• Jon Hunter's avatar
    mfd: twl-core: Fix kernel panic on boot · 1765dbcc
    Jon Hunter authored
    Commit 8a6aaa3 (mfd: twl-core: Collect global variables behind one
    private structure (global)) removed the variable "inuse" that is used
    to determine if the device has been initialised and now use the
    twl_priv structure instead. This is causing the kernel to panic on
    OMAP3+ devices using the twl driver, because we try to access the
    twl_priv->ready member before checking if twl_priv is initialised. Fix
    this and move this test to the beginning of the twl_i2c_read/write
    function because twl_get_last_module() also uses the twl_priv structure.
    Signed-off-by: default avatarJon Hunter <jon-hunter@ti.com>
    Acked-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
    Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
twl-core.c 33.2 KB