->dev, mcam->clk[i]); - } - mcam->clk[i] = NULL; - } -} - static void mcam_init_clk(struct mcam_camera *mcam) { unsigned int i; @@ -371,7 +347,6 @@ static int mmpcam_probe(struct platform_device *pdev) if (cam == NULL) return -ENOMEM; cam->pdev = pdev; - cam->mipi_clk = NULL; INIT_LIST_HEAD(&cam->devlist); mcam = &cam->mcam; @@ -387,6 +362,11 @@ static int mmpcam_probe(struct platform_device *pdev) mcam->mclk_div = pdata->mclk_div; mcam->bus_type = pdata->bus_type; mcam->dphy = pdata->dphy; + if (mcam->bus_type == V4L2_MBUS_CSI2) { + cam->mipi_clk = devm_clk_get(mcam->dev, "mipi"); + if ((IS_ERR(cam->mipi_clk) && mcam->dphy[2] == 0)) + return PTR_ERR(cam->mipi_clk); + } mcam->mipi_enabled = false; mcam->lane = pdata->lane; mcam->chip_id = MCAM_ARMADA610; @@ -444,7 +424,7 @@ static int mmpcam_probe(struct platform_device *pdev) */ ret = mmpcam_power_up(mcam); if (ret) - goto out_deinit_clk; + return ret; ret = mccic_register(mcam); if (ret) goto out_power_down; @@ -469,8 +449,6 @@ out_unregister: mccic_shutdown(mcam); out_power_down: mmpcam_power_down(mcam); -out_deinit_clk: - mcam_deinit_clk(mcam); return ret; } @@ -478,18 +456,10 @@ out_deinit_clk: static int mmpcam_remove(struct mmp_camera *cam) { struct mcam_camera *mcam = &cam->mcam; - struct mmp_camera_platform_data *pdata; mmpcam_remove_device(cam); mccic_shutdown(mcam); mmpcam_power_down(mcam); - pdata = cam->pdev->dev.platform_data; - gpio_free(pdata->sensor_reset_gpio); - gpio_free(pdata->sensor_power_gpio); - mcam_deinit_clk(mcam); - iounmap(cam->power_regs); - iounmap(mcam->regs); - kfree(cam); return 0; } |