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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-10-05 16:36:26 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-10-05 16:36:26 +0400 |
| commit | bd0d10498826ed150da5e4c45baf8b9c7088fb71 (patch) | |
| tree | cdee4371121a355d627a655c4eef5c0047b0462a /drivers/mfd/wm831x-otp.c | |
| parent | 89de0f2cda8b784e51ebd6655fff7339e4ac552b (diff) | |
| parent | 2425bb3d4016ed95ce83a90b53bd92c7f31091e4 (diff) | |
| download | linux-bd0d10498826ed150da5e4c45baf8b9c7088fb71.tar.xz | |
Merge branch 'staging/for_v3.7' into v4l_for_linus
* staging/for_v3.7: (2891 commits)
em28xx: regression fix: use DRX-K sync firmware requests on em28xx
drxk: allow loading firmware synchrousnously
em28xx: Make all em28xx extensions to be initialized asynchronously
[media] tda18271: properly report read errors in tda18271_get_id
[media] tda18271: delay IR & RF calibration until init() if delay_cal is set
[media] MAINTAINERS: add Michael Krufky as tda827x maintainer
[media] MAINTAINERS: add Michael Krufky as tda8290 maintainer
[media] MAINTAINERS: add Michael Krufky as cxusb maintainer
[media] MAINTAINERS: add Michael Krufky as lg2160 maintainer
[media] MAINTAINERS: add Michael Krufky as lgdt3305 maintainer
[media] MAINTAINERS: add Michael Krufky as mxl111sf maintainer
[media] MAINTAINERS: add Michael Krufky as mxl5007t maintainer
[media] MAINTAINERS: add Michael Krufky as tda18271 maintainer
[media] s5p-tv: Report only multi-plane capabilities in vidioc_querycap
[media] s5p-mfc: Fix misplaced return statement in s5p_mfc_suspend()
[media] exynos-gsc: Add missing static storage class specifiers
[media] exynos-gsc: Remove <linux/version.h> header file inclusion
[media] s5p-fimc: Fix incorrect condition in fimc_lite_reqbufs()
[media] s5p-tv: Fix potential NULL pointer dereference error
[media] s5k6aa: Fix possible NULL pointer dereference
...
Conflicts:
drivers/media/platform/s5p-fimc/fimc-capture.c
drivers/media/platform/s5p-fimc/fimc-lite.c
Diffstat (limited to 'drivers/mfd/wm831x-otp.c')
| -rw-r--r-- | drivers/mfd/wm831x-otp.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/mfd/wm831x-otp.c b/drivers/mfd/wm831x-otp.c index f742745ff354..b90f3e06b6c9 100644 --- a/drivers/mfd/wm831x-otp.c +++ b/drivers/mfd/wm831x-otp.c @@ -18,6 +18,7 @@ #include <linux/bcd.h> #include <linux/delay.h> #include <linux/mfd/core.h> +#include <linux/random.h> #include <linux/mfd/wm831x/core.h> #include <linux/mfd/wm831x/otp.h> @@ -66,6 +67,7 @@ static DEVICE_ATTR(unique_id, 0444, wm831x_unique_id_show, NULL); int wm831x_otp_init(struct wm831x *wm831x) { + char uuid[WM831X_UNIQUE_ID_LEN]; int ret; ret = device_create_file(wm831x->dev, &dev_attr_unique_id); @@ -73,6 +75,12 @@ int wm831x_otp_init(struct wm831x *wm831x) dev_err(wm831x->dev, "Unique ID attribute not created: %d\n", ret); + ret = wm831x_unique_id_read(wm831x, uuid); + if (ret == 0) + add_device_randomness(uuid, sizeof(uuid)); + else + dev_err(wm831x->dev, "Failed to read UUID: %d\n", ret); + return ret; } |