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    SubjectRe: [PATCH 2/3] hwmon: Driver for OMAP3 temperature sensor
    On Fri 2014-12-26 13:34:53, Sebastian Reichel wrote:
    > OMAP34xx and OMAP36xx processors contain a register in the syscon area,
    > which can be used to determine the SoCs temperature. This patch provides
    > a DT based driver for the temperature sensor based on an older driver
    > written by Peter De Schrijver for the Nokia N900 and N9.
    >
    > Signed-off-by: Sebastian Reichel <sre@kernel.org>
    > ---
    > drivers/hwmon/Kconfig | 8 ++
    > drivers/hwmon/Makefile | 1 +
    > drivers/hwmon/omap3-temp.c | 307 +++++++++++++++++++++++++++++++++++++++++++++
    > 3 files changed, 316 insertions(+)
    > create mode 100644 drivers/hwmon/omap3-temp.c

    When it hangs, it loops here:

    do {
    regmap_read(data->syscon, SYSCON_TEMP_REG,&temp_sensor_reg);
    if ((temp_sensor_reg & eocz_mask) == level)
    return true;
    printk("=");
    }
    while (ktime_us_delta(expire, ktime_get()) > 0);

    Pavel
    --
    (english) http://www.livejournal.com/~pavelmachek
    (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


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